Nokia E5 User Manual page 186

186 Product and safety information
Proper charging. Unplug the charger from the electrical
plug and the device when not in use. Do not leave a fully
charged battery connected to a charger, since
overcharging may shorten its lifetime. If left unused, a fully
charged battery will lose its charge over time.
Avoid extreme temperatures. Always try to keep the
battery between 15°C and 25°C (59°F and 77°F). Extreme
temperatures reduce the capacity and lifetime of the
battery. A device with a hot or cold battery may not work
temporarily. Battery performance is particularly limited in
temperatures well below freezing.
Do not short-circuit. Accidental short-circuiting can occur
when a metallic object such as a coin, clip, or pen causes
direct connection of the positive (+) and negative (-)
terminals of the battery. (These look like metal strips on
the battery.) This might happen, 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.
Disposal. Do not dispose of batteries in a fire as they may
explode. Dispose of batteries according to local
regulations. Please recycle when possible. Do not dispose
as household waste.
Leak. Do not dismantle, cut, open, crush, bend, puncture,
or shred cells or batteries. In the event of a battery leak,
prevent battery liquid contact with the skin or eyes. If this
happens, flush the affected areas immediately with water,
or seek medical help.
Damage. Do not modify, remanufacture, attempt to insert
foreign objects into the battery, or immerse or expose it
to water or other liquids. Batteries may explode if
damaged.
Correct use. Use the battery only for its intended purpose.
Improper battery use may result in a fire, explosion, or
other hazard. If the device or battery is dropped, especially
on a hard surface, and you believe the battery has been
damaged, take it to a service centre for inspection before
continuing to use it. Never use any charger or battery that
is damaged. Keep your battery out of the reach of small
children.
Important: Talk and standby times are
estimates only. Actual performance depends on many
factors such as network conditions, device settings
selected, device features being used (or running in the
background), battery condition and ambient temperature.
Making calls with the device affects the standby time and
the amount of time in standby mode affects the talk time.
Nokia battery authentication guidelines
Always use original Nokia batteries for your safety. To
check that you are getting an original Nokia battery,
purchase it from a Nokia authorised service centre or
dealer, and inspect the hologram label using the following
steps:
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