Empire AT&T SANIK 27910 3SNAAA60HSJ1 Cordless Phone Battery for V-TECH Models Voltage: 3.6V; Capacity: 800mAh; Chemistry: Ni-MH. Battery Type: Rechargeable. Free shipping &amp; 1 year warranty. 100% compatible with your cordless phone. Talk time: 4-5 hours &amp; Standby time:10 hours on a single charge.