Cofko LLC. BC-8000 User manual

BC-8000
BATTERY CAPACITY and DISCHARGE TESTER
BATTERY CHARGER and DC POWER SUPPLY
Operations Manual
COFKO ELECTRONICS LLC.
COPYRIGHT © 2020
P/N 4168-20

1
Unpacking
As you unpack your new BC-8000, inspect the BC-8000 for signs of shipping damage. If shipping damage is present, stop
and contact the shipping company for damage claims information. The BC-8000 box should contain the following items:
One (1) each-Part no. 4168, BC-8000 Battery Capacity/Discharge Tester/Battery Charger/DC Power Supply
One (1) each-Part no. 4161-10, AC Power Cord Assembly (IEC60320 C19 to NEMA 5-15P) 1
One (1) each-Part no. 4168-20, BC-8000 Operations Manual
One (1) each-Part no. 4161-30, BC Report Application (Media Type -USB Flash Drive)
One (1) each-Part no. 4161-40, USB Cable
One (1) each-Part no. 4161-50, DC Output Cord
One (1) each-Part no. 4161-60, Battery Adaptor Cable with 5/16 (7.9mm) Ring Terminal connectors
One (1) each-Part no. 4161-70, Battery Adaptor Cable, Quick Disconnect Assembly 2
1 Note: Removing the AC cord NEMA 5-15P plug to reconfigure to local plug style will not void BC-8000 warranty. All
AC cord plug modifications must be performed by a qualified electrician and meet BC-8000 AC input specifications.
2 Note: 4161-70 Assembly consist of Part no. 4161-60 and MS3349-2 connector.
IMPORTANT: Save the shipping box and packaging material. They should be used to repack the tester if it needs to be
shipped back for warranty or service.
P/N 4168 P/N 4161-10 P/N 4161-20 P/N 4161-30 P/N 4161-40
P/N 4161-50 P/N 4161-60 P/N 4161-70

2
Introduction
Congratulations and thank you for purchasing your BC-8000 battery capacity tester and charger. The BC-8000 has been
designed to provide the operator with accurate battery testing and charging with ease of operation.
BC-8000 Features:
 Universal AC power input 100~264 VAC 1PH (47 to 63Hz)
 4 Line LCD display.
 Over temperature protection.
 Audio warning when capacity test is complete or malfunction of the unit.
 USB 2.0 port for PC connection.
 O.S. Win 10 compatible BC Report software for test data hardcopy print out.
 Real time internal clock with battery backup.
 1-year warranty.
 CE Approval EN61326-1:2012 EN55011 Class A Group; IEC 61010-1/EN61010-1
BC-8000 Capacity Tester:
 12 and 24-volt battery C1 capacity testing.
 Adjustable constant current load in 0.1-Ampere increments from 0.5 to 55 Amperes.
 Adjustable End Point Voltage (EPV).
 BC Report application will download, save, and print capacity test data from the BC-8000.
BC-8000 Discharge Tester:
 Adjustable constant current load in 0.1-Ampere increments from 0.5 to 55 Amperes.
 10mv voltage resolution.
 Discharge down to 0.1V
 Discharge times from 1 minute to 999 hours.
 BC Report application will download, save, and print discharge test data from the BC-8000.
BC-8000 Charger:
 Adjustable output voltage from 3.0 to 40.0 volts DC.
 Adjustable output amperes from 0.05 to 25 amps DC. Note: (Maximum charge current reduced to 22.0Adc from
36.1Vdc to 40Vdc).
 Constant voltage or constant current charge.
 Adjustable charge time from 1 to 999 minutes.
 Single or two step charge routine.
 10mv voltage resolution.
BC-8000 DC Power Supply:
 Adjustable output voltage from 6.0 to 40.0 volts DC.
 Adjustable output amperage from 3.0 to 25 amps DC. (Maximum power supply output current reduced to
22.0Adc from 36.1Vdc to 40Vdc).
 Output short circuit current limit.
Before operating your new BC-8000, familiarize yourself with this instruction manual and the BC-8000.
For questions or product support:
Call: [phone] Mon.-Fri.8:00 A.M. to 5:00 P.M. PST or Email : [email protected]
Thank you,
COFKO Electronics LLC

3
Table of Contents Page
Unpacking 1
Introduction 2
Table of Contents 3
Revision History 4
Battery Handling and BC-8000 Operation Precautions 5,6
BC Report Application 6,7
BC Report Instillation 8
BC-8000 Operation 9
BC-8000 Configuration 9,10
Battery Charging 11,12
Deep Discharge Recovery (DDR) 12,13
DDR Charge Data Downloading 12,13
DC Power Supply Mode 13,14
Battery Discharge Testing 14,15
C1 Battery Testing 15,16
BC-8000 Report Printing 16
BC-8000 Care 17
BC-8000 Calibration 17
BC-8000 Specifications 17,18
BC-8000 Capacity Tester 18
BC-8000 Discharge Tester 18
BC-8000 Battery Charger 18
BC-8000 DC Power Supply 18
BC-8000 Limited Warranty 19
BC-8000 Notes 20

