Nokia 3285 - Manual (Page 16)

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• (NiMH batteries only) For optimal operation, discharge the battery
from time to time by leaving your phone switched on until it turns
itself off. You can also use the battery discharge feature of any
approved accessory available for your phone. Do not attempt to
discharge the battery by any other means.
• 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 circuiting 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.