cecotec CONGA ROCKSTAR MICRO 12000 Manual De Instrucciones página 11

Avoid contact between the battery and small metallic objects
such as paper clips, coins, keys, nails or screws.
Before a new battery is used or the battery is used for the first
time after long-term storage, fully charge the battery. When
the device is stored and not used for long periods of time,
ensure that the battery pack is fully charged, and ensure that
the battery is charged and discharged at least once every three
months.