Huawei ES8100 Manual page 16

Replace the battery cover.
3.
Charging the Battery
Ensure that the battery is inserted into the phone correctly
before charging.
Connect the USB cable that came with your mobile phone to
1.
the charger.
Connect the other end of the USB cable to your phone. Then,
2.
to start charging, plug the charger into an electrical outlet.
Important Information About the Battery
If the battery has not been used for a long time, you may not

be able to power on your mobile phone immediately after
you begin charging the battery. Allow the battery to charge
for a few minutes with the phone powered off before
attempting to power the phone on.
Over time, the battery will not hold a charge for as long as it

did when it was new. When the battery life becomes
noticeably shorter than usual after being charged properly,
replace the battery with a new one of the same type.
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