500w Wind power generator

Rotor diameter: 2,5m Blades quantity: 3 pcs Direction: always downwind Blades material: Glass fiber reinforced plastic Rated output: 500W Maximum output: 700W Initial voltage: 24/36V Initial wind speed: 2.5m/s Nominal wind speed: 8m/s Stormstand: up to 35m/s Wind protection: AutoFurl Rotor speed: 400 turns per min Wind turbine type: PMG (on constant magnets) Working temperature: from -40 to +60 C Annual average energy production: 1250kWh Charge control: AIC (automatic intelligent control) Recommended accumulators: 400Ah Accumulators full charge time: about 8 hours Weight: 53kgs (without mast)