GEILIENERGY (Pack of 4) 2.4V Rechargeable Batteries Compatible with Uniden BT-1025 BT1008 BT-1008 BT1016 BT-1016 BT1021 BT-1021 WITH43-269 WX12077 Sanyo CAS-D6325 CASD6325 Cordless Phone AAA*2 Nickel Metal Hydride, 300mAh, 2.4V DC Over-voltage, over-current, over-charge, and short-circuit protection & Best wire Length for the space 100% compatible with original manufacturer equipments and chargers Higher Quality cells that meet original Battery Choose one better than buying new phones BT1021 battery is different from BT1007 . Their connector and voltage are the same ,but battery cells are different .Do not mix them please. BT1021 is made with AAA*2 battery cells and BT1007 is made with AA*2 battery cells,the latter is longer. <span class="a-text-bold">Dimension:</span>1.73*0.79*0.39inch(44mm*20mm*10mm) <span class="a-text-bold">Voltage</span>:2.4V <span class="a-text-bold">Capacity:</span>300mAh <span class="a-text-bold">Battery type</span>:NiMH <span class="a-text-bold">Apply for</span>BT1021 BT1008 <span class="a-text-bold">For Uniden DECT 6.0 Phone Systems</span>: D1361, D1361BK, D1364, D1364BK, D1384, D1384BK, D1384-2, D1384-2BK, D1384-4, D1384-4BK, D1481, D1481-3BK, D1483, D1483BK, D1483W, D1660, D1660-2, D1660-2T, D1660-3, D1660-4, D1680, D1680-2, D1680-3, D1680-3T, D1680-4, D1680-8, D1685, D1685-2, D1685-3, D1685-4, D1685-5, D1688, D1688-2, D1688-2T, D1688-3, D1688-4, D1688-5, D1760, D1760-2, D1760-2W, D1760-3, D1780, D1780-2, D1780-2BT, D1780-2W, D1780-3, D1780-3BT, D1780-4, D1785, D1785-2T, D1785-2T, D1785-3T, D1788, D1788-2, D1788-3, D1788T, D1880, D2997, D2998, D3097, D3097S, D3098, D3098S, D3580-2, D3580-3, D3588, D3588-2, D3588-3, DECT1363BK, DECT2060, DECT2060-2, DECT2080, DECT2080-2, DECT2080-2W, DECT2080-3, DECT2080-4, DECT2080-5, DECT2085, DECT2085-2, DECT2085-2W, DECT2085-3, DECT2085-4, DECT2085-4WX, DECT2085-5, DECT2088, DECT2088-2, DECT2180, DECT2180-2, DECT2180-3, DECT2180-4, DECT2185, DECT2185-2, DECT2185-3, DECT2188, DECT2188-2, DECT2188-3, DECT2188-4, DECT2188-5, DECT2662, DECT2662-2, DECT2882, DECT2882-2, DECT2882-3, DECT2888, DECT2888-3, WXI2077. <span class="a-text-bold">Cordless Handsets:</span> DCX160, DCX170, DCX170BT, DCX170T, DCX170W, DCX200, DWX207, DCX210, DCX291, DCX309, DCX350 The left side of the plug is MSM plug. When you are not sure whether you purchase the right one ,please refer to the picture we provide. Standard Testing ConditionS tandard ChargeF ast ChargeR apid chargeN ominal CapacityC ycle Life Short test