Gomadic Compact Multi External Battery Charge System designed for the Garmin GLO. USB, Car and Wall charging connections Intuitive color coded LED light indicators display when the battery is properly connected, in charging state, and fully charged. Super easy to use! Specification: Garmin GLO Supported, Dimensions: 2.0 X 4.0 X 0.5 inches, Power Input: 110-240 VAC, USB Output Power: 5.0 VDC Gomadic Kit includes ability to charge the Garmin GLO battery from a variety of power sources including AC wall outlets, DC car cigarette ports, or any standard USB port Fast, light weight, flexible and very compact form factor. Advanced internal circuitry protects from power surges, accidental reverse polarity, and overcharging. Ideal accessory for the frequent traveler!