Preparation12 For assistance, please visit http://www.panasonic.com/consumersupportBattery performanceAfter your Panasonic battery is fullycharged, you can expect the followingperformance:*1 Handset is off the base unit but not inuse.Note:L Battery power is consumed wheneverthe handset is off the base unit, evenwhen the handset is not in use. Thelonger you leave the handset off thebase unit, the shorter you can actuallytalk on the handset. Actual batteryperformance depends on a combinationof how often the handset is in use andhow often it is not in use.L Once the battery is fully charged, you donot have to charge it again until“Recharge battery” is displayed or3 flashes. This will maximize thebattery life.Battery replacementIf battery performance diminishes, makesure you have cleaned the chargecontacts and fully charged the battery. Thebattery needs to be replaced if any of thefollowing are displayed after a few phonecalls even when you have fully charged thebattery.– “Recharge battery”– 3 (flashing)– “Charge for 6 HRS”– 4L Use only the rechargeable Panasonicbattery noted on page 5.1 Press the notch on the cover firmly andslide it as indicated by the arrow.2 Replace the old battery with a new one,and close the cover (see page 10 forbattery installation).Attention:A nickel metal hydride battery that isrecyclable powers the product you havepurchased.Please call 1-800-8-BATTERY forinformation on how to recycle this battery.Operation Operating timeWhile in use(talking)Up to 5 hoursWhile not in use(standby)*1Up to 11 daysWhile using theClarity Boosterfeature (page 21)Up to 3 hours