This is a pack of 2 replacement size d cell batteries not rechargeable dry battery alkaline 13a lr20 size d 15v for use with fenceman dp350b battery energiser code 41330 not rechargeable dry battery 15 volt 13a lr20 size d cell alkaline dry battery for use with fenceman dp350b battery energiser code 41330 if you require power for your fencing our range of energisers provide ample coverage and simplicity of operationfor battery energisers seecp250 const