Chargery BMS16 User manual

BMS16
BMS for 2S-16S LiPo & LiFe
Low power consumption
High accuracy
2.8” TFT LCD display
Programmable
T hanks for your purchasing the BMS16 for your vehicle.
R ead the ENTIRE instruction anual to beco e fa iliar with the features/functions of the device
before operating.
F eel free to send an e ail to [email protected] or call at 86 755 2643 6165 should you have
any questions and suggestions.
Jason Wang

LiPo LiFe Battery Management System BMS16 V2.0
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Chargery BMS16 is designed special for LiPo LiFe battery pack applied to storage energy system and
Electrical Vehicle including E-Motorcycle, E-Scooter and so on. The unit can measure or detect the
battery voltage, cell voltage, charge discharge current, battery temperature, and battery SOC
(State of Charge) , displayed with TFT color LCD.
Safety Notes
Please read the entire manual completely before using, to make sure you can use this device better
and more safely.
1. Ensure the BMS program and settings match the battery pack, otherwise the battery will be
damaged and a dangerous situation may arise, especially for Lithium batteries, which may cause
fire.
2. For storage energy system application and for Electrical vehicle application will have many
differences, please adjust those key parameters carefully, or contact us for more details.
3. Do not allow water, moisture, metal wires or other conductive material into the device.
4. Never charge or discharge any battery having evidence of leaking, expansion/swelling, damaged
outer cover or case, color-change or distortion.
5. Do not try to charge “non-rechargeable” dry cells.
6. Do not mix batteries of different types, different capacities or from different manufacturers.
7. Do not exceed the battery manufacturer’s suggested maximum charge and discharge rates.
8. Carefully follow the battery pack manufacturer’s recommendations and safety advice.
Copyright
Copyright@ Shenzhen Chargery Po er Co., Ltd. All rights reserved.
Without prior written consent by Shenzhen Chargery Power Co., Ltd, any units or individual extract
and copy parts or entire contents of this manual, and transmission in any form is illegal and strictly
prohibited.
The product described in this manual, may include copyright software ownership belonged to
Shenzhen Chargery Power Co., Ltd and its licensee, except getting the permission from relevant
rights holders, otherwise any copy, distribute, modify, excerpt, decompile, disassemble, decrypt,
reverse engineering, lease, transfer, sub-license, as well as other acts of infringement of software
copyright is strictly prohibited, but apart from the restrictions prohibited by applicable law.

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Special update
1. Relay controller use 12V 3A large current regulator from 16S battery pack. It can drive larger current
mechanical relay or state solid relay.
2. If use external adaptor, the BMS can do 2S -16S battery, and the external voltage range is 15-60V.
3. Use external current shunt, maximal 100A continuous updated to 300A
4. For same Battery positive and negative terminal when charge and discharge, BMS16 can control charge and
discharge separately. And detect charge and discharge current with one current shunt.

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Order information
Model Description Accessories
BMS16 V2.0 300A charge and discharge 300A shunt, and standard accessories
Package
All standard accessories are listed on page 13, includes:
1. Base unit, 1pcs
2. Battery balance wire, 2pcs
3. Relay controller wire, 1pcs
4. Temperature wire, 1pcs
5. Current sensor wire, 1pcs
6. 300A current shunt, 1pcs
7. USB data cable, 1pcs
8. Warning LED, 1pcs
9. Warning beeper, 1pcs
Optional accessories
1. 12V 100A relay
2. 12V 200A relay
3. 12V 400A relay
4. 12V 800A relay
5. Relay delay time board (right picture)

