About Battery; Before Charging - SoftBank 840P User Manual

About Battery
1

Before Charging

Charge battery before use or after a period of disuse
(AC Charger sold separately).
Charging Time & Operating Time Estimates
Charging Time
Standby Time
Voice Call
Talk Time
Video Call
* Approximate value
⿟
3G Mode/GSM Mode: Z
⿟
Charging time is an average measured within temperatures of 5°C to 35
°C.
⿟
Talk Time is an average measured with a new, fully charged battery, with
stable signals.
⿟
Standby Time is an average measured with a new, fully charged battery,
with handset closed without calls or operations, in Standby with stable
signals.
⿟
Talk Time and Standby Time may vary by environment (battery status,
temperature, etc.).
1-10
3G
150 minutes*
460 hours* 360 hours*
230 minutes* 250 minutes*
110 minutes*
P.2-9

About Battery

⿟
Clean handset, battery & charger with dry cotton swab.
⿟
Replace battery if operating time shortens noticeably.
⿟
Charge battery at least once every six months.
⿟
Use a case when carrying battery separately.
Charging
⿟
Battery must be installed to charge it.
GSM
⿟
It may take longer for charging when handset is on.
⿟
Move charger away from TV/radio if interference occurs.
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