Loaded with a 5,000-mAh battery, the RAYvolution Solar Battery Charger can replenish your drained devices with ease. Compact and lightweight, it features a rubber, waterproof casing for comfortable handling and a USB port that is compatible with most smartphones, tablets, gaming devices and more. LED lights indicate how much power remains in the charger, which can be recharged by sunlight or with the included wall plug-in. Perfect for camping, other outdoor activities and traveling internationally without the need for a plug adapter, the RAYvolution Solar Battery Charger makes charging your devices a cinch — anywhere, anytime. Includes a carabiner and micro USB cord.