ECO-WORTHY 1000W Monocrystalline 24V Off Grid Solar Panel Kit: 6pcs 160W Mono Solar Panels+40A MPPT Controller+Solar Cable+MC4 Branch Connectors Pair+Z Bracket Mounts Pleas note that it's 24V off grid solar panel kit. Ideal daily output: 4.5KWh (depending on the availability of sunlight). 25-year transferable power output warranty: 5-year/95% efficiency rate, 10-year/90% efficiency rate, 25-year/80% efficiency rate. The correct connection order: please FIRSTLY connect the 60A charge controller to your 24 volts battery pack, then connect controller to load (if no load, pls ignore this step), lastly connect controller to PV (Solar) array. By-pass diodes are pre-installed in waterproof IP-65 rated juncton box to minimize power drop caused by shade and ensure excellent performance in low-light environments. Corrosion-resistant aluminum frame for extended outdoor use, allowing the solar panels to last for decades as well as withstand high winds (2400Pa) and snow loads (5400Pa). Easy to install with pre-drilled holes on the back of panels and 1 pair 16 feet black & red extension solar cable for connecting PV array to the charge controller conveniently. Each solar panel comes with 1 pair of 35 inches cables with MC4 Male/Female connectors for quickly setting up. Package includes: 6 x 160W mono solar panel with MC4 connector & 6 x 4 Z style mounting kit & 1 x 60A solar charge controller & 1 pair 16ft black and red extension solar cable with MC4 connectors & 4 pair Y MC4 solar connectors