3 Packs Cordless Home Phone Battery for Uniden BT1008 BT-1008 BT1016 BT-1016 BT1021 BT-1021 WITH43-269 WX12077 Sanyo CAS-D6325 Lot of 3 - High Quality Replacement product by Gator Crunch Internal cells of higher capacity than original battery! Battery shrink wrap casing made of 100% post consumer recycled product Unique design only allows battery connector to be installed one way, preventing short circuiting of the battery and device Internal cells are of superior quality to the original battery that shipped with the device. Works with multiple models, listed below - Use CTRL+F to find your model Extended talk time / Battery is immune to negative "memory effect"