Publicité
Estimate the Battery SOC (State of Charge)
The SOC values listed below are estimated based on the resting voltage when the battery is at rest
for 30 minutes, not in charging or discharging state.
SOC
100%
95%
90%
70%
50%
Troubleshooting
No.
Fault
Interruptions during
1
continuous high power
charging or discharging
2
No DC output
Power supply time is
3
too short
Battery can't be charged
4
fully
The charging and
5
discharging capacity is
insufficient
Unable to charge and
6
discharge
Different SOC value of
7
batteries in parallel
Maintenance
Item
• Check for any mechanical damage to the power cables and
ensure that the insulation sleeves and cables are installed
securely. If any cable damage is found, replace the cables.
Power cables
• Check whether there are loose screws or copper bus bar
discoloration. If screws are loose, tighten them using a
standard torque wrench. For discolored copper bus bars,
contact customer service for replacement.
1 0
Voltage
13.6V
13.4V
13.35V
13.3V
13.25V
Analysis
Overtemperature
Protection
Low voltage
Battery capacity lack or
failure to fully charge
due to battery cell
failure
DC output voltage in the
power system is below
the minimum charge
voltage
Cell voltage imbalance
BMS or cell/temperature
sensor damaged
Normal phenomenon
Instruction
SOC
30%
20%
10%
5%
0%
Solution
1. Disconnect the input or output
2. Allow the battery to rest for a
period of time for the temperature to
drop completely before resuming use
Charge the battery
Replace a new battery
Adjust DC output voltage in the
power system
Check or balance the cell
Replace a new battery
Recharge each battery to full charged
Voltage
13.2V
13.0V
12.8V
12.6V
10.0V
Interval
Once every 6
months
Publicité
