battery holder 1.free samples 2.CE&ROHS 3.could be with cover and switch 4.high quality and competitive price battery holdermy factory is specialized in prodcing high and low frequency electronic elements and wires and cables,including F connector,TV plugs and jacks ,splitters, matching transformers,RCA plugs and jacks, Phone plugs and jacks,DC plugs,AC plugs ,AC sockers ,AC adaptors, banana ...