4
Revision History
Revision Effective Date Description of Change Approval by
A
11/11/2011
Initial I
ssu
e.
M.C.
B
10/23/2012
Increase Maximu
m Operation Altitude
to 6500’
page 16
.
M.C
B
10/23/2012
Change Description of Box Contents
page 2.
M.C.
C
04/05/2013
Minimum,
Maximu
m Charger Operation Temperature page
16
M.C.
D
12/22
/2013
Power Supply O
peration
page
10
G.K.
E
03/
12/2014
Expand Amperage Steps from 15 to 55A to 0.1A Steps
from
1A Steps, page 16.
G.K.
F
05/22/2014
CE Approval page 1
.
M.C.
G
08/03
/2014
Box
Content Part Number List page 1
.
CE Declaration of Conformity pages 21,22
Certification of Conformance page 23
M.C.
H
04/17/2015
BC Report C/D
changed to USB Flash Drive pages 6 and 7
M.C.
I
02/11/2016
Deep Discharge Recovery Mode added page 11.
M.C.
J
02/11/2016
Deep Discharge Recovery Data
Download
page 11.
M.C.
K
02/11/2016
BC
-
8000 Configuration added page
8.
M.C.
L
11/06/2017
Update Certificate of Conformance (Vendor Info.
Included
)
.
M.C.
M
01/11/2018
Update Box
Content List page 1. P/N 4161
-
10 AC Cord
M.C.
N
01/11/2018
Update Note 1
on page 1. Warranty and AC Cord plug
change.
M.C.
O
03/15/2020
Rev.
O
Release
M.C.
P
0
5
/
20
/2020
40
-
volt Charger and Power Supply Output
Firmware
Release v. 4.01
M.C.
Q
07/30/2020
Display “HOME” Button Addition and Firmware Release
v. 4.01 M.C.

5
Battery Handling and BC-8000 Precautions
Your new BC-8000 battery capacity tester/charger/power supply has been designed with operator safety as a function of
its design, construction, and operation. Understanding how to safely operate the BC-8000 is important. Failure to follow
the operation and safety guidelines when using the BC-8000 can result in personal injury to the operator and damage
to the BC-8000. Always review the battery manufacturer’s battery charging and capacity testing guidelines before
charging or testing batteries.
Look for this symbol to identify Safety and Danger precautions. Be Alert- Your safety is
involved! Personal injury or equipment damage can occur if guidelines are not followed.
PRECAUTIONS:
1. CAUTION: Aircraft batteries are certified to have a certain minimum capacity for emergency operations in the
event of an electrical generator system failure. Never “jump start” an aircraft that has a discharged or “dead”
battery.
2. WARNING: ELECTRIC SHOCK HAZARD. Do not touch un-insulated portions of the connector or the battery
terminals. A possibility of serious electrical shock exists. Do not lay tools or other metal objects on the battery as
arcing or explosion can occur. Remove conductive jewelry before working around battery, charger, or test
equipment.
3. CAUTION: ELECTRIC BURN HAZARD. Do not wear conductive rings, belt buckles, or other jewelry when working
with batteries, chargers, or test equipment. Do not lay tools or other metal objects on the battery as arcing and
severe burns could occur.
4. WARNING: Batteries on charge or discharge produce hydrogen gas, which can explode if ignited. Do not smoke,
use an open flame, or cause sparking near a battery. Charge, service or test a battery only in a well-ventilated
area. The use of exhaust fans may reduce the risk of explosion.
5. WARNING: Batteries contain sulfuric acid which will cause burns. DO NOT TOUCH EYES AFTER TOUCHING
BATTERY. Do not get acid in your eyes, or on your skin, or clothing. In the event of acid in the eyes, flush
thoroughly with clean cool water for several minutes. Get professional medical attention. Refer to battery MSDS
for additional information.
6. WARNING: Wear proper eye, face and hand protection always when working with batteries. Know the location
and use of emergency eyewash and shower nearest the battery charging area.
7. CAUTION: To prevent damage to the connector, arc burns, or explosion, batteries should never be connected or
disconnected while being charged or discharged. Batteries must be connected or disconnected only when the
circuit is open. Ensure the aircraft battery switch, external power source, or the charger/analyzer is in the “OFF”
position before connecting or disconnecting the battery. Battery terminal protectors should be installed
whenever the battery is not connected in the aircraft or to the test equipment.
8. CAUTION: Batteries contain hazardous materials. Know the location and proper use of emergency response
materials. Refer to battery Material Safety Data Sheet (MSDS) for additional information.
9. WARNING: Before charging or capacity testing a battery, always REMOVE the battery from the equipment.
REVIEW, UNDERSTAND, and FOLLOW all fire and safety codes for your location. Always REVIEW,
UNDERSTAND, and FOLLOW the battery manufacturer’s battery charging and testing guidelines. If the battery

