Built-in overcharge protection
Once they are charged, a protection circuit ensures no more power is provided to the batteries of your portable device.
Works with USB-based devices
The universal unit has a USB connection for use with your USB-based device via the device's USB cable which you already own or can purchase separately.
Charge from a car's 12 V outlet
The compact charger plugs into a car's 12 V outlet, and connects to your device for easy and convenient charging on the road.