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7. Remarks
7.1 Storage
For long-term storage, e.g. if it needs to be stored for a long time (more than 6 months), the
battery modules are highly suggested to be stored in the temperature range of 5~45°C, relative
humidity <65% and corrosive-gas-freed environment. Before storage the battery should be
charged to 50~55% SOC.
It is recommended to discharge and charge the battery every 6 months, charge to full and
discharge to 50%. The longest discharge and charge interval shall not exceed 12 months.
Caution: If you don’t follow the above instructions for long term storage, the battery cycle
life will decrease heavily.
7.2 Capacity Expansion
A new battery module can be added onto the existing system at any time. Please make sure the
existing system is being fully charged before adding a new module. In a serial connection
system, the new module, even has a higher SOH, shall follow the system’s worst SOH condition
module to perform.
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