6
is installed in equipment that is sensitive to over voltage conditions, (i.e. Aircraft) NEVER charge using a constant
current (CI) method. Only charge using a constant voltage (CV) method. There can be a serious risk of injury and
or damage to equipment (i.e. Aircraft) due to high voltage and generation of explosive gases when charging
constant current (CI).
10. DANGER: Never connect or disconnect BC-8000 main dc power connector with dc current applied. Connecting
or disconnecting the BC-8000 tester with charging or discharge current applied can cause a spark and possible
battery explosion.
11. DANGER: Never charge or capacity test batteries without first inspecting all battery wires and connections for
condition and tightness. Replace all defective wires and bad connections before charging or capacity testing
batteries. Defective wiring and bad connections can cause overheating during charging or capacity testing
batteries.
12. DANGER: never connect the BC-8000 to batteries with voltage or capacity currents outside the ratings of the
tester. The BC-8000 is designed for 12- and 24-volt batteries. Connecting the BC-8000 to a battery or batteries
with improper voltages can permanently damage the BC-8000 and endanger the operator. Any questions about
a battery or the BC-8000 ratings, please call [phone] or E-mail [email protected]
13. DANGER: never obstruct the BC-8000 air intake or hot air exhaust openings. Obstructing either opening can
cause the BC-8000 to overheat.
REMEMBER SAFETY FIRST!
BC Report Application
BC Report application provides a battery capacity test report using data generated from the BC-8000. BC Report
organizes the test result into a report that presents critical test data such as:
• Battery test date and time
• Battery Model Number
• Battery Serial Number
• BC-8000 serial number
• Battery voltage
• C1 test amps
• Test run time
• C1 percent
• C1 test Pass or Fail percent
• Battery test voltage graph
• Hard copy printing is available, and all capacity test’s results are stored on the host computer running BC
Report for future review. See Battery Capacity Test Report example below.

7

8
BC Report Instillation
NOTE: The BC Report application MUST be installed on the host computer used to connect to the BC-8000.
1. Plug the USB flash drive (4161-30) containing the BC Report files into the host computer USB port.
Start\Run\Flash drive letter:\setup.exe
2. The O.S. application Security Warning dialog box may prompt you about installing the BC Report. To continue
installing the BC Report, click on the INSTALL button. The instillation may take some time as O.S. installs all the
necessary software.
3. When prompted to install the Silicon Labs CP210x USB to UART bridge driver, click the INSTALL button to install
all needed drivers. (C:\Program Files\Silabs\MCU\CP210x\) Note: The CP210x drivers are on the BC Report USB
flash drive.
4. After the BC Report installation is complete, remove the BC Report USB flash drive from the host computer.
Restart the host computer.
5. The O.S. desktop should now contain the BC Report icon. Set the BC-8000 power switch to the ON position, and
then plug the USB cable (4161-40) supplied with the BC-8000 into a USB port of the host computer. Now plug
the remaining USB cable end into the USB port located on the right-side rear of the BC-8000. The computer may
respond with an audio sound confirming a USB port has been opened.
6. To run the BC Report, place the pointer device arrow on the BC Report icon and double click on the icon. This
will start the BC Report and open the BC Report window.
7. Place the pointing device arrow on the Connect button and click. Observe the dialog box in the lower left corner
of the BC Report window. When the connection between the host computer and the BC-8000 is successful, the
message Found It will appear. Battery test data can now be downloaded from the BC-8000 into BC Report.
8. Before updating the BC-8000 internal date and clock, check the host computers date and time. This is the date
and time that BC Report will use.
9. To set the BC-8000 Date & Time, place the computer pointing device pointer on the Set Date & Time button and
click. The status bar located in the lower left corner, will display a series of messages showing the
communications activity between the BC-8000 and the computer. The first message displayed is searching for
BC-8000. Second message is Setting Date and Time. And the final message will be done. With the date and time
set, the BC-8000 is now ready to test batteries and print test result reports.
10. If any difficulties are experienced with communications between the BC-8000 and the host computer, check
cable connections and review BC Report installation.

9
BC-8000 Operation
NOTE: Before capacity, discharging testing or charging a battery, review all procedures in the battery
manufacturer’s Component Maintenance Manual (CMM).
DANGER: Never attempt to connect the BC-8000 to a battery or device using anything but the proper
connector. Doing so can damage the BC-8000 or injure the operator.
CAUTION: Always check with your local fire safety codes and restrictions before testing or charging batteries.
BC-8000 Configuration
1. Place the BC-8000 on a stable surface and connect the AC power cord (4161-10) C19 female connector into C20
power entry module receptacle located in the rear of the BC-8000.
2. Plug the male end of the AC power cord into the AC power source.
3. Set the POWER switch to the ON position.
4. The BC-8000 LCD display will flash a message that contains the COFKO web site URL, machine model, and the
firmware version. The final message is the MODE? and located below is the current mode selected. See Figure 1.
HOME UP
NEXT/STOP DOWN
Fig.1
BC-8000 Display and Control Buttons
5. Pressing the UP or DOWN button, change the current mode selected to the CONFIGURE mode.
6. Press the NEXT button
WWW. COFKO.COM
BC-8000
V4.01-0102
INCREMENTS SUB-MENU
SELECTIONS OR INCREASES
ENTERED VALUE
S
RETURNS MENU TO
THE INITIAL START
POINT
DE-INCREMENTS SUB-MENU
SELECTIONS OR DECREASES
ENTERED VALUES
ADVANCES MENU TO
THE NEXT SELECTION
/ STARTS OR STOPS
PROGRAM RUNNING

