Instapark Mercury27 Portable & Foldable 27 Watts Solar Battery Charger with DC 12V Output for Automotive Batteries & Dual DC 5V Standard USB Ports for iPhone, iPad, Android Smart Phone, Tablet Computer & Other Portable Device, 11,000 mAh Dual USB Battery Pack / Charger Included All-around portable solar battery charger powered by foldable 27 Watts high-efficiency mono-crystalline solar panel with triple outputs including one DC 12V port and two standard DC 5V USB ports, ideal for RVs, emergency preparedness, backpacking, camping and other outdoor activities No additional battery needed for charging external devices, 100% green energy with zero carbon footprint, built-in dual USB ports for simultaneously charging two devices including but not limited to iPhones, iPads, Android smart phones, tablet computers, all Kindle devices, digital cameras and other USB compatible mobile devices plus one 12V DC output port with a 10-ft cord for charging 12V batteries, power packs and alike, the 12V output plug is compatible with Instapark Mars20S, Duracell PowerPack Series & Wagan Power Dome Series Battery Packs, no additional adapter needed 4 Highest-efficiency mono-crystalline panels fold up into a compact, portable and lightweight pack measuring 11.5 X 8 X 2 inches and weighing less than 3 lbs Made from scratch-resistant and weather-resistance fabric, ideal for outdoor use. Built-in pocket holds and protects charge controller and other electronic components and provides extra storage Detachable high-capacity 11,000 mAh rechargeable lithium battery pack with two USB charging ports for easy & convenient power storage, also compatible with iPhone, iPad and other USB equipped portable devices