The RAVPower 15000mAh Dual USB Solar Power Bank is durable and perfect for the outdoors. It has a bright led flashlight and a robust exterior that is waterproof, dustproof and shockproof. It has two 2.1A ports to charge your devices simultaneously. These ports utilise RAVPower’s iSmart charging technology, which keeps your devices safe whilst charging at optimal speeds. This power bank has overcharge and short-circuit protection to ensure safety in the sun.