10
7. The BC-8000 display will now display a message End Beep? Y. This option allows the disabling of the continuous
end of test beeping. To disable the beeper, press the NEXT button then press the UP or DOWN buttons to
change the default Y to N. To accept the change, press the NEXT button.
8. Press the UP button to change the CONFIGURE selection to CAPACITY %. This selection allows the operator to
change the minimum percentage of batteries C1 capacity that defines a capacity test failure.
9. Press the NEXT button to select the mode.
10. The default 85% is displayed. To change the percent value, push the UP or DOWN buttons to select a new value.
11. Press the NEXT button to enter in the new percent value (80%,85%, or 100%).
12. To exit the CONFIGURE mode, press the UP or DOWN button until the EXIT option is displayed.
13. Press the NEXT button to select the EXIT option.
14. The BC-8000 will beep twice signifying exit of the CONFIGURE mode.
15. Now press the UP or DOWN button to change the MODE? options.
NOTE The minimum percentage of battery capacity for the battery application is defined by the battery
manufacturer or the application governing body. The BC-8000 offers three minimum percentage of battery capacity
settings. The settings are 80%,85%, and 100%. If the battery capacity test results fall below the selected minimum
percentage, the capacity test results will be defined as a failure.
CAUTION Always review the battery manufacturer’s and the application’s governing bodies specifications
for minimum application battery capacity. These can be found in the battery manufacturer’s component maintenance
manual (CMM) or the governing bodies battery application specifications. Failure to follows these guidelines or rules can
lead to failure or damage to battery or the equipment powered by the battery.
DANGER: The BC-8000 battery charger is a fully adjustable battery charger. The BC-8000 will follow
the operator settings during the battery charge cycle! Always consult the battery manufacturer’s battery charging
guidelines before starting a charge cycle. If the battery being charged is subjected to improper settings, serious
damage or injury can occur to the operator, equipment, and the BC-8000. Critical settings such as maximum charge
voltage, maximum charge amperes, and charge time must follow the battery manufacturer’s guidelines. Always
remove the battery from the equipment before starting a charge cycle.
WARNING: Before using the BC-8000 to charge Lithium Ion batteries, please contact the Cofko
Electronics LLC support line for instructions. PH: 909-705-6267 Email: supp[email protected]

11
Battery Charging
1. Set the BC-8000 on a stable surface. Connect the AC power cord (4161-10) to the power source. Connect the
DC cord (4161-50) to the battery. Set the AC power switch to the ON position.
2. With MODE? CHARGE selected, press the NEXT button to advance the display menu.
3. Using the UP or DOWN buttons, select charge steps. The BC-8000 will charge the battery using a single step
or two step charge mode. Single step charging is typically used to charge lead-acid batteries and lithium ion
batteries using constant potential charging. Two step charging is used in constant current charging of nickel
cadmium batteries and conditioning charge procedures for lead acid AGM batteries. Press the NEXT button
to advance the display menu.
a. If single step was selected above, enter the battery recharge time using the UP or Down buttons to
increase or decrease charge time. Charge time is in minutes with 60 minutes equaling 1-hour charge
time. Always consult your battery manufacturer’s manual for proper charge time settings.
Tip: Holding down the UP or DOWN buttons will rapidly advance the number selection. Press the NEXT
button to advance the display menu.
b. The BC-8000 display will now ask for a CHARGE VOLTS? selection. Single step charging requires only one
charge voltage selection. Recharge voltage can be adjusted from 3.0 to 40.0 volts. Use the UP or DOWN
buttons to set the charge voltage. This voltage is the maximum voltage the BC-8000 will output to the
battery. Consult with the battery manufacturer for proper recharge voltage settings.
Note: The charge voltage selection must always be greater than the battery voltage.
Press the NEXT button to advance the display menu.
c. The BC-8000 will now ask for CHARGE AMPS? selection. The BC-8000 charge current can be adjusted
from 0.05 to 25 amperes with a charge voltage of 3.0 to 36Vdc. Maximum charge current is reduced to
22.0Adc with a charge voltage setting of 36.1 to 40.0Vdc. Consult the battery manufacturer’s recharge
guidelines for proper settings. Press the NEXT button to advance the display menu.
d. The BC-8000 will display the message START CHARGING? Press NEXT. Pressing the next button will start
the battery charging cycle. With the charger running the BC-8000 display will show all the entered
settings under the CHARGING heading on the left side of the display. The arrow displayed will point to
the setting that is active at that moment of the charge cycle. On the right side of the display all the
current charging readings are displayed under the ACTUAL heading. Upon completion of the charge
cycle the audio buzzer will beep signaling the charge is done.
Note: The charge cycle can be stopped at any time by pressing the NEXT button.
4. For two step charging, enter the first step charge time using the UP or DOWN buttons. The time can be
adjusted from 1 minute to 999 minutes. Press the NEXT button to advance the display menu.
a. The BC-8000 will display CHARGE Step 1 Volts? Use the UP or DOWN button to adjust the value from 3.0
to 40.0 volts. Press the NEXT button to advance the display menu.
b. Now enter the first step charge current setting using the UP or DOWN button. The charge current can
be adjusted from 0.05 to 25 amperes from 3.0-volts to 36-volts. From 36.1-volts to 40.0-volts charge
current is adjustable from 0.05 to 22.0 Adc. Press the NEXT button to advance the display menu.
c. The BC-8000 will display CHARGE Step 2 Time? Use the UP or DOWN button to adjust the charge time
value from 1 minute to 999 minutes. Press the NEXT button to advance the display menu.
d. The BC-8000 will display CHARGE Step 2 Voltage? Using the UP or DOWN buttons the step 2 voltage can
be adjusted from 3.0 to 36.0 volts. Press the NEXT button to advance the display menu.

