W&E -Long Life Span Backup Solar Panel Charger Case Cover 4200mAh Power Bank External Backup Battery Pack Power Outterbox for Iphone 6 Plus 5.5 Inch Phone Case Life Proof (White) Compact, portable & stylish design; Easily fits into your bag to provide instant power; Perfect for long flights, road trips, Li-ion Polymer cells and microchips, high quality and long lifespan. Equipped with over-charge protection system. Over 1000+ recharge lifecycle.