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• Temperature extremes will affect the ability of your
battery to charge: allow it to cool down or warm up
first.
• Use the battery only for its intended purpose.
• Never use any charger or battery which is damaged
or worn out.
• Do not short circuit the battery. Accidental short cir-
cuiting can occur when a metallic object (coin, clip, or
pen) causes direct connection of the + and - terminals
of the battery (metal strips on the back of the battery),
for example when you carry a spare battery in your
pocket or purse. Short circuiting the terminals may
damage the battery or the connecting object.
• Leaving the battery in hot or cold places, such as in a
closed car in summer or winter conditions, will reduce
the capacity and lifetime of the battery. Always try to
keep the battery between 59º F and 77º F (15º C and
25º C). A phone with a hot or cold battery may
temporarily not work, even when the battery is fully
charged. NiMH batteries’ performance is particularly
limited in temperatures below 14º F (-10º C). Li-Ion
batteries’ performance is particularly limited in
temperatures below 32º F (0º C).
• Do not dispose of batteries in a fire!
• Dispose of used batteries in accordance with any
local regulations.