... which use 12V DC power. You can use this battery to power our powerful wireless transmitter, CCTV camera,monitor ... be in the range of the output of the battery ,otherwise it can do harm to the applince. ... To avoid the decending capacity,the battery must not be put away over 1 year Away ... in cool dry place. Package include:1 x Rechargeable battery 1 x adapter 1 x power wire 1 x ...