With this USB charger, you can charge your Canon NB-10L battery packs from any USB source. Use your USB solar pack, USB wall charger, computer’s USB port, or any USB battery pack to charge your Canon NB-10L battery.
NB-10L USB Charger Specifications…
The charger converts the 5V USB to the voltage required to properly charge the NB-10L. Fast charging with up to 800mA output into camera battery.
MicroUSB charging cable included.