RadioLink CB86-PLUS User manual
RadioLink Electronic Ltd
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CB86-PLUS
User Manual
RadioLink CB86-PLUS balance charger is suitable for all lithium batteries
(Including Lithium Iron Battery and High Voltage Lithium Battery)
Note: To ensure the safe use of CB86-PLUS, please read this manual carefully before
use. This manual only introduces the basic usage of RadioLink CB86-PLUS charger.
For further understanding, please go to RadioLink official website www.radiolink.com
to view tutorials, FAQ and download the latest firmware.
V2.5
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V2.5
Contents
Part 1. Safety Precautions--------------------------------------------------------------------------------------------- 3
Part 2. Introduction of CB86-PLUS---------------------------------------------------------------------------------- 4
2.1 Functions---------------------------------------------------------------------------------------------------------------4
2.2 Upgrade instructions------------------------------------------------------------------------------------------------4
2.3 Specifications--------------------------------------------------------------------------------------------------------- 5
2.4 Home page------------------------------------------------------------------------------------------------------------ 5
2.5 Setting page-----------------------------------------------------------------------------------------------------------6
2.6 Buttons----------------------------------------------------------------------------------------------------------------- 7
Part 3. Power Supply for CB86-PLUS------------------------------------------------------------------------------ 7
3.1 Power supply for CB86-PLUS------------------------------------------------------------------------------------7
3.1.1 DC power supply------------------------------------------------------------------------------------------- 7
3.1.2 Battery power supply-------------------------------------------------------------------------------------- 8
3.2 Supply low power warning---------------------------------------------------------------------------------------- 9
3.3 Supply voltage over high warning------------------------------------------------------------------------------- 9
3.4 Supply voltage over low warning-------------------------------------------------------------------------------- 9
3.5 Connection of the battery---------------------------------------------------------------------------------------- 10
3.5.1 Correct connection of the battery--------------------------------------------------------------------- 10
3.5.2 Wrong connection of the battery---------------------------------------------------------------------- 11
3.5.3 Five Combinations of battery charging/discharging connection----------------------------- 11
Part 4. Working Mode of CB86-PLUS----------------------------------------------------------------------------- 13
4.1 CHARGE------------------------------------------------------------------------------------------------------------- 13
4.1.1 Recommended charging voltage---------------------------------------------------------------------13
4.1.2 Recommended charging current--------------------------------------------------------------------- 13
4.1.3 The method to set the same charging voltage and current for all ports------------------- 14
4.1.4 The method to set different charging voltage and current for each port------------------- 14
4.1.5 Notice of fully charging----------------------------------------------------------------------------------14
4.2 DISCHARGE-------------------------------------------------------------------------------------------------------- 15
4.3 STORAGE----------------------------------------------------------------------------------------------------------- 16
4.4 Repair charge------------------------------------------------------------------------------------------------------- 16
4.5 Internal resistance------------------------------------------------------------------------------------------------ 17
4.6 Parameter viewing------------------------------------------------------------------------------------------------ 17
Part 5. Firmware Upgrade-------------------------------------------------------------------------------------------- 17
5.1 Firmware selection-------------------------------------------------------------------------------------------------17
5.2 Upgrade steps------------------------------------------------------------------------------------------------------ 18
Part 6. Voltage Calibration of CB86-PLUS-----------------------------------------------------------------------18
Part 7. Troubleshooting for Common Problems---------------------------------------------------------------- 20
7.1 Fault self-detection warning------------------------------------------------------------------------------------- 20
7.2 Notice troubleshooting (Beep sound)-------------------------------------------------------------------------21
Part 8. After-sales Service Policies-------------------------------------------------------------------------------- 21
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Part 1. Safety Precautions
1. Please read this Manual carefully before using to make sure CB86-PLUS is safely operated.
2. CB86-PLUS balance charger requires DC power supply, otherwise it cannot be used. You need to
select a DC power supply with an output voltage of 10.5V-15V and an output current not less than
15A.
3. The CB86-PLUS input power supply cannot have great fluctuations, because it may burn the charger
or damage the battery and power supply in extreme cases of current fluctuations. For example, the
input protection voltage of the charger should be set according to the specifications of the input power
supply to avoid overloading of the power supply. Some power supplies have overload protection,
which will produce large fluctuations in voltage.
4. Connect the charger to the power supply first, and then set the charging mode and charging
voltage/current after the charger is turned on, then connect the battery, press the start button to
charge (Never plug in the battery first and then power on the charger. When the battery is fully
charged, please remove the battery first, and then power off the charger).
