11PreparationFor assistance, please call: 1-800-211-PANA(7262)RechargeRecharge the battery when:—“Recharge” is displayed on the handset,—“ ” flashes on the display, or—the handset beeps intermittently while it is in use.•If you DO NOT recharge the handset battery for more than 15 minutes, the displaywill continually indicate “Recharge” and/or “ ” will flash when the handset islifted off the base unit or the charger.•If the battery has been discharged, the handset will display “Charge for 15h”when you place the handset on the base unit or the charger. The handset will notwork. Keep charging until fully charged.Battery informationAfter your Panasonic battery is fully charged (p. 10):•The battery operating time may be shortened depending on usage conditionsand ambient temperature.•Clean the charge contacts of the handset, the base unit and the chargerwith a soft, dry cloth once a month. Clean more often if the unit is subjectto grease, dust or high humidity. Otherwise the battery may not chargeproperly.•If the battery is fully charged, you do not have to place the handset on the baseunit or the charger until “Recharge” is displayed and/or “ ” flashes. Thiswill maximize the battery life.•The battery cannot be overcharged.RechargeNeeds to be recharged.Battery strengthYou can check the battery strength on the handset display.The battery strength is as shown in the chart below.Display prompt Battery strengthFully chargedMediumLow(flashing)Up to 7 daysOperation Operating timeWhile in use (TALK) Up to 4 hoursWhile not in use (Standby)