18KX-TG9120FXS/KX-TGA910FXS6.2.2. Battery ChargeNote:• 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 Strength6.2.4. Panasonic Ni-MH Battery Perfor-mance (included batteries)Note:• It is normal for batteries not to reach full capacity at the initialcharge. Maximum battery performance is reached after afew complete cycles of charge/discharge (use).• Actual battery performance depends on a combination ofhow often the handset is in use and how often it is not in use(standby).• Battery operating time may be shortened over time depend-ing on usage conditions and ambient temperature.• Even after the handset is fully charged, the handset can beleft on the base unit or charger without any ill effect on thebatteries.• The battery strength may not be displayed correctly after youreplace the batteries. In this case, place the handset on thebase unit or charger and charge for at least 7 hours.