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Special Features
1. The BMS16 uses advanced ADC measurement technology, high accuracy, high voltage and high
current detection circuit. The maximum voltage measurements tolerance is within 5mV at up to
16S LiPo battery (68V)
2. Charge/discharge current up to 300A continue, 600A burst.
3. BMS16 calculate and display the charge and discharge power (Wh), generally the battery rated
power is rated voltage multiply rated battery capacity.
4. TFT LCD screen that provides rich information including current, voltage, power, capacity, control
status, SOC and temperature and so on.
5. BMS16 features a maximal safety protection, within the range parameters can be setup, BMS16
will alarm and cutoff charge or discharge according to users’ setup, out of range of parameters,
and trigged absolute maximum ratings BMS16 will force to cutoff charge or discharge to prevent
the battery from fire.
6. Minimize the power consumption by draw current from all cells or external power supply.
7. Dual power design, the unit can be powered by all cells or external power supply.
8. Detect cell count at any time, and compare with the count detected when switch on first time. If
it is not uniformity, the device will alarm and cutoff charge or discharge according to users’ setup,
the feature can prevent any cell connection from loosing.
9. Sound alarm and LED alarm will be triggered when any warning events happened, and then wait
several seconds cut off or NOT charge or discharge. The delay time can be programmed.
10. Charge relay and discharge relay are controlled independently.
11. Two temperature sensors monitor battery temperature on different location.
12. Supports upgrading the firmware program by USB port.
13. BMS16 provide users the maximal flexibility, key parameters can be programmed.
14. BMS16 display battery SOC or called battery gauge similar with car dashboard. Cell count, battery
pack voltage and battery gauge (%) is displayed simultaneously.
15. In case that the battery pack need not be charged and discharged, Press STOP button enter into
sleep mode to save energy consumption. Charge and Discharge is cut off, LCD back light is off.
Press any key to resume normal work mode.
16. LCD back light ON time can be programmed to save energy, when it is OFF, press any key to
resume “ON”.
Protection functions
1. Cell count error protection
2. Over charge protection
3. Under voltage protection
4. Over current protection when charge or discharge
5. Over temperature
6. Over differential cell voltage
7. Over differential battery temperature
8. Under SOC protection

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Interface of BMS16
Power Selector
Alternate External or battery pack to power BMS16. If select all cells power the unit, the
battery pack must be 8S to 16S LiFe or LiPo. But if power by external power supply, BMS16
can do 2S-16S LiPo or LiFe battery pack.
External power
supply
External power input, the voltage should be 15V to 60V, 3A minimum, the current depends
on the relay, the connector is 5.5*2.1 DC jack.
Charge controller
Charge controller, turn on or turn off charge circuit, generally connect to relay or DC
contactor. When any cell voltage is over setup, it will make relay “OPEN” to turn off the
charger, otherwise BMS16 will output 12V power the coil to close the relay. The relay must be
form OPEN.
Discharge
controller
Discharge controller, turn on or turn off discharge circuit, generally connect to relay or DC
contactor. When any cell voltage is under setup, it will make the relay “OPEN” to turn off the
motor or other load, otherwise BMS16 will output 12V power the coil to close the relay. The
relay must be form OPEN.
Temperature
sensor
Two temperature sensor monitor the battery temperature, the sensor must tie to battery
surface or gap of cells where the temperature should be the highest during charge or
discharge. The temperature range is 0-150℃
LED Connect to high light LED, the LED will flash when any warning event happened
Beeper Connect to beeper or others to alarm. It will output 12V 25mA max.
Current sense Connect to current shunt, Charge current and discharge current can be measured by one
shunt.
USB Connect to PC update the firmware by Chargery UpdateTool.exe
Socket 1 Connect to 2S to 8S battery,
Socket 2 Connect to 9S to 16S battery. for over 8S battery, please connect 8S battery to socket 1 and
then connect to socket 2, such as 8S + 2S for 10S and 8S +5S for 13S
Power
Selector
STOP
Socket 2
Socket 1
C
ell
1
-
Cell 1+
Cell 2+
Cell 3+
Cell 4+
Cell 5+
Cell 6+
Cell 7+
Cell 8+
C
ell
9
-
Cell 9+
Cell 10+
Cell 11+
Cell 12+
Cell 13+
Cell 14+
Cell 15+
C
ell 16+
Temperature Sen or 1
Di charge
Controller
Charge Controller
External power
Bat
tery Pack
External Power
SET/START DOWN UP
Current Sen e
Temperature Sen or 2
USB
LED
Beeper

