The Power Pebble is a unique charger that offers you a different battery
charging experience of your mobile devices. The Power Pebble is not only
a universal battery charger for various batteries of cell phones,
digital cameras and MP3 players, but is also a portable charger
so that you are able to power your devices on the go.
Therefore the Power Pebble contains an internal battery to store extra power.
The internal battery is 1100mAh.