Life happens. Be ready! Heres a quick & easy way to extend the battery life of your camera & other USB (Universal Serial Bus)-rechargeable devices. The Kodak High Performance USB (Universal Serial Bus) AC Adapter K20 is so small & powerful that it is especially useful at home & when traveling. Connect your device with its USB (Universal Serial Bus) cable to the adapter & plug the adapter into a wall outlet. The high performance adapter powers up your device & enables charging up to twice as fast as standard USB (Universal Serial Bus) AC adapters.