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Absolute maximum or Minimum ratings
Maximal cell voltage LiPo 4.35V Larger than the absolute maximum voltage, BMS16
will force to cut off charge
LiFe 3.90V
Minimum cell voltage LiPo 2.50V Less than the absolute minimum voltage, BMS16 will
force to cut off discharge
LiFe 2.00V
Battery temperature LiPo
LiFe 100℃ Over the temperature, BMS16 will force to cutoff the charge and discharge
Program Setup
1. Press SET button for 3 seconds enter into Program Setup interface.
2. Press UP or DOWN button select the item, press SET shortly make the value flash, and press UP
or DOWN change the value. Press SET button shortly confirm the change. After finish all setup,
press SET for 3 seconds quit the setup menu.
3. When quit setup mode, BMS16 Will remember all parameters till next change.
NOTE: Please keep the default setup unless for special purpose.
Parameters Min. Type Max. Step unit
Charge Protection
Over Charge Protection(P) Voltage LiPo 3.90 4.20 4.35 0.01
V
LiFe 3.40 3.65 3.90 0.01 V
Over Charge Release(R) Voltage LiPo 3.80 4.10 4.25 0.01
V
LiFe 3.30 3.55 3.80 0.01 V
Over Charge current 5 100 300 1 A
Discharge Protection
Over Discharge Protection(P) Voltage LiPo 2.75 3.00 4.00 0.01
V
LiFe 2.00 3.00 3.50 0.01 V
Over discharge Release(R) Voltage LiPo 2.75 3.20 4.00 0.01
V
LiFe 2.00 3.10 3.50 0.01 V
Over Discharge current 5 100 300 1 A
SOC--- Battery gauge 5 20 90 1 %
Temperature Protection
Battery Temperature 30 50 80 1 ℃
Difference(Diff) of battery Temperature(Temp) 5 10 30 1 ℃
Voltage balance Protection
Difference(Diff) of cell voltage 5 30 300 1 mV
Others
Temperature Unit ℃ ℉

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Key Beeper ON OFF
LCD Back-Light time
(1)
1 10 999 1 min
Cut-Off Delay Time
(
2)
0 10 60 1 Second
Current Calibration
(3)
0 0 255 5 A
NOTES:
1. Al ays on means the LCD back-light will be ON forever.
2. NO means BMS16 will not cut off charge or discharge but alarm by LED flash and Beeper Sound.
3. Current Calibration is not recommended, voltage and current is calibrated before delivery.
Warning
Cut-Off Delay Time is very important and difference for different battery capacity and application,
please carefully test and make a correct decision, for EV, you can select NO to control the EV car
NOT controlled by BMS16, but when cell voltage and temperature trigger the absolute maximum
or minimum ratings, the BMS16 will force to cut off charge or discharge to make sure the battery
safety, and prevent battery pack from explode or fire.
Operating guideline
1. Connect Beeper, LED, and Current Sensor to BMS16, and then
connect relay Controller and temperature sensor too.
2. Connect the battery to BMS16, keep the cell polarity correct.
The detailed connection diagram is as the following typical
connection drawings. move the power selector power on the
device.
3. BMS16 will initialize the beeper and LED, beeper sounds once time, after display BMS16 and
version, the battery type and cell count interface is displayed. Two battery type LiPo and LiFe can
be selected. Cell count range is 2S to 16S, the cell count will be identified when the battery pack
connect to the BMS16. Press DOWN or UP button choose the item and press SET blink, then press
DOWN or UP button changed, finally press START button to run the BMS16 or waiting for 8
seconds the BMS16 will start automatically. After started, battery type and cell count will not be
changed unless power off BMS16.
4. SOC—battery gauge dashboard will be displayed first, as following. Press UP/DOWN button alter
other interface.
Notes
STORAGE i battery tatu , maybe CHARGE or DISCHARGE
(1)
Cell count and battery type
SOC—battery gauge, di play 0% lo e temperature en or
Battery pack voltage
Highe t cell voltage
Lowe t cell voltage
Difference of cell voltage
Battery temperature
Charge or di charge
current
Charge or di charge
power

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1) When charge or discharge current less than 0.5A, battery status ill be STORAGE.
5. The following interface is cell voltage column, the highest and the lowest cell voltage is displayed
in RED column.
6. The third interface display all information including all cell voltage. The highest and the lowest cell
voltage is displayed in RED text. Difference of cell voltage and difference of battery temperature
is displayed.
When any warning events triggered, BMS16 will go to the interface and display error information.
Such as if the battery connection bread down, the cell count and ERROR will be displayed in turn.
if the cell voltage over the setup value, the cell voltage and HIGH will be displayed in turn.
Specifications
1. Battery range: 2S-16S LiPo LiFe battery pack
2. Accurate scope of the cell voltage: -5mV/+5mV
3. Cell Voltage display range: 0.10~4.99V
4. The voltage of external power：13.5-60V.
5. Temperature display range:0.0℃~150℃,
 Display 0.0 when under 0.0℃
6. SOC indicator:
 RED area @ 0~15% of SOC
 YELLOW area @ 16~35% of SOC
 GREEN area @ 36~100% of SOC
7. Size:105*80*24 ( L*W*T, mm)
8. Weight: 190g
9. Warning LED: 11000mCd, @ 2.0V, 20mA
10. Warning beeper: 85dB @ 12V, 25mA
11. Package: AL alloy case

