G21636 - (Pkg 5) 3.6V 50mAH NiCad Rechargeable Battery
Small 3.6V 50mAH rechargeable NiCad battery is 1.2" X 0.625" H X 0.41" Thick. Has 0.4" L flexible color coded leads and tiny 2 slot female connector (which can be cut off if desired). Can be recharged over and over again. Sold in a package of 5.