5. CB86-PLUS is an 8-port charger that supports 8 independent 1-6S battery cycle charging, but it does
not support 12S batteries. (If you want to charge the 12S battery, you must split it into 2 independent
6S battery packs for charging. The 2 6S battery packs can not connect to any external electrical parts,
otherwise the charger or battery packs will be burned out)
6. Keep the charger always away from children and pets.
7. Keep the charger supervised when charging or discharging. If you have to leave, please disconnect
the battery to prevent any unexpected dangers or damage.
8. Ensure the charger settings match the battery packs with correct charging voltage and charging
current. Otherwise, the battery will be damaged and even cause a fire.
9. Do not leave metal or wire objects into the charger.
10. If the battery has any abnormalities such as leakage, bulging, peeling of the outer skin, color change
or deformation, please do not charge or discharge it.
11. Do not mix batteries of different types, capacities or manufacturers.
12. Do not refit or disassemble the charger.
13. Do not put the charger or any battery on a flammable surface or close to a combustible material while
in use. Do not (dis)charge in an R/C model or inside a full-sized automobile.
14. Never block the air intake holes and never use in a confined space or high temperature environment,
which may cause internal temperature protection and result in abnormal (dis)charging .
15. Do not try to charge "non-rechargeable" dry cells.
16. Do not exceed the suggested maximum battery charge rates and carefully follow the
recommendations and safety advice of battery manufacturers.
Thank you for choosing RadioLink CB86-PLUS balance charger. For more details, please access to
RadioLink website: www.radiolink.com or send mail to: after_service@radiolink.com.cn. RadioLink
reserves the right to modify the contents of the manual without notice.
Note: Do not allow children (Less than 14 years old) to touch this product. This product is not a toy. Please
be careful when operating in scenes where children are present.
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Part 2. Introduction of CB86-PLUS
2.1 Functions
1. High Precision. With precision of 0.001V, which is 10 times precise than the competing products of
0.01V.
2. With 8 charging/discharging ports. Each port is compatible with 1S~6S battery and the parameters
of each port can be set individually.
3. With balance current of 6A, which is much higher than 0.5A of ordinary chargers and improves the
charging efficiency of the battery.
4. Integrated Protection. After setting the parameters of charging and discharging, the charger will
automatically scan the batteries of all ports and automatically start to take turns to charge or discharge.
5. Power supply self - adaptation. When the maximum output of the power supply cannot meet the
charging power, the charger will automatically reduce the current to adapt to the maximum output of
the power supply. The smooth power technology effectively solves the problem that some power
supplies cannot start the rated power instantly.
6. Intelligent battery repair function, which is also called Repair charge. When the charger is
connected to an over-discharged battery, the charger will automatically identify the over-discharged
cell, and then automatically trigger the Repair charge mode to protect the cell. When the voltage of
over-discharged cell rises to 3.0V, it will automatically charge according to the charging parameters
you set, which greatly prolongs the life span of the battery.
7. Polarity control. When there's reversed polarity connection, the charger won't work which ensures
protection to the charger.
8. Input over-voltage protection. If the input voltage of the power supply is too high, the charger will
automatically recognize it and make sure the charger won't be damaged.
9. Power management adopts switch circuit, with most efficient individual PUSH-PULL design for
each charging cell. There's no resistance consuming power when balance charging, which greatly
decreases the heat. Operating current is as low as 135mA with charging efficiency up to 97%. The
operating temperature remains 35°C no matter whether it is on standby mode or fully working mode.
10. Press one key to view all parameters of the battery at any time, such as: initial voltage, completed
voltage, capacity analysis of each battery cell and internal resistance display, so that the battery
charging voltage is more accurate.
11. Fast dynamic battery internal resistance display. Basic internal resistance display after ten
seconds of charging, which can quickly judge the balance and discharge performance of the battery
cell.
12. Support charging and discharging of different battery combinations such as 2pcs 3S batteries, 1pc
4S battery and 1pc 2S battery, 3pcs 2S batteries, 6pcs 1S batteries, which can be combined into 1pc
6S battery. It can also charge/discharge 6 cells of the assembled battery at the same time.
2.2 Upgrade instructions
New functions are added in the new firmware V2.5, and the usage is slightly different from the old
version firmware, so this manual is only applicable to CB86-PLUS chargers with firmware V2.5 and
above.
