17KX-TG7120BXS/KX-TG7120BXT/KX-TGA711CXS/KX-TGA711CXT6.2. Battery6.2.1. Battery Installation/ReplacementImportant:• Use only the included rechargeable batteries HHR-55AAABor HHR-4EPT.• When replacing batteries, we recommend using thePanasonic rechargeable batteries P03P.Notice:When inserting the batteries:• Wipe the battery ends ( , ) with a dry cloth.• Install the batteries without touching the battery ends ( ,) or the unit contacts.I fullly charged the batteries, but the operating timeseems to be short:• Wipe the battery ends ( , ) and the unit contacts with adry cloth.6.2.2. Battery ChargePlace the handset on the base unit or charger for about7 hours before initial use.When charging, the battery icon is shown as follows.When the batteries are fully charged, remains on thedisplay.• The charge indicator lights up when the handset is placed onthe base unit or charger.Note:• It is normal for the handset to feel warm during charging.• If you want to use the unit immediately, charge the batteriesfor at least 15 minutes.• Clean the charge contacts of the handset, base unit, andcharger with a soft, dry cloth, otherwise the batteries maynot charge properly. Clean if the unit is exposed to grease,dust or high humidity.6.2.3. Battery Strength
