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warm up first.
When the battery is not use, store it unchanged in a cool, dark and dry place.
The battery is a sealed unit with no serviceable parts. Do not attempt to open the case.
It is recommended that you allow your battery to fully discharge before you recharge it.
The battery can be charged and discharged hundreds of times but will eventually wear out.
When the operating time is shorter than normal, it is time to buy a new battery.
Do not dispose of a battery in a fire!
Dispose of used batteries in accordance with local regulations.
Recycle.