This Sunforce Products ProSeries solar backup power system is an ideal choice for off-grid power supply or backup power. It provides up to 400 Watts of power when you need it. Application: Backup Power, Watts: 400, Dimensions L x W x H (in.): Individual panel 46 x 43.5 x 2, Material: Reinforced anodized aluminum frame, Panel Type: CIGS Solar Panels, Panels (qty.): 4, Battery Type: None; min. 200 Ah battery recommended, Battery Included: No 4 high-efficiency 100 Watt CIGS solar panels; panels are 46in.L x 43.5in.W x 2in.H 1000 Watt pure sine wave inverter for all types of appliances and sensitive electronics 50 Amp charge controller 4 Unirac side pole mounts Minimum 200 Ah battery recommended; battery not included