Sierra Wave Multi-Volt Power Silver. Center provides up to 50Wh of power to your laptop or other portable device. Charges using included 120V or 12V chargers or an external solar panel. 4600mAh, 10.8V (50Wh) lithium-ion battery 12V/1A input 5V/2A, 12V/4A, 16V/4A, 19V/4A output LED power indicators with battery capacity meter ABS plastic and aluminum case Includes: USB charge cable with 120V and 12V plugs and iPhone lightming, iPhone 32-pin, and micro USB adapter tips, 12V barrell power adapter and 8-piece laptop adapter set