Uniden ANA9620 English Owners Manual - Page 11

! Use only the sealed lead-acid battery (part # BT9000) supplied with this phone. INSTALLING THE BATTERY 1. Remove the battery cover by pressing the latch and sliding the cover down and off of the handset. 2. Slide the battery down into the NOTCH handset. Note: The ANA9620 has a low battery protection system which allows the battery to be replaced while in operation, as long as it is replaced within 20 seconds. 3. Place the cover and slide the cover up until it latches into the handset. NOTE Charge the battery without interruption for 5 hours. NOTE The Charge 1 indicator light does not go off, even when the charge is complete.  CHARGING THE BATTERY The rechargeable sealed lead-acid battery must be fully charged before using your ANA9620 for the first time. 1. Place the handset in the front slot of the charging unit. 2. Make sure the CHARGE 1 indicator lights. If the CHARGE 1 indicator doesn’t light, check to see that the AC adapter is plugged in, and that the handset is making good contact with the charging unit . Two charge pockets are available on the ANA9620, with separate indicator lights for each. The handset battery and the second battery may be charged simultaneously.