SPS Brand 2.4V 650 mAh Replacement Battery for AT&T BT8001 (8 Pack)
Cordless Phone Battery Works with Radio Shack 23930 Cordless Phone NiMH 24V 800 mAh Compatible with Uniden BT1018 BT1011 BT1022 BT8001 BATT6010 BT18 Battery Standard Batteries & Chargers - Newegg.com