Made for long summer days on the lake, this fast charging 12V solar panel is built for adventure. In full sun it will charge a Powerbox 10 in 3-4 hours, or a 7Ah battery in just 2.5 hours! Rated at 50 watts this panel provides 150% more juice then our standard solar panel, while also being waterproof, shatterproof, and half the weight. Alligator clips provide universal compatibility. This panel will charge any 12V Dakota Lithium battery. Can be used while power is being drawn from the battery (in effect you can power some electronics indefinitely). Use multiple panels for a faster charging time or for charging bigger capacity batteries.