RAVPower Xtreme 23000mAh 3-Port Portable External Battery Charger with (9V/12V/16V/19V/20V Multi-Voltage 4.5A Max output) for Notebooks, Digital Cameras, iPhone, iPad and any other USB-Charged devices Laptop Batteries / AC Adapters - Newegg.com
Ravpower Xtreme Series, la batería externa capaz de cargar todos tus dispositivos