PowerFilm foldable solar chargers offer a 70% weight reduction versus competitor products. The 5 W charger fits in cargo pants pocket and weighs just 6 oz. Chargers up to 60 Watts available. Charge satellite phones, laptops, GPS, etc., and charge charge batteries – PowerFilm foldable solar chargers are lightweight, made of durable material and fold easily for storage and transport. We offer several battery storage options for use with portable solar chargers.