12
e. Now enter the second step charge current setting using the UP or DOWN button. The charge current
can be adjusted from 0.05 to 25 amperes. Press the NEXT button to advance the display menu.
f. The BC-8000 will display the message START CHARGING? Press NEXT. Pressing the next button will start
the battery charging cycle. With the charger running the BC-8000 display will show all the entered
settings under the flashing CHARGING/Step 1 heading on the left side of the display. The arrow
displayed will point to the setting that is active at that moment of the charge cycle. On the right side of
the display all the current charging readings are displayed under the ACTUAL heading. Upon completion
of the charge cycle the BC-8000 will turn off the charge and turn on the audio beeper to signal the
charge cycle is done. Note: The charge cycle can be stopped at any time by pressing the NEXT/STOP
button.
AGM Battery Deep Discharge Recovery (D.D.R.) Mode
Never use Deep Discharge Recovery on Nickel Cadmium or Lithium Ion Batteries
Deep Discharge Recovery (D.D.R) mode is specifically for Concorde® sealed AGM lead acid batteries that have lost
capacity due to a possible sulfated condition. Severe sulfation can occur if the battery is accidently completely
discharged. D.D.R. mode provides the battery technician with a charge routine that attempts to reverse the sulfated
condition. The DDR charge routine utilizing three charge phases over a maximum 1440-minute (24-hours) time period.
 Phase one consist of a 4-hr constant current pre-charge. The maximum charge voltage is 36 volts for a 24-volt
battery and 18-volts for a 12-volt battery. The charge current is limited to 1/10th the batteries C1 Amp hour
rating. A C1 rated battery of 40-Ahr yields a constant current 4-amp charge rate.
 Phase two consist of an on-charge battery voltage assessment. After the 4-hour pre-charge is completed, the
DDR program will check the on-charge battery voltage. If the battery voltage rises to the prescribed set point:
24-volt battery = 31 volts. 12-volt battery = 15.5 volts phase three is started.
 Phase three will load the charger timer with 240 minutes (4-hours) and terminate the charge.
 Always consult your battery manufacturer’s component maintenance manual (CMM) before using the DDR
charge mode.
1. Set the BC-8000 on a stable surface.
2. Connect the AC power cord (4161-10) to the AC power source. Connect the DC cord (4161-50) to the BC-8000
and the battery.
3. Set the AC power switch to the ON position.
4. Press the UP or DOWN buttons to select the Mode? to DEEP DIS. RECOVER.
5. Press the NEXT button to select the DEEP DIS. RECOVER option.
6. Press the UP or DOWN buttons to select the battery voltage. 12 or 24 volts.
7. Press the NEXT button to enter the value.
8. Now select the C1 AMPS ? Use the UP or DOWN buttons to select the C1 Ahr battery rating. This value can be
found in the battery manufacturer’s model specifications.