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Current Shunt Specifications
Please use correct current shunt according to actual maximal charge and discharge current, singe shunt is
enough for BMS16, 75mV or less shunt is suggested. BMS16 can detect charge and discharge current by same
shunt.
All cell voltage and current are calibrated before delivery.
The 300A 75mV specification is as below.
300A shunt weight: 230g
Current sensor ire
Current Calibration
Press SET 3 buttons enter into Program Setup and find the Current Calibration, you can calibrate the
current to improve the measure accuracy.
1. Shortly press SET make the 0A blink
2. Turn off charge and discharge, and short press SET button.
3. Press SET again and increase it to any current value (up to 255) and charge or discharge at the
current.
4. Press SET save calibration data.
5. Press SET for 3 seconds quit.

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Firm are Upgrades via USB Port
1. Go to http://www.chargery.com/uploadFiles/ChargeryupdateTool.zip to download the
ChargeryupdateTool.zip.
2. Connect BMS16 to PC with USB cable, the USB
driver will be installed automatically
3. Double click to run the update tool and enter
program interface.
4. When the port number (such as com5) appears,
this shows the update tool identified the BMS16.
Click OPEN button lock the port please.
5. Click Open file button open the firmware file. If
there is no firmware file on the PC, you can
download the file on
http://www.chargery.com/uploadFiles/firmwareFiles/ to the PC.
6. Click the Update button, then the update progress bar will appear on the bottom, update
complete will be displayed on PC after finish update. BMS16 display the progress bar
simultaneously and enter into cell count setup interface after update is completed.

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Typical Connection
There are 2 sockets connecting to battery pack, socket 1 is for 2S-8S and socket 2 for 9S~16S
battery.
1. 6S battery connect to the socket 1 directly, it is as following.
2. For over 8S battery pack, connect 8S to socket 1 and then socket 2 separately. Take 12S battery
sample as following:
Cell
1
Cell
2
Cell
3
Socket
1
Cell
4
Cell
5
Cell
6
STOP SET/START DOWN UP
Cell
9
Cell
10
Cell
11
Cell
12
Cell
1
Cell
2
Cell
3
Socket
1
Cell
4
Cell
5
Cell
6
STOP SET/START DOWN UP
Cell
7
Cell
8
Socket
2

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Accessory
USB data cable Battery connection XHR-9PIN, 600mm
Temperature sensor, 600mm Relay controller ire 600mm
Warning LED, 300mm Warning Beeper, 300mm
Current Sensor ire 600mm

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Current Sensor and Relay Connection
W arning
Before connect the relay to charge or discharge controller, please confirm the coil of relay
voltage. The BMS16 controller will output 12V to power the coil, and total current for charge
and discharge relay don’t be larger than 2.5A.
Heavy RED wires are positive of battery pack (B+/B16+), charger and load such as motor, and
heavy black wire is negative of battery pack(B-/B1-), charger and load.
Cell po itive
Cell negative
B1+
B+
Load Charger
B
-
BMS16
B1- B16+
.........
...
....
...
..
LOAD+ Charger+
Charger-
Load-
Charge
controller
Di charge
controller
RELAY
RELAY
Current Shunt
Current Sen or
B1-
B2+
B3+
B4+
B5+
B6+
B7+
B8+
B9+
B10+
B11+
B12+ B13+
B14+
B15+
B16+
DC output
AC120/240

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If charge and di charge u e one port, the charge relay and di charge relay can be connected in erie , but the charge
relay mu t be with enough rated current that i larger than maximal di charge current.
W arning
Before connect the relay to charge or discharge controller, please confirm the coil of relay
voltage. The BMS16 controller will output 12V to power the coil, and total current for charge
and discharge relay don’t be larger than 2.5A.
Heavy RED wires are positive of battery pack (B+/B16+), charger and load such as motor, and
heavy black wire is negative of battery pack(B-/B1-), charger and load.
Cell po itive
Cell negative
B1+
B+
INVERTER
B
-
BMS16
B1- B16+
.........
...
....
...
..
Charge
controller
Di charge
controller
Di charge
RELAY
Charge
RELAY
Current Shunt
Current Sen or
B1-
B2+
B3+
B4+
B5+
B6+
B7+
B8+
B9+
B10+
B11+
B12+ B13+
B14+
B15+
B16+
DC
AC120/240V