Note: If the charger is produced after November 1, 2021, users do not need to upgrade it. If the
firmware of your charger is the version below V2.5, after upgrading firmware V2.5 and above, there
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will be a warning on the charger screen:“EQUIPMENTS NOT CALIBRATED! Please calibrate before
use!” You must calibrate them before use! Otherwise, the charger cannot be used normally.
For firmware upgrade, please refer to page 17, Part 5. Firmware Upgrade.
For voltage calibration, please refer to page 18, Part 6. Voltage Calibration of CB86-PLUS.
2.3 Specifications
Size: 188*104*57mm (7.4”* 4.09”* 2.24”)
Weight: 0.89kg
Input Voltage: DC10.5-15V
Supporting battery: 1S~6S battery, including lithium battery, lithium iron battery and high voltage
lithium battery (8 ports available)
Working Modes: CHARGE/ DISCHARGE/ STORAGE/Repair charge
Charging Voltage: 3.5~4.35V, setting precision: 0.01V
Note: It's advised to set 4.2V per cell for charging voltage of common lithium battery, 3.6V per cell for
the cut-off voltage of lithium-iron battery, and 4.35V per cell for cut-off voltage of the high voltage
lithium battery.
Charging Current: 0.3~6.0A
Balance Current: 0.3~6.0A (same as charging current)
Discharging Current: 1.2A(fixed)
Screen: 2.8”TFT screen
Sound Notification: Buzzer, ON/OFF customizable
Max. Output Power: 162W
2.4 Home page
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1PWR：Input voltage
2REMAIN：Charging/discharging time remaining
3Charging/discharging ports
4Setting icon
5MODE：Working mode
6VOL：Charging/discharging voltage
7CUR：Charging/discharging current
8Voltage and capacity of each cell
9Press +/- button to view each parameter
2.5 Setting page
1SUPPLY：Power supply mode, including POWER / BATTERY.
2LOW PWER：The lowest working voltage of the charger. When the input voltage is less than the
value, the charger will stop working automatically.
3MODE ：Working mode. Three working modes are optional, including CHARGE/ DISCHARGE/
STORAGE. But when the voltage of any cell connected to the charger is lower than 3.0V, Repair charge
will be triggered.
4VOLTAGE ：Charging/discharging voltage. The highest voltage can be set to 4.35V for high
voltage battery. Please set 4.2V for standard lithium battery.
5CURRENT：Charging current.
6DCHARGE(FIX)：Discharging current. 1.2A.(fixed)
7: : Sound button. It can be set to ON/OFF.
8V2.5：Firmware version.
9TIME ：Charging/discharging time. Charging/discharging time can be set. When the charging/
discharging time reaches the set time, the charger will automatically stop charging;
10 ①②③④⑤⑥⑦⑧:Charging/discharging ports.
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2.6 Buttons
START/STOP ：
To start or stop the current status, it is available at any time. So it's important to finish all parameters
(voltage and current) setting for charging or discharging before pressing this button.
SET ：
1When it is on the home page and the charger isn't working, press SET button to enter the setting
page.
2When charging, press SET to view internal resistance of the battery being charged.
3Press SET button to confirm the setting and exit the setting on the setting page. Then press "+/▲"
or "-/▼" buttons at the bottom of the screen to change the value that needs to be set, and move to the
function that needs to be set.
"+/▲" or "-/▼": To change the value and select the function.
Part 3. Power Supply for CB86-PLUS
3.1 Power supply for CB86-PLUS
Power supply for CB86-PLUS is not provided by default. The charger can only work when it is
connected to a DC power supply or battery power supply.
3.1.1 DC power supply
If the charger is connected to a DC power supply, please set SUPPLY in the menu to "POWER".
The DC power supply of the charger must be with an output voltage of 10.5-15V and an output current
of not less than 15A.
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Note: Make sure that the positive and negative poles of the charger are connected correctly to the
positive and negative poles of the power supply. If the positive and negative poles are reversed, the
charger will not be damaged, but it will not start. Connect the red cable of the charger to the positive
pole of the power supply, and connect the black cable of the charger to the negative pole of the power
supply. Please refer to the below picture:
3.1.2 Battery power supply
If the charger is battery powered, please set SUPPLY in the menu to "BATTERY".
The battery power supply of the charger must be with the voltage of 10.5-15V. The following picture
uses the car battery power supply as a reference. When the car battery is used for power supply of
the charger, the lowest working voltage need to be set on the menu LOW PWR of the charger to
prevent the car battery from being unable to start the car due to lack of power.
