ReVIVE Solar ReStore XL 4000mAh Solar Charger Power Bank & USB Rechargeable External Battery Travel Pack w/ Universal USB Charging Port & High-Efficiency Solar Panel for MP3 Media Players, Smartphones , E-readers , iPad and More!
Device does not meet my expectation. It does not recharge well with sun exposure. It was always 1/4 charge and never higher.  It did not charge the phone also. Expensive and not worth the place in your carry on.