BayouTech OTG G4 Portable Solar Power Bank Charger and Battery Pack with Flashlight, AM/FM Radio, Emergency SOS Signal, Ultrasonic Insect Repellant, and Reading LightView larger View largerIntroducing a revolutionary power source, loaded with practical apps and tough mobility for living OFF THE GRID With a substantial 11600 mAh, the G4 provides enough juice to charge up to seven Smartphones (or up to 2 tablets) from one single solar charge-up.And charging-up is fast with the OTGs durable, high-density solar panel, engineered for optimum performance, reliability and versatility.Large enough to capture solar power fast, yet compact enough for maximum mobility, the G4 provides a portable power solution with rapid charge capacity and outlet-strength electrical charge for most USB devices. Built for Maximum Power and Mobility Quick, Reliable Solar Power for living Off-the-Grid, the G4 charges multiple devices from two USB ports. Its ideal for Smartphones, tablets, E-readers, GPS devices, MP3 Players, USB cameras, PSP/hand-held game consoles, portable jamboxes, Bluetooth speakers and more. And its versatile, off-the-grid and on. In addition to sunlight, the G4 may also be charged up via an A/C outlet or a computer or other USB device. The G4 includes two onboard batteries, each with a power capacity of 3300 mAh. The small but powerful third battery is detachable, adding more charge and mobility. Conveniently docked to the front panel of the G4, the BayouFuel Power Bank 5000 is a substantial power supply in its own right and its also available separately.There is a 2500 mAh power bank available as well, and each BayouFuel charger is compatable with the G4, providing convenient auxiliary storage and pocket sized portability.