High quality batteries for Compaq Mini laptop from United Kingdom at lowest prices,fast shipping and warranty 1 year. One Supplied 1 65mm Centre Pin Jack only excludes harness you will have to reuse harness List of compatible models * Compaq Mini Series Netbook. The CMOS battery Mini CQCA gets in charged when the COMPAQ laptop is plugged into the mains. CMOS batteries come in different shapes and sizes.