Panasonic KX TC910DB - Manual (Page 10)

Setting Up
Battery Charge
Place the handset on the base unit for about 15 hours.
Recharge
When the TALK/BATT LOW indicator
flashes slowly or the unit beeps
intermittently, recharge the battery.
If you do not want to wait until the
battery is fully recharged, we
recommend you purchase an optional
spare battery {page 24).
Standard battery life
If your Panasonic battery is fully charged;
While in use (TALK) Up to about 4.5 hours
While not in use (Stand-By) Up to about 14 days
«* Battery life may vary depending on usage conditions and ambient
temperature.
o Clean the handset and the base unit charge contacts with a dry soft
cloth once a month, or the battery may not charge properly,
o Once the battery is fully charged, you do not have to place the handset on
the base unit until the TALK/BATT LOW indicator flashes slowly,
o The battery cannot be overcharged.
10