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10 Maintenance
10 Maintenance
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If the ambient temperature for storage is -20°C~50°C, recharge the batteries
at least once every 3 months.
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If the ambient temperature for storage is 0°C~40°C, recharge the batteries at
least once every 12 months.
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If the battery(ies) has(have) not been used for more than 9 months, the bat-
tery(ies) must be charged to at least SOC 50% each time.
■
For the first installation, the interval among manufacture dates of batteries
shall not exceed 3 months.
■
If a battery is replaced or added for capacity expansion, each battery’s SOC
should be consistent. The max. SOC difference should be between ±5%.
■
If users want to increase their battery system capacity, please ensure that the
SOC of the existing system capacity is about 40%. The manufacturer date of the
new battery shall not exceed 6 months; in case of exceeding 6 months, please
charge the new battery to around 40%.
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In the allowable range, the relative humidity range should be between 5% and
95%RH.
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