3000mAh Solar Panel Powered Charger Case Back Up Battery for iPhone Apple 5 5S White Brand new 3000mAh Solar Powered Charger Case Back Up Battery for iPhone 5 / 5S. Durable, lightweight, hard-shell construction with soft touch grip side sections. Energy saving and environmental protection. Built-in 3000mAh rechargeable lithium polymer battery. Advanced battery protection technology prevents overcharging.