13
9. Press the NEXT button to select the entered value.
10. Press the NEXT button to start the DEEP DIS. RECOVER mode.
11. To stop the DDR charge, routine press the NEXT button.
12. At the completion of the DDR charge, the BC-8000 LCD display will provide a summary of the charge results.
DDR Charge Data Downloading
During the DDR charge mode, the BC-8000 records data of the charge cycle. Battery voltage, charge current, and run
time are recorded. Upon completion of the DDR charge cycle, you can create a CSV file of the DDR data using BC
REPORT. This file can be imported into a spreadsheet and the data used to generate reports or graphs of the data.
1. To access the DDR charge data, connect the USB cable (4161-40) to an open USB port on a PC that has BC
REPORT installed. Set the BC-8000 AC power switch to the ON position.
2. Plug the USB cable into the BC-8000 USB port located in the rear of the machine.
3. Start BC REPORT by clicking on the program on the desktop icon.
4. Enter the battery serial number in the dialog box.
5. Using the mouse pointer click on the CONNECT dialog box.
6. Using the mouse pointer, activate the Create DDR CSV file by clicking on the small square box.
7. Click on the LOAD DATA dialog box.
8. Upon completion of the data download from the BC-8000, the DDR CSV file can be found on the PC at
location Local disk (C:) > Concorde > BC-8000 > DDR
9. To import DDR data into a spreadsheet, run the spreadsheet program and open the DDR CSV file.
DC Power Supply
Danger: Never leave the BC-8000 unattended while operating in the power supply mode.
The BC-8000 Power Supply Mode can be used to supply DC power to batteries that have built in battery chargers and or
isolation diodes. Consult the battery manufacturer for proper connections and voltage settings. Always use the correct
mating connectors. For any questions on setup or operation of the BC-8000 Power Supply contact: [email protected]
When the BC-8000 is operating in the power supply mode, the BC-8000 DC output cord gray connector will
have voltage on the output terminals regardless if connected to anything.
1. Place the BC-8000 on a stable surface and connect the AC power cord (4161-10) to AC power outlet. Connect
the DC output cord (4161-50) to the BC-8000 and the equipment to be powered.
Warning: If an extension cord is used to connect the BC-8000 to the AC power source, make sure the

14
cord is properly sized for the AC current draw. Long power cords of insufficient wire gauge size can cause
excessive voltage drops. Always consult your local electric codes for guidance in proper sizing of the
extension cord.
Danger: Never use an extension cord or power source that does not have a proper AC grounding
connection. Review your local AC power codes for proper grounding configurations.
2. Set the BC-8000 AC power switch to the ON position.
3. Using the UP or DOWN button, set the display to the PWR SUPPLY option. Then press NEXT.
4. Using the UP or DOWN button, adjust the output DC voltage to the proper level for the equipment being
powered. Press NEXT.
Warning: Always review the equipment manufacturer’s maximum input voltage level for safe operation.
Never exceed these settings.
5. Using the UP or DOWN button, set the maximum DC output amperage value. This setting should meet the
maximum DC amperage requirements for the equipment being powered. Then press NEXT.
Note: If the maximum DC amperage value entered is exceeded, the BC-8000 will enter a current limiting mode and
reduce the DC output voltage level to reduce the output current.
6. With the proper settings for DC output voltage and current entered, connect the BC-8000 DC output cord (4161-
50) using an appropriate cable adaptor to the equipment being powered. Press the NEXT button. This will turn
on the BC-8000 DC output.
7. To turn the BC-8000 DC output off, push the NEXT button.
Battery Discharge Testing
1. Set the BC-8000 on a stable surface. Connect the AC power cord (4161-10) to the AC power source. Connect the
DC cord (4161-50) to the battery. Set the AC power switch to the ON position.
2. With the BC-8000 displaying MODE? Press the UP or DOWN button to select DISCHARGE. Press the NEXT button
to advance the display menu.
3. With the BC-8000 now displaying DISCHARGE Volts? Select the battery voltage 12 or 24 using the UP or DOWN
buttons. Press the NEXT button to advance the display menu.
4. Now select the End Point Voltage (EPV) voltage. When the selected EPV voltage is reached, the BC-8000 will
terminate the discharge test. Press the NEXT button to advance the display menu.
5. The BC-8000 will display DISCHARGE MAX. AMPS? Press the UP or DOWN button to set the discharge current.
Press the NEXT button to advance the display menu.
6. Now enter the maximum discharge run time. Use the UP or DOWN buttons to select max discharge from 1
minute to 999 hours. The maximum run time value will be used to scale the time axis in the BC Report.
7. This is the time in hours the discharge test will run if the EPV voltage is not reached. Press the NEXT button to
advance the display menu.

