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Extreme temperatures have an adverse effect on the performance
of your battery.
Use the battery only for its intended purpose. Do not use damaged
chargers or batteries.
Do not short-circuit the battery. An unintentional short-circuit may
occur when the plus and minus poles of the battery are connected
directly by means of a metallic object. Short-circuiting the poles may
cause damage to the battery or the connecting object.
Do not throw batteries into fire as there is risk of explosion!
Batteries can also explode if they are damaged. Batteries must be
disposed of properly!
Do not attempt to open or destroy batteries. If a battery features
liquid leaking from it, make sure that this liquid does not come into
contact with the skin or eyes. In case of contact with skin or eyes,
rinse immediately with plenty of water or seek medical advice.
Dispose of batteries according to official regulations (e.g.,
regarding recycling). Never dispose of batteries together with
household waste.
Keep temperatures between 15°C and 25°C. A phone with a too
cold or warm battery may not work temporarily, even if the battery
is fully charged. The battery performance is particularly affected at
temperatures below freezing.