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Note: Wrong power supply selection will not affect the charger. If battery power supply is selected,
there is no automatic current limiting function, which means the battery can be charged at a higher
rate.
Setting method: When the charging stops, short press SET button to enter the setting page, and the
blue background cursor comes to "POWER". Press SET button, and the cursor starts to flash. Then
press "+/▲" or "-/▼" buttons at the bottom of the screen to switch POWER to BATTERY, and then
press SET button to confirm the setting. Then press "+/▲" or "-/▼" buttons at the bottom of the screen
to set other parameters.
3.2 Supply low power warning
If the power supply to the charger is insufficient, the charger will automatically prompt "Supply Low
Power", the charger won't stop charging at this time but will automatically reduce the charging current.
3.3 Supply voltage over high warning
If the input voltage of the power supply to the charger is higher than 15.0V, the charger will
automatically prompt "Supply Voltage Over High" and the charger will automatically stop charging.
3.4 Supply voltage over low warning
If the input voltage of the power supply to the charger is lower than 10.5V, the charger will
automatically prompt "Supply Voltage Over Low" and the charger will automatically stop charging.
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3.5 Connection of the battery
CB86-PLUS contains 8 balance ports, which allows connection of max 8 pieces 6 cells lithium battery
or lithium polymer battery at the same time. Random connection of 1S-6S cells of battery is also
supported. Please refer to the below picture for connection.
Note:
1）Make sure the correct polarity of batteries (The red cable is positive and connects to the left side
while the black is negative connecting to the right side.)
2 ） Batteries can be connected to the charger easily. But if there is a big obstruction during the
process of connecting the battery, please check whether the balance port pin is bent and whether the
battery balance port is connected reversely (black cable on the right) to avoid damage to the battery
and charger.
3.5.1 Correct connection of the battery
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3.5.2 Wrong connection of the battery
3.5.3 Five Combinations of battery charging/discharging connection
CB86-PLUS has eight charging/discharging ports, supporting max eight combinations of battery
charging/discharging connection. There are six independent sources which allow max 6S lithium
battery charged/discharged with each port. When charging/discharging the non 6S battery, you can
put 6 pieces of 1S OR 1 piece of 4S+1 piece of 2S OR 2 pieces of 3S OR 3 pieces of 2S OR one 6S
battery to charge/discharge as picture shown below.
(1) 1 piece of 6S
(2) 1 piece of 4S + 1 piece of 2S
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Part 4. Working Mode of CB86-PLUS
There are three working modes of CB86-PLUS: CHARGE/ DISCHARGE/ STORAGE. But when the
voltage of any cell connected to the charger is lower than 3.0V, CB86-PLUS will automatically
recognize that the battery has been over-discharged, and automatically trigger Repair charge mode.
4.1 CHARGE
When multiple sets of batteries are connected, the charger will charge all connected batteries in turn
according to the sequence of the charging port numbers if there is no designated charging port
sequence. You can set the same charging parameters for all ports, or set different charging
parameters for each port.
Note: During the charging process, if the input power supply voltage drops by more than 9%, the
charger will automatically limit the current to keep the power supply voltage falling within 5%-8%
during charging.
4.1.1 Recommended charging voltage
1. Ordinary lithium battery: The recommended charging voltage for lithium batteries is 4.2V, and the
maximum charging current cannot exceed 6.0A. Because CB86-PLUS charger is charged by the
balance port of the batteries and the safety current of the silicone wire of the balance port cannot
exceed 6.0A. If the current is too high, there is a risk of overload.
2. High voltage lithium battery: The recommended charging voltage is 4.35V.
3. Lithium-iron battery: The recommended charging voltage is 3.6V.
4.1.2 Recommended charging current
Under CHARGE mode, the values of voltage and current can be customized. The full voltage of a
standard lithium battery is 4.2V per cell. Please set the current according to the battery capacity.
Generally, in order to protect the battery, the charging current of the battery is set to 1C according to
the battery capacity. For example, 1000mAh lithium battery can be charged with 1A current.
2000mAh lithium battery can be charged with 2A current. If you want to complete the charging as
quickly as possible, you can also set a larger charging current.
