Microsoft RM-153 User Manual

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Battery information

Charging and discharging

Your device is powered by a rechargeable battery. The full
performance of a new battery is achieved only after two or
three complete charge and discharge cycles. The battery can
be charged and discharged hundreds of times but it will
eventually wear out. When the talk and standby times are

Battery information

noticeably shorter than normal, replace the battery. Use only
Nokia approved batteries, and recharge your battery only with
Nokia approved chargers designated for this device.

If a replacement battery is being used for the first time or if
the battery has not been used for a prolonged period, it may
be necessary to connect the charger then disconnect and
reconnect it to begin charging the battery.

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.

If the battery is completely discharged, it may take a few
minutes before the charging indicator appears on the display
or before any calls can be made.

Use the battery only for its intended purpose. Never use any
charger or battery that is damaged.

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Do not short-circuit the battery. 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.

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 15°C and 25°C (59°F and 77°F). A device with a hot
or cold battery may not work temporarily, even when the
battery is fully charged. Battery performance is particularly
limited in temperatures well below freezing.

Do not dispose of batteries in a fire as they may explode.
Batteries may also explode if damaged. Dispose of batteries
according to local regulations. Please recycle when possible.
Do not dispose as household waste.

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
an authorized Nokia dealer, look for the Nokia Original

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Enhancements logo on the packaging, and inspect the
hologram label using the following steps:

Successful completion of the four steps is not a total
assurance of the authenticity of the battery. If you have any
reason to believe that your battery is not an authentic original
Nokia battery, you should refrain from using it and take it to
the nearest authorized Nokia service point or dealer for
assistance. Your authorized Nokia service point or dealer will
inspect the battery for authenticity. If authenticity cannot be
verified, return the battery to the place of purchase.

Authenticate hologram

1 When looking at the hologram on

the label, you should see the Nokia
connecting hands symbol from
one angle and the Nokia Original
Enhancements logo when looking
from another angle.

2 When you angle the hologram

left, right, down, and up, you
should see 1, 2, 3, and 4 dots on
each side respectively.

3 Scratch the side of the label to

reveal a 20-digit code, for
example,

12345678919876543210. Turn
the battery so that the numbers
are facing upwards. The 20-digit
code reads starting from the
number at the top row followed
by the bottom row.

Battery information

4 Confirm that the 20-digit code is

valid by following the instructions
at www.nokia.com/batterycheck.

To create a text message, enter the
20-digit code, for example,
12345678919876543210, and send
to [phone].

National and international operator charges will apply.

You should receive a message indicating whether the code
can be authenticated.

What if your battery is not authentic?

If you cannot confirm that your Nokia battery with the
hologram on the label is an authentic Nokia battery, please do
not use the battery. Take it to the nearest authorized Nokia
service point or dealer for assistance. The use of a battery that
is not approved by the manufacturer may be dangerous and
may result in poor performance and damage to your device

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and its enhancements. It may also invalidate any approval or
warranty applying to the device.

To find out more about original Nokia batteries, visit
www.nokia.com/battery.

Battery information

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