·If you found the battery can not be fully charged to its full voltage
rating(14.6V/29V/58V), the charge tools may not compatible with it, you could check
if the charger/controller contains the proper output voltage for LiFePO4 battery.
·If the charger is suitable, but the battery still can not be fully charged, it’s may due
to the fault in BMS. With glove and some tools, you could open the top cap of the
battery, take out the BMS board, and directly connect the cells wire to the terminals,
then try to charge it without BMS, it’ll be safe if you have a charger/controller with
protections.
·If the connected batteries could not reach the rated capacity, it may because that
the unbalancing charging process causes voltage difference among those individual
batteries You could disconnect them first, and try to charge them one by one, to see
if each battery is in good condition.
· If the battery is over discharged and triggers the over-discharge protection, please
remove the load or inverter, keep the charge process until it recovers. If it’s still can
not be re-charged, try to remove the controller, use a solar panel or something else
with voltage higher than 15V to directly boot it.
Battery Voltage & Actual Capacity
Troubleshooting
- 9 -
13.6V
13.4V
13.3V
13.2V
13.1V
13.0V
12.9V
12.8V
12.5V
12.0V
10.0V
100%
99%
90%
70%
40%
30%
20%
17%
14%
9%
0%
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