- Gomadic Kit includes ability to charge the Samsung DualView ST100 battery from a variety of power sources including AC wall outlets, DC car cigarette ports, or any standard USB port - Intuitive color coded LED light indicators display when the battery is properly connected, in charging state, and fully charged. Super easy to use! - Specification: Samsung DualView ST100 Supported, Dimensions: 2.0 X 4.0 X 0.5 inches, Power Input: 110-240 VAC, USB Output Power: 5.0 VDC - Fast, light weight, flexible and very compact form factor. Advanced internal circuitry protects from power surges, accidental reverse polarity, and overcharging. - Adjustable Contact System (ACS) can be tailored to accept various battery shapes and sizes.