Ericsson GH388/GF388 User Manual download pdf (Page 47)

Supplementary Information

26. Batteries and Recharging

Batteries

Batteries with different capacities are available.

They are all of the NiMH type. (NiMH stands for

Nickel Metal Hydride.)

Compared to the commonly used NiCd (Nickel

Cadmium) batteries, the NiMH batteries have a

higher capacity and they are much more friend-

ly to the environment.

Battery meter

The battery icon, on the right of the display, re-

flects the state of charge of the battery attached

to the phone.

Low Battery alarm

As a reminder that the battery soon needs re-

charging or replacing, an alarm signal (a long

beep) sounds and the message

Battery low

appears for ten seconds in the display.

In addition, the indicator light on the top edge of

the phone starts blinking red. If the phone is

left on, the low battery alarm will be repeated

several times and, finally, the phone will turn

itself off when the battery is no longer able to

power it satisfactorily. It is not possible to turn

the phone on again. Instead the battery must be

recharged, or replaced with a charged one.

If the condition of a battery is very bad, the

phone will turn itself off immediately after the

low battery alarm is issued for the first time.

Low battery alarm during a call:

If the low battery alarm is issued when a call is

in progress, you should end the call as quickly

as possible. If the call continues, the phone will

turn itself off after a short period.

Recharging a battery

Besides the charger delivered with the phone,

there are a number of other chargers available

that can be used to recharge a battery.

Some of these chargers are connected to the

socket at the bottom of the phone, allowing

the battery to remain attached to the phone.

Such a charger both recharges the battery and

supplies power to the phone. The recharging is

controlled by the phone, which must be turned

on. To indicate that recharging is in progress,

the battery icon in the display is filled and

emptied continuously.

The indicator light on the top edge of the phone

shows green constantly (instead of slowly blink-

ing green) when the phone is powered via the

socket at the bottom, to indicate that service is

available from a cellular network.

Battery care and maintenance

A battery has a long maintenance-free service

life if properly treated.

●

A new battery, or an old battery that has not

been used for a long period of time, needs

to be recharged and discharged 2 – 3 times,

to reach full capacity. To discharge the

battery, operate the phone as usual until the

low battery alarm is issued.

●

Avoid recharging a full, or almost full,

battery. If you have the opportunity, wait until

the low battery alarm is issued.

●

Do not keep a battery in a sunny place.

Extremely high temperatures reduce the

battery’s capacity permanently.

●

Never let a battery get into contact with

metal objects that may short-circuit the

battery poles, for example a bunch of keys

in a pocket.

EN/LZT 126 1298 R1A 47

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Ericsson GH388/GF388 User Manual Page 47

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