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4.1.3 The method to set the same charging voltage and current for all ports
When charging is stopped, press SET button to enter the setting page, and then press "+/▲" or "-/▼"
button to move the blue cursor to MODE. Then press SET button to select and press "+/▲" or "-/▼"
button to select CHARGE mode. Press SET button to confirm the option. And then press "+/▲" or "-/
▼" button to move the cursor to VOLTAGE, and press SET button to select and set the charging
voltage and charging current. After the setting is completed, all ports will perform in the same charging
voltage and current.
4.1.4 The method to set different charging voltage and current for each port
When charging is stopped, press SET button to enter the setting page, and then press "+/▲" or "-/▼"
button to move the blue cursor to MODE. Then press SET button to select and press "+/▲" or "-/▼"
button to select CHARGE mode. Press SET button to confirm the option. And then press "+/▲" or "-/
▼" button to move the cursor to ①②③④⑤⑥⑦⑧ and press SET button to confirm. The cursor
will blink and press "+/▲" or "-/▼" button to choose the port you want. Press SET button to confirm
and press "+/▲" or "-/▼" button to move the cursor to VOLTAGE, and press SET button to select and
set the charging voltage and charging current for the port.
Note:
Do not select all ①②③④⑤⑥⑦⑧ numbers if you want to set different charging voltage and current
for each port. If you select all of them, ①②③④⑤⑥⑦⑧ will be all in blue or green.
4.1.5 Notice of fully charging
After setting the charging current and voltage, press "START/STOP" button to start charging. The red
light on the left of the charging port will light up, and the corresponding port number will also show a
green background. The screen will display the battery charging status. The voltage and current data
lines will display the current voltage of each cell in the battery packs, the charging current, and the
battery capacity charged into it.
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1. Every time when a battery cell is fully charged, the charger will give four beeps, and the voltage
value of the battery cell will show a green background.
2. During the charging process, if the battery is in poor contact, there will be beep warning tone.
Please unplug the battery and then replug it.
4.2 DISCHARGE
The discharging current of CB86-PLUS charger is fixed at 1.2A. And the discharging voltage can be
set. Start the DISCHARGE mode, the charger will discharge the battery to the voltage you set. Make
sure to set an appropriate discharging voltage, because over-low discharging voltage will cause over-
discharging, which will damage the battery and shorten its life span. If the discharging voltage
exceeds the battery's voltage, it will not be able to discharge. Because of the heat generated during
discharge, the charger's cooling fan will work automatically. When the charger discharges the battery
to the level equal to the set discharging voltage, the discharging is completed.
If the battery will not be used for a long time, it is recommended to discharge the battery to 3.8V
before storing. If the voltage of the battery is too high, long-term storage may damage the battery.
Setting method: The setting method of discharging voltage is the same as that of charging voltage,
please refer to Page 14, charging voltage setting method.
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4.3 STORAGE
Besides (dis)charge mode, STORAGE working mode is also available. If batteries will not be used for
a long time, this mode can be used to (dis)charge them to the best storage status. That is, 3.8V for
standard 1S battery.
When this mode is enabled, CB86-PLUS will automatically charge or discharge all batteries
connected to 3.8V per cell one by one. If the voltage of any battery cell is higher than 3.8V, the
charger will automatically discharge it to 3.8V. If the voltage of any battery cell is lower than 3.8V, the
charger will automatically charge it to 3.8V. The charging current can be set, but the discharging
current is 1.2A by default.
Setting method: The setting method of storage voltage is the same as that of charging voltage, please
refer to page 14, charging voltage setting method.
4.4 Repair charge
But when the voltage of any cell connected to the charger is lower than 3.0V, CB86-PLUS will
automatically recognize that the battery has been over-discharged, and automatically trigger Repair
charge mode. The charger screen will display blue "Repair Charge"at this time, which is also called
trickle charge, as shown in the picture below. The current during repair process is 10% of the current
battery voltage, and the minimum is 300mA. In the repair mode, no matter how much charging current
you set, the charger will repair it according to the small current in the repair mode. It won't start to
charge normally according to the charging current you set until the voltage of the over-discharged cell
rises above 3.0V.
Note: Repair charge mode will be activated only when the voltage of any cell connected to the charger
is lower than 3.0V. If the voltage of all cells is higher than 3.0V, this mode won't be activated.
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4.5 Internal resistance
The battery internal resistance data can be viewed when charging.
Method: 10 seconds after charging starts, short press SET button to view all the internal resistance of
the battery being charged. Press SET again to return to the charging page.
