TOPCHANCES 2 Pack Uniden Cordless Phone Compatible NiMh Battery 800mAh Replacement for the Uniden BT-446 Compatible for TCX800 TCX860 TCX905 TRU446 TRU446-2 TRU4462 TRU448 TRU448-2 TRU4482 Note:All the batteries have our logo "ele",you can only get guranteed from the brand TOPCHSNCES! Designed to meet or exceed performance of 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 800mAh/3.6V