15
8. With the BC-8000 displaying PRESS NEXT TO START, press the NEXT button to start the discharge test.
Note: The discharge test can be stopped at any time by pressing the NEXT button.
NOTE: If the cooling fan fails to start and no cooling air is felt at the rear of the tester, stop the discharge
by repressing the NEXT button. The BC-8000 must be serviced before operating again.
NOTE: If incorrect battery voltage is selected the BC-8000 display will inform the operator.
C1 Battery Testing
1. Set the BC-8000 on a stable surface. Connect the AC power cord (4161-10) to the power source. Connect the DC
cord (4161-50) to the battery. Set the AC power switch to the ON position.
2. Check the battery manufacturer’s component maintenance manual (CMM) for the minimum percent capacity
setting. The minimum percent battery capacity test settings are 80%, 85%, and 100% in the BC-8000. The setting
can be changed in the CONFIGURE menu. A capacity test that falls below the minimum percent selected will be
identified as a failed capacity test.
3. With MODE? Displayed on the BC-8000 display, select CAPACITY ? by pressing the UP or DOWN button. Press
the NEXT button to advance the display menu.
4. Now select the battery voltage 12 or 24 volts by pressing the UP or DOWN button. Press the NEXT button to
advance the display menu.
5. Push the NEXT button. Select the End Point Voltage (EPV) cutoff. The default EPV is 20 volts for 24V battery and
10 volts for a 12V battery. The BC-8000 allows for EPV adjustment from the default values. For a 24V battery the
EPV can be lowered to 18 volts. For 12-volt batteries the EPV can be lowered to 9 volts. Check with your battery
manufacturer for specified EPV points. Press the NEXT button to advance the display menu.
6. With CAPACITY C1 AMPS? Displayed, select the battery manufacturer’s C1 (one hour) battery discharge
amperage rate by pressing the UP or DOWN buttons. Press the NEXT button to advance the display menu.
7. The BC-8000 will display CAPACITY START TEST? To start the test, press the NEXT button again. If you wish to
stop the test before the End Point Voltage (EPV) is reached, press the NEXT button and the BC-8000 will stop
testing. If testing is stopped before EPV is reached the battery must be recharged following the battery
manufacturer’s recharge procedures before retesting.
8. After pressing the NEXT button to start the test, the BC-8000 cooling fan motor will start and the LCD display
will show the C1% reading, battery voltage, flash Testing / EPV voltage setting, and test amperage. Note: While
the BC-8000 is testing or at the conclusion of the test, pressing the UP button will display the test run time in
minutes. The LCD will display TM: 60.2’ (The symbol ‘ indicates minutes)
9. Upon reaching the EPV the BC-8000 capacity test will stop. The cooling fan motor will stop, and the audio
beeper will beep if enabled. The display will show the C1 battery capacity percentage. Test amperage and Pass
or Failed is displayed.

16
If the BC-8000 COOLING FAN MOTOR FAILS TO START press the NEXT button stopping the test. Place the
OFF/ON switch to the OFF position and return the BC-8000 for service.
“Passing” is the battery manufacturer’s minimum percentage of the batteries one-hour capacity rating.
“Failing” is a battery that falls below the manufacturer’s minimum percentage of the one-hour capacity rating.
Never return a battery to service following capacity testing without recharging the battery follow the
battery manufacturer’s recharging procedure.
BC-8000 Report Output
1. Disconnect the BC-8000 from the test battery. Place the BC-8000 power switch to the ON position. Start the
PC with BC Report installed. Connect the USB cable (4161-40) from the PC to the BC-8000 USB port located in
the rear of the tester. Run the BC Report application by double clicking on the desktop BC Report icon.
2. With the BC Report active on the desktop, type the battery serial number into the Battery Serial Number box.
Make sure the data source selected is the BC-8000 by high lighting the indicator circle. Connect to the BC-
8000 by clicking on the CONNECT button.
3. Place the mouse cursor on the Load Data button and press the left mouse button. The status bar in the lower
left corner of the BC Report window will display program activity and status messages as data is transferred.
4. To print the report, place the mouse cursor on the Print Report button and press the left mouse button. The
WindowsTM print preview window will appear showing the report available to print. Place the mouse cursor
on the printer icon and press the left mouse button.
5. To print a BC-8000 battery test report that has been already downloaded, use the From Disc function to print
the report. The data file uses the file extension tdf. The file name is a combination of battery serial number,
date, and time and can be found in the Concorde file located at (C:) > Concorde > BC-8000. Place the mouse
cursor on the Load Data button and press the left mouse button. The Open test data file window will open on
the desktop. Choose the data file that is to be printed by selecting the file with the left mouse button. Click
Open at the bottom of the window. Place the mouse cursor on the Print Report button and press the left
mouse button. The Print Preview window will become active on the disk top. To print report, left mouse click
the printer icon.
TIP: A paperless report copy can be obtained by using a print driver that will create a PDF file.
These drivers are available for sale or freeware and install in the WindowsTM printer devices. This report
format allows BC-8000 test reports to be sent by means of e-mail attachments.

