Axiom (TM) Cordless Home Phone Battery for Uniden BT-1007 BT-1015 Axiom (TM) Replacement Battery For Uniden BT-1007 Cordless Phone This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life Ni-MH Long Lasting Battery Voltage 2.4V Compatible with Uniden: BBTY0624001, BT1007 and Radio Shack: 239096