Sunforce 39810 80-Watt High-Efficiency Polycrystalline Solar Panel with Sharp Module Advanced polycrystalline design is highly efficient and provides superior power output Maximum power output: 80 Watts/4.67 Amps Multiple panels can be connected together for even more power Easy to install, virtually maintenance-free, and backed by a 25-year warranty Individual panel size: 21" x 48" x 2"