This portable 12V battery box has all the common connections you would typically need for your outdoor recreation power needs. The box with carry handles is capable of holding a deep cycle battery up to 100Ah (sold separately), which secures in place with the supplied webbing strap. High current power connectors include two 50A Anderson Style Connectors, insulated bolt terminals (wing nut), and a 12V cigarette lighter socket with over current protection. There is also a dual-port USB to charge your Smartphone and similar USB devices, and a voltmeter to help monitor the battery level. Features:• Suits batteries up to 100Ah• Dual 50A High Current Plugs• 12V Cigarette Socket• Dual USB Ports• LED Voltmeter• Circuit Breaker SwitchSpecifications:Dual-Port USB: 5VDC 1A, 5VDC 2.1APower Socket: 12VDC, 16AHigh Current Connector: 50A