4.6 Parameter viewing
When the charging stops, press "+/▲" or "-/▼" buttons at the bottom of the screen when it is on the
home page to select the battery port that needs to be viewed, and then press SET button to confirm
the selection to view the data of each cell of the battery. If you need to view the battery data of other
ports, press "+/▲" or "-/▼" buttons at the bottom of the screen to switch ports for data viewing.
Total voltage data of all batteries Parameters of each cell of 4th port
Part 5. Firmware Upgrade
5.1 Firmware selection
1. Black-and-white screen CB86: The latest firmware is not suitable for CB86 with a black-and-white
screen. Improper upgradation will cause a white screen when the charger is powered on. And the
charger needs to install the old version firmware again and re-calibration.
2. Color screen CB86-PLUS: Connect the charger to the computer via USB cable. If the charger
screen stays on, you can only install firmware of Bin file. Computers with XP, win7-win10 system are
supported for firmware upgrade. (Note: If computer with win 10 system is selected to upgrade the
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firmware, please follow the tutorial on the Firmware page of CB86-PLUS on RadioLink official website.)
Apple computer system is not supported.
3. Color screen CB86-PLUS: Connect the charger to the computer via USB cable. If the charger
screen flashes, you can install firmware of Mac file. XP, win7-win10, and Apple computer systems are
all supported.
5.2 Upgrade steps
1．Connect CB86-PLUS to the computer with a Micro USB cable
2．Power on CB86-PLUS and the computer will recognize the disk.
3．Format the disk. (Note: The operation is only for the firmware. It won't format any other file in your
computer. )
4．Copy the new firmware to U disk
5．Unplug the USB cable and the firmware upgrade is complete.
Part 6. Voltage Calibration of CB86-PLUS
1. Use a multi-meter to measure the power supply voltage for the charger and record the measured
voltage. The power supply voltage must be within the range of 11V-15V.
1. Use a multi-meter to measure the normal battery voltage and record the measured voltage. The
measured voltage of the cell must be within the range of 3.8V-4.4V.
Note: If the cells of the battery measured is more than 1 piece, such as 2S or 6S batteries, you must
measure the voltage of the first cell next to the black cable of the battery balance port, as shown in the
picture below. Connect the black cable of the multi-meter to the black cable of the battery, and
connect the red cable of the multi-meter to the cable next to the black cable of the battery.
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3. Press Start and SET button at the same time. Then power on the charger and enter the calibration
setting page, as shown in the picture below:
4. The calibration of the CB86-PLUS charger includes power supply voltage calibration and battery
voltage calibration. Calibrate the power supply voltage first, and then calibrate the battery voltage.
Please refer to the following calibration steps:
1Pwr：power supply voltage calibration
Press SET button to adjust the current power supply voltage automatically. If the value is different
from the actual power supply voltage you measured, press "+/ ▲" or "-/ ▼" buttons to make fine
adjustments until the power supply voltage displayed is the same with the power supply voltage
measured.
After the adjustment, press Start button to confirm the calibration. The word OK will appear next to
Power Calibration, indicating that the power supply voltage calibration is complete and the battery
voltage calibration can be performed.
2Bat：battery voltage calibration
Connect the battery to any port of the charger first, and then press SET button to adjust the current
battery voltage automatically. If the value is different from the actual battery voltage you measured,
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press "+/▲" or "-/▼" buttons to make fine adjustments until the battery voltage displayed is the same
with the battery voltage measured.
After the adjustment, press Start button to confirm the calibration. The word OK will appear next to
Battery Calibration, indicating that the battery voltage calibration is complete. The charger will go back
to home screen.
When the calibration is complete, the word OK will appear next to Power Calibration and Battery
Calibration. Then the screen will return to home page.
Part 7. Troubleshooting for Common Problems
7.1 Fault self-detection warning
CHARGER FAILURE! Please contact Radiolink E-mail: after_service@radiolink.com.cn
The main reasons for this warning are usually: abnormal input power supply, abnormal battery status,
abnormal charger hardware etc.. Power off and restart the charger to exit this warning page, and then
perform specific troubleshooting.
1. Power supply troubleshooting: Set the charging current to 0.8A, and then start charging. Normal
charging of the battery indicates insufficient or unstable power supply. Reduce the charging current or
replace the power supply to solve the problem.
2. Battery troubleshooting: Set the charging current to 0.8A, and then start charging. If the battery
cannot be charged normally, replace the battery and recharge it. If it still does not work, it may be a
hardware problem with the charger. Please contact RadioLink after-sales service.
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