Rothco’s Waterproof Solar Power Bank has an ABS plastic body with 5V/1.2W monocrystalline cell solar panel for plenty of energy storage. This portable power bank has 3.7V 5,000mah dual USB outputs and a 5V 1,000mah input that works well with high-end electronic devices. Along with a micro USB charging cable, the solar power bank comes with a carabiner for secure attachment to backpacks or bags. Along with all the great features, this energy bank has a lithium polymer battery for a quick charge time. The solar charger is a great on-the-go charger ideal for camping, hunting or emergency preparedness.