ReVIVE Solar ReStore BST Ultra Slim Portable External USB Backup Battery Pack w/ Rapid Charge Solar Panel for Cell Phones, Action Cameras, Pocket Camcorders & More USB Powered Devices External 1500mAh battery pack recharges up to 1,000 times from Solar, AC, or USB power. Provides a charge to most action cameras, pocket camcorders, cell phones and other USB powered devices Add-on panel DOUBLES solar charging speed and allows the Solar ReStore to charge to 100% capacity by solar power alone within 8 hours in direct sunlight! Includes detachable Add-On panel, AC adapter and Micro USB charging cable Features 240mA solar charging efficiency (w/ both panels connected) and a USB output of 600mA. Built-in power capacity indicator lets you know how much battery you have left. Guaranteed Quality - 3 Year Manufacturer's Warranty