Geilienergy BT-17333 BT-27333 Handset Telephone Rechargeable Battery 2/3AA 3.6V NI-CD Cordless Phone Battery Compatible with Vtech BT17333 BT27333 BT-17233 BT17233 BT-163345 CS5121 (Pack of 1) Low power consumption IC design. Compatible with original manufacturer equipments and chargers. High quality and reasonable price; More durable and more environmental. It has the function as same as original battery, but it is more of tangible benefits. Voltage: 3.6V. Capacity: 400mAh. Color: White. Chemistry: Ni-Cd. <span class="a-text-bold">Voltage</span>:3.6V <span class="a-text-bold">Capacity</span>:400mAh <span class="a-text-bold">Battery type</span>:Ni-CD <span class="a-text-bold">Dimension</span>:1.65*1.18*0.43inch(42mm*30mm*14mm) <span class="a-text-bold">Battery size</span>:2/3AA*3 <span class="a-text-bold">VTech</span>:89-1332-00-00  89-1338-00 8013380000 8913320000 89133800 BT-163345 BT-263345 BT-17233  BT-27233 BT-17333 BT-27333 BT17233 BT27233 BT17333 BT27333 BT163345  BT263345 CS2111 CS5111 CS5111-2 CS51112 CS5121 CS5121-2 CS51212 CS5121-3  CS51213 CS5121-4 CS51214 <span class="a-text-bold">AT&amp;T</span>: 01839 24112 4128 89-1332-00-00 89-1338-00-00 8913320000 8913380000 EL41108 EL41208 EL42108 EL42208 EL42258 EL42308 EL42408 <span class="a-text-bold">Empire</span>:CPB-403J CPB403J CPH-403J CPH403J <span class="a-text-bold">Southwestern Bell</span>:31175 425083 BAT1188 BP-36MLX BP-36MLX400 ATT2422  BT17333 . Their cbattery cells and voltage are the same ,but their connector are different . When you are not sure whether you purchase the right one ,please refer to the picture. Please make sure the connector is the same type with your original battery before buying This Ni-cd Battery is 5264 plug and rectangle. Please check and make sure it is the same as your original ones before  buying Standard Testing Condition Standard Charge Fast Charge Rapid charge Nominal Capacity Cycle Life Short test