Shrink-wrapped barrel-shaped battery (made of three stacked cylindrical cells) with two wires and two pin connector. 3.6 Volt NiCad Battery. Fits models; AGI 386SX/20, Allur 386SX, Altec 386SX/20, Altima 486SLC/33, Amrel 386SXL/25, Arc HGE 386SX, Arc HGE Flex3000, Austin 386SX, Blackship 386SX/20, BSR 386SX, Chicony 386SX, DTK DLT2000, DTK DLT2500, DTK DLT2501, DTK DLT3300, DTK DLT3301, DTK DLT3311, DTK NB4