Siemens SL42, SL45i manual ;

19.3.02 SL42-SL45-ger.fm U35 /SL45i- English, A31008-H4860-A1-3-7619
9
Battery
;The voltage indicated on the
Sync Station must not be
exceeded.
Charging
The charger heats up when used for long
periods. This is normal and not dangerous.
TWhen charging is in pro gress.
eEnd of charging
An empty battery is fully charged after
about 2 hours. Charging is only possible in
an ambient temperature of 5°C to 40°C
(the charge icon flashes as a warning when
the temperature is 5°C above/below).
Usage time
A fully charged battery provides 80 to 230
hours of standby time or 1½ to 5½ hours of
talk time. The standby times/talk times are
average values; the actual values depend
on the operating conditions (see table
below).
Charge level display:
Fully
a bc
Empty
charged
A beep sounds when the battery is nearly
empty.
Operation
carried out
Time
(min)
Decrease of
standby time
Calling 1 30 - 60 min.
Playing music 30 20 - 30 h.
Display
backlight*
½30 min.
Network search 1 5 - 10 min.
*Key input, games, organiser etc.