Go Power! 80-Watt Solar Expansion Kit is a high efficiency polycrystalline panel kit can be used to add to an existing solar system to increase charging power. This 80-Watt expansion kit adds 4.8 Amps of charging power to the existing solar system and averages up to 201 Amp hours of charge per week. It includes mounting hardware to mount the panel flat on the roof and the interconnect wire to hook into the existing system as well as contains all instructions. 850.65
