Panasonic KX-TG2130W KXTG2130 User Guide - Page 9

Recharging the battery Recharge the battery when: - "RECHARGE" is displayed, " " is displayed, or - the handset beeps intermittently while it is in use. Panasonic battery performance Operation Operating time While in use (talking) Up to 5 hours While not in use (standby) Up to 5 days Note: L Battery operating time may be shortened over time depending on usage conditions and surrounding temperature. L Battery power is consumed whenever the handset is off the base unit, even when the handset is not in use. Hence the longer you leave the handset off the base unit, the less time you may actually talk using the handset. L If the battery is fully charged, you do not have to place the handset on the base unit until "RECHARGE" and/or " " are displayed. This will maximize the battery life. Preparation For assistance, please visit http://www.panasonic.com/help 9