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Charge relay and discharge relay lectotype for BMS16
BMS16 can output 12V 3A to power the charge and discharge relay. So the relay coil driven
voltage must be 12V and total current for charge and discharge relay don’t be larger than 2.5A.
1. Relay DC rated current should be over 1.2 times of real charge or discharge current. If
discharge current is 100A, 120A relay for discharge is suitable.
2. If BMS16 is powered by external power supply, the external voltage should be 15-60V and
can output 3A at least to drive the relay and power the BMS16.
3. For solid state relay, the driven voltage (+VDC, -VDC), adequate Heats Sink and rated load
current is very important, please pay attention to its wire connection.
Coil
B+
Charger +
Coil
B+
Laod +
Charge
controller
Di charge
controller

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Optional accessories
1. 12V 100A, 200A 400A, 600A and 800A relay
Rated Operating voltage 12V – 500V DC
Continuous (Carry) Current, Typical
100A 200A 400A 600A 800A
Voltage drop at 100A load ≯80mV ≯80mV ≯80mV ≯80mV ≯80mV
Coil operating voltage range 12V±20%
12V±20% 12V±20% 12V±20% 12V±20%
Close (includes bounce), Typ. 10 ms 10 ms 10 ms 10 ms 10 ms
Release (includes arcing), Ma 40 ms 40 ms 40 ms 40 ms 40 ms
Bounce (after close only), Ma . 3 ms 3 ms 3 ms 3 ms 3 ms
Insulation Resistance @ 500VDC 20MΩ 20MΩ 20MΩ 20MΩ 20MΩ
Coil power 4-10 w 4-10 w 4-10 w 4-10 w 4-10 w
Load Life 20000 Cycles
20000 Cycles 20000 Cycles 20000 Cycles 20000 Cycles
Mechanical Life 1 million 1 million 1 million 1 million 1 million
Operating Ambient Temperature -40 to +85 °C -40 to +85 °C
-40 to +85 °C -40 to +85 °C -40 to +85 °C
Weight, Nominal 0.3 g 0.5 g 1.0 g 1.6 g 2 g

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2. Relay delay time board
When battery start to discharge and power the motor, the surge current is very large, in order to restrain the
current, CHARGERY designed the special board, it can fit with CHARGERY BMS8T, BMS16, BMS16T and BMS24T
and so on.
The board gets the relay driven signal from BMS, charge relay coil and small current discharge relay will be closed
without any delay. But the large current discharge relay will be closed after a delay time. When large current relay
closed, the small relay will be open automatically according to the below connection diagram.
The delay time can be adjusted by J1, J2 and J3.
 Short circuit all jumpoers: J1, J2 and J3, the delay time is 2 seconds,
 Short circuit two of 3 jumpers: J1 and J2, or J2 and J3, or J1 and J3, the delay time is 3 seconds.
 Short circuit one of 3 jumpers”: J1, or J2 or J3, the time is 6 seconds.
The small current relay and large current connection is as below,

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The large power resistors must be chose by delay time and load current.
Before finish all connections, please power off the switcher (LED 1 is off). On the board, there are two BLUE led
indicators, when charge relay closed, the LED 2 is on, otherwise it is off, when discharge relay closed, the LED 1
is on.
Finish all connection and setup, when ready to go, please close all other switchers on other device first, finally
power on the switcher on the board, LED 1 is ON, small current relay closed immediately, after setup delay time,
the large current relay closed. The battery will discharge normally.
When the battery is not in use, please power off the switcher to save battery energy. The switcher should be
installed on convenient place to be operated.
Coil
Load +
Coil
B+
Laod +
Small current di charge
relay controller
Large current Di charge
relay controller
Large power re i tor Such a NTC

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Related parts
The following device i related with BMS16
MODEL DESCRIPTION COMMENTS
BMS16T 16S BMS with 1.2A balancer 600A maximal
BMS8T 8S BMS with 1.2A balancer 600A maximal
BMS24T 24S BMS with 1.2A balancer 600A maximal
Version History
Version description
V1.0 100A continuous charge and discharge , 300A maximal
V2.0 300A continuous charge and discharge , 600A maximal