BT 2100 User Manual page 10

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The handset uses two rechargeable
Nickel Metal Hydride Ni-MH) AAA
batteries which are supplied. Take
care to insert the batteries as shown
and then fit the battery cover (this
can be found in the packaging with
the batteries).
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Before you use your Freestyle 2100
for the first time, it is important to
have the batteries fully charged.
The batteries need to charge
continuously for at least 16 hours to
reach full charge.
Place the handset on the base, the
battery icon will initially show empty.
After a short time period the battery
icon will show 100%. This means
that the battery is charging and does
not mean that the handset is fully
charged.
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Once the battery has been fully
charged (after the initial 16 hours)
and the handset is removed from
the base the battery icon will show
50%, this shows that the battery is
charging correctly.
If the handset battery symbol is empty and
flashing, you will need to recharge your
handset before you can use it.
Under no circumstances should
non-rechargeable batteries be used. Only use
the approved batteries, type: rechargeable
Nickel Metal Hydride (NiMH); Size AAA;
Capacity 600 mAh. Using unapproved
batteries will invalidate your guarantee and
may damage the telephone.
To keep your batteries in the best condition,
leave the handset off the charger for a few hours
at a time (after the initial 16 hour charge).
Please note, however, that new Nickel Metal
Hydride (Ni-MH) batteries do not reach their
full capacity until they have been in normal
use for several days.