Powers 1-2 Nets, but is a full kit! Kencove 12V Solar Energizer with 0.5 joule output kit (Includes Battery)- The Kencove KF500S 12-Volt Solar Energizer delivers the most power in its class. Two 12v batteries (included) operate this unit for weeks without sun. Low impedance with .5 joule output. Comes with 3 year warranty which includes lightning damage.