Storage

WARNING

Fire and explosion hazard

The battery pack may release flammable gases, which may result in a fire or even an explosion.
Store the battery pack in a space with adequate ventilation, never in an airtight container or bag.

Observe the following storage conditions, in order to maintain the service life of the battery pack:

Store the battery pack in discharged state.
Remove the fuse from the battery pack.
Store the battery pack at room temperature or below.
Do not store the battery pack in a dusty environment, at high humidity or in location with strong vibrations.

If the battery pack is stored for 3 months or more, it must be recharged at regular intervals.

Recharging intervals depending on the storage temperature.
Storage temperature	Recharge after
Below 20 °C	12 months
20°C to 30°C	9 months
20°C to 40°C	6 months

Recharge the battery pack after 12 months at the latest. Avoid deep discharge of the battery pack.

Self-discharge behavior at 25°C.
Period	Battery pack charge (%)
after 3 months	91% charge
after 6 months	82 % charge
after 12 months	64 % charge