Title: C79EGMST CreationDate: 02/10/98 09:24:42

Handling Your Computer

Extending Your Computer's

Battery

Life

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

amount

of

battery

power

 

consumed

by

your

computer

de

on such conditions as the usage frequency, the operating

 

temperature,

and

the

period

 

in

storage

(if unused). The f

can

help

you

to extend the life of your battery:

 

 

 

If

your

battery is brand new and you

are

charging

i

 

time,

it

might

 

not

become

 

fully charged due to the ch

 

of the chemicals in the

cell. To maximize performance, e

 

that all chemicals in the battery are fully activated

 

 

battery (fully charge, then fully discharge) three

time

 

follow

this

procedure

if

you

stored

the

battery for

 

 

Do not charge the battery pack until all of its power

 

Recharging

a battery pack that is not completely discha

 

shorten

battery

life.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Once

you

start

charging the

battery

pack,

do

not

use

 

 

fully

charged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Whenever possible, use the ThinkPad battery power-saving

 

 

modes:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standby:

 

The

LCD

 

and

the

hard

disk

drive

are

turned

 

Suspend:

 

All

 

tasks

are

stopped

and

stored

in

memory

t

 

 

save

power.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hibernation:

 

All

tasks

are

stopped. The memory

data

and

 

 

the

current

status

of

the computer are stored on t

 

 

disk; then the power is turned off.

 

 

 

 

 

 

 

Decrease

the

 

LCD

brightness.

 

 

 

 

 

 

 

 

 

 

 

Use Advanced Power Management (APM). Each operating

 

 

 

 

system

comes

with

its

own

 

APM.

 

 

 

 

 

 

 

 

 

 

Stop

the

supply

of

 

power

to

the

 

internal

serial

devices

 

the

modem,

the

serial

port,

and

the

infrared

port,

if

 

 

in

use.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remove

the battery

pack

and

keep

it

in

a

cool

place

 

 

not

be

 

using

the

computer

 

for a

 

long

period.

 

 

 

 

Chapter 1. Getting Familiar with Your 39Computer

Page 57
Image 57
IBM C79EGMST manual Extending Your Computers Battery, Life