If permanent off-grid power is needed in a boat, caravan, motorhome or trailer, this complete PV Logic 20wp Roof / Deck Top Kit is the ideal answer. The 20w semi flexible solar panel glues direct to a surface without the need to use fixings. This 20w panel is fitted with a 4m cable and connects to the battery via a 10Ah charge controller (supplied). It will generate up to 120wh per day. Certified to ISO 9227 and ISO 4892 for saltwater immersion and high-intensity UV exposure, the PV Logic Flexi panel can be relied upon even in extreme conditions. Supplied with a 20w Flexi panel with 4m cable, 10Ah twin battery charge controller, bonding agent, cable feed gland terminals, fixings, and user instructions.