CO RODE 8 x AA 12V Battery Holder Case Box Wired ON/OFF Switch w Cover Pack of 2 Item NameBattery Case Material : Plastic, Metal Item Size12.6 x 7.1 x 2cm/5" x 2.8" x 0.8"(L*W*H);Cable Length( Each ) : 14cm/5.5" Battery Type : 8 x AA 12V; Holder Case Color : Black;Please do not connect the positive and nagative directly;also do not use this box charge battery Package: 2 x Battery Case Holder w Cover,Note:please do not use this 12v battery pack for high max currect output.