Page | 20Hybrid Inverter | Installer Manual
5. MAINTENANCE
5.1. Recharge Requirements During Normal Storage
Battery should be stored in an environment with temperature range between -10°C ~ +45°C,
and maintained regularly according to following table with 0.5C (25A) current till 40% SoC after
long storage time.
Recharge Conditions When In Storage
Storage Environment
Temperature
Relative Humidity of
Storage Environment
Storage Time
SOC
Below -10ºC
/
prohibit
/
-10~25
ºC
5%~70%
≤12 months
30%≤SOC≤60%
25~35
ºC
5%~70%
≤6 months
30%≤SOC≤60%
35~45
ºC
5%~70%
≤3 months
30%≤SOC≤60%
Above 45ºC
/
prohibit
/
5.2. Recharge Requirements When Over Discharged
Over discharged (90% DoD) battery should be recharged according to following table, otherwise
over discharged battery will be damaged.
Recharge conditions when battery is over discharged
Storage Environment
Temperature
Storage Time
Note
-10~25
ºC
≤15 days
Battery Pack disconnected from PCS
25~35
ºC
≤7 days
35~45
ºC
<12 hours
Battery Pack connected to PCS