17
TIP: At the completion of a capacity test or discharge test, BC REPORT generates a CSV file
that is stored on the computers Local disk (C:) > Concorde > BC-8000. The CSV file can be imported into a
spread sheet program for viewing or generating custom reports if needed.
BC-8000 CARE
Your BC-8000 battery charger and capacity tester should be treated as precision test equipment. Misuse will shorten its
ability to perform accurate battery testing. Some simple guidelines of care will insure years of trouble-free operation.
1. Do not drop the BC-8000 or expose it to rough handling.
2. Do not expose the BC-8000 to water or fluids of any kind.
3. Do not operate the BC-8000 in a closed-up area.
4. Do not connect the BC-8000 to batteries of improper voltage ratings.
5. Do not operate the BC-8000 with the air intake or exhaust outlet blocked or restricted.
6. Do not carry the BC-8000 by the main power cable.
7. Do not operate the BC-8000 near flammable materials.
8. Do not expose the BC-8000 to direct sunlight during operation.
9. Do not expose the BC- 8000 to any other heat sources.
10. Always contact the technical support for questions on BC-8000 safety and operation. [email protected]m
REMEMBER SAFETY FIRST!
BC-8000 Field Calibration
With a CF-1 Field Calibration Fixture (P/N 4170) available from the distributor (Advanced Power Products) and the BC-
8000 calibration procedure, the BC-8000 can be calibrated in the field.
General Specifications
BC-8000 SPECIFICATIONS:
GENERAL SPECIFICATIONS
AC Input Voltage
100
~264V AC 1 Phase
AC Input Current
15A Max.
AC Input Frequency
47
-
63 Hz
Case Length
Case Width
Case Height
12 in (30.5cm)
9 in (22.9cm)
16 in (40.6cm)
Weight
19
lbs.
(8.62kg)

18
CAPACITY TESTER
Minimum
Battery Input Voltage
9
.0V DC
Maximum
Battery Input Voltage
28
.0V DC
Maximum Operating Altitude
1
6500ft (1981.2m)
12V
Battery End Point Voltage (EPV)
2
10V DC
24V Battery End Point Voltage (EPV)
2
20V DC
Constant Current Load
0.5A DC to 15A DC 0.1A steps (+
/
-
1.5%)
15A DC to 55A DC 0.1
A steps (+
/
-
1%)
PC Communication Port
BC REPORT Utility Software
Operation Temperature Range
USB 2.0
OS WindowsTM XP or Higher
-20 to 50 Deg. C
DISCHARGE TESTER
Battery End Point Voltage (EPV)
2
0.1V DC to 28V
DC
Amperage
0.5ADC to 55A
DC
Maximum Operating Altitude
1
6500ft (1981.2m)
Constant Current Load
0.5A DC to 15A
DC 0.1A steps (+
/
-
1.5%)
15A DC to 55A
DC
0.
1A steps (+
/
-
1%)
Discharge Time
Battery Operational Temperature3
PC Communication Port
BC REPORT Utility Software
Operation Temperature Range
1 minute to 999
hours
59°F or higher
USB 2.0
OS WindowsTM XP or Higher
-20 to 50 Deg. C
BATTERY CHARGER
DC Output Voltage Minimum
3.0
VDC
DC Output Voltage
Maximum
40.0
VDC
DC Output Current Minimum
DC Output Current Maximum
0.05ADC
25ADC
DC POWER SUPPLY
Adjustable
DC
Output Voltage
6V
-
40
V (0.1V
s
teps)
Adjustable
DC
Output Amperage
3A
-
25A
(0.1A steps)
Note: Maximum amperage
output reduced to 22Adc from 36.1V to 40Vdc)
1. Consult factory for testing above maximum altitude rating.
2. Consult battery manufacturer for End Point Voltage (EPV) settings.

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BC-8000 Limited Warranty
STATEMENT OF WARRANTY
COFKO ELECTRONICS LLC warrants to the original purchaser (end user) of the BC-8000 that it will be free of defects in
workmanship and materials. This warranty is void if COFKO ELECTRONICS LLC finds that the BC-8000 has been subjected
to improper care, abnormal operation, or modification.
WARRANTY PERIOD:
The warranty period covers the original purchaser (end user) from the “Date of First Use”.
1 Year: Covers each BC-8000 for workmanship, material, and labor.
TO OBTAIN WARRANTY COVERAGE:
You are required to notify COFKO ELECTRONICS LLC, of any defects within the warranty period. Written notification is
recommended.
WARRANTY REPAIRS:
If upon inspection COFKO ELECTRONICS LLC confirms the existence of a defect covered by this warranty, the defect will
be corrected by repair or replacement at COFKO ELECTRONICS LLC option.
WARRANTY COST:
The purchaser must bear the cost of shipping the BC-8000 to COFKO ELECTRONICS LLC as well as the return shipping
cost.
IMPORTANT WARRANTY LIMITATIONS:
1. COFKO ELECTRONICS LLC will not accept responsibility for repairs made without authorization.
2. COFKO ELECTRONICS LLC shall not be liable for consequential damages (such as lost business, etc.) caused
by a defect or reasonable delay in correcting a defect to the BC-8000.
3. COFKO ELECTRONICS LLC liability under this warranty shall not exceed the cost of correcting the defective
BC-8000.
This written warranty is the only expressed warranty covering the BC-8000. All warranties implied by law such as
Warranty of Merchantability are limited to the duration of this limited warranty of the BC-8000. Check your local
legal rights for further rights you may have.