Can be powered by solar power or AC power; Suitable for laptop, cellphone , digital camera, MP3 / MP4 player; Compact and lightweight, easy and convenient to carry; Different input / output hole to avoid mistake plugging; With intelligent protection chip: over charge protection, over discharge protection, over load protection, short circuit protection and remind capacity indicator; With 1-USB output and 4-DC output; Blue DC: 11.1V, Green DC: 16V, Yellow DC: 19V, Red DC: 24V