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×´¯`× MOBI INFO. |2| ×´¯`×

How to increase life of
your mobile Phone Battery

Are you the kind of person for
whom a mobile phone is more
than just a necessity and is
more of a lifeline? And you wish
your battery did not run out
on you so often? It is possible
to get more out of your
battery, you just have to keep
a few things in mind.


Prevent the Memory Effect -
Keep the battery healthy by
fully charging and then fully
discharging it at least once
every two to three weeks.
Exceptions to the rule are Li-Ion
batteries, which do not suffer
from the memory effect. Do not
leave the battery dormant for
long periods of time.

Always use a battery charger,
which is by the same
manufacturer as your phone, it
gives it more life. It also helps if
you overcharge your battery
now and then.

Keep the Batteries Clean - It's a
good idea to clean dirty
battery contacts with a cotton
swab and alcohol. This helps
maintain a good connection
between the battery and the
portable device.

Do not leave your cell phone
near any source of heat, a
common place being the
dashboard of your car, as
extreme heat may affect the
battery. The battery also
operates better at room
temperature, vis-à-vis extreme

The vibrator mode of your cell
phone consumes more battery,
so when not needed, use the
ring-tone mode.

Battery Storage - If you don't
plan on using the battery for a
month or more, store it in a
clean, dry, cool place away from
heat and metal objects.
Batteries tend to de-charge
when not in use, so make sure
you charge them again before
using. The performance of any
cell phone battery, however, no
matter how properly cared for,
usually diminishes after about a
year. It is better to get your
battery replaced then.

NiMH Li - Ion and Lithium

Made from Nickel Metal Hydride.

Made from Lithium Ion.

Higher energy density. Twice
the capacity of NiCad.

Same energy as NIMH, but weigh
20-35% less.

More run time. More run time,
at lighter weight, thus ideal for
cell phones, camcorders etc.

Battery's capacity reduces over
time due to frequent

Can be recharged without
capacity reducing

Environment friendly, since they
do not contain heavy metals.

Environment friendly, as they
do not contain mercury or
cadmium and other such toxic

Require less maintenance.

Require little maintenance.

Phones cost- Rs. 4 ,000 to Rs.6

Phones cost- Rs. 3 ,000 to Rs. 45


My new battery isn't
charging. Is it defective?

One needs to discharge and
recharge a new battery at
least 2-4 times for it to reach
it's maximum rated capacity, as
most of these new batteries,
are not charged. An overnight
charge or 12 hours, is a good
enough time for your battery.
An indication could be the
battery getting warm to the
touch. When charging the
battery for the first time, the
device may i
indicate that
charging is complete after just
10 or 15 minutes. This is normal

rechargeable batteries. New
batteries are hard for the
device to charge; they have
never been fully charged and
not "broken in." Sometimes the
device's charger will stop
charging a new battery before
it is fully charged. If this
happens, remove the battery
from the device and then
reinsert it. The charge cycle
should begin again.

What is "memory effect"?

A partially discharged battery
at times does not fully
discharges before recharging. It
sort of "forgets" to do so. This
is what is the memory effect.
For e.g. if you fully charge your
battery and then use only 50%
of its capacity before the next
recharge, eventually the
battery will become unaware of
its extra 50 % capacity, which
has remained unused. The
battery will remain functional,
but only at 50% of its original
To deal with this,
always fully discharge your
battery, before recharging it.
This can be done by, unplugging
the device's AC adapter and
letting the device run on the
battery until it ceases to
function. This will help your
battery remain healthy.

What Are Volts and
Milliamp-hours (mAH)?

These are ratings on every
battery. Milliamp-hours or
(mAH), is one-thousandth of an
amp-hour (1 AH = 1000mAH). The
voltage of the new battery
should always match the
voltage of your original unless
the batteries are different
chemistries. NiMH and Li-Ion
batteries have different
voltage ratings, even if they're
for the same device.

How long do typical
batteries last?

Generally, 11 /2 - 3 years, or
500-800 charge-discharge
cycles. As the rechargeable
battery begins to die,
there is
a decline in the running time of
the battery, till it reaches to
50% of its running time, and
you need a new battery.

Can I recycle my old

NiCad, NiMH and Li-Ion batteries
should be recycled. Be
environmentally conscious - do
NOT throw these batteries in
the trash.

How long will my new
battery run?

Battery run-time is difficult to
determine. Actual battery
running time depends upon the
power demands made by the
mobile phone. The use of the
screen, the device and other
accessories results in an
additional drain upon the
battery, effectively reducing its
running time. The total run-time
of the battery is also
dependent upon the design of
the mobile phone.


Battery Do's:

Fully charge/discharge battery
up to 4 cycles before achieving
full capacity of a new battery

Fully discharge and then fully
charge the battery every two
to three weeks.

Run the device under the
battery's power until it shuts
down or until you get a low
battery warning. Then recharge
the battery as instructed in
the user's manual.

Remove from the device and
store in a cool, dry, clean place
if the battery will not be in use
for a month or longer.

Recharge the battery after a
storage period Ensure maximum
performance of the battery by
optimizing the device's power
management features. Refer to
the manual for further

Battery Don'ts:

Do not short-circuit. A short-
circuit may cause severe
damage to the battery.

Do not drop, hit or otherwise
abuse the battery as this may
result in the exposure of the
cell contents, which are

Do not expose the battery to
moisture or rain.

Keep battery away from fire or
other sources of extreme heat.
Do not incinerate. Exposure of
battery to extreme heat may
result in an explosion


Turn off the phone, take out
the battery and put it in again.
Rest batteries for 24 hours
before charging. It is known
that generally even when your
phone is "sleeping", it is not.

Protect your phone against

The International Mobile
Equipment Identity umber (IMEI)
(a 15 digit code) is programmed
in the phone at the time of
manufacture. This will help the
police track down the phone if
it is stolen. To know this
number: 1 . Type *#06 # on the
mobile. 2 . A number appears. 3 .
Confirm this with the number on
the battery. If this does not
match then it means that the
phone has been tampered with
or is refurbished. 4. Note the
number in a safe place.

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