Model: 3kw H4.6-3000w wind generator is adopted permanent magnetic material, cuprum alloy, and aerometal and designed with 4 technical patents. With advanced controlling system, hummer wind turbine can connect to local grid. Off- the off-grid wind turbine is matched with 25pcs batteries in series, Our wind turbines have been awarded ce, and exported to 70 countries and regions Technical parameter Rated power(w) 3000 Maximum output power(w) 4500 Charging voltage (v) dc 180v Blade quantity 3 Rotor blade material grp Rotor blade diameter(m) 4.8 Start-up wind speed (m/s) 2.5 Rated wind speed (m/s) 10 Rated rotating rate (r/min) 400 Wind energy utilizing ratio (cp) 0.4 Generator output single-phase Frequency conversion ac Rated charging current (a) 16 The maximum charging current (in a short time )(a) 28 Output ac frequency (hz) 0~360 Generator efficiency >0.8 Wireless tower diameter(mm) 397* 137*12000 (2pcs) Guy tower diameter(mm) 140*3000*4 (4pcs) Tower height(m) 12m The weight of generator(kg) 60kg Battery 12v 150ah/200ah 15pcs. Package material size (m++++ g.W(kg) Plywood container 1.05 533.2