- Description
- Full Specifications
- Engineering Details
- What's in the Box
IstaBreeze · Complete Wind System
Kit Heli 4000W 48V Wind Turbine & Charge Controller
| Nominal Output 3.8 kW | Max Output 7.4 kW | Battery Voltage 48V | Rotor Diameter 300 cm |
The IstaBreeze Heli 4000W is the largest off-grid turbine in the lineup, paired here with a matched charge controller for immediate 48V battery charging. Hand-laminated GRP rotor blades, a powder-coated steel support structure, and automatic storm protection at 13 m/s make this the choice for sites that need serious sustained output rather than a supplemental trickle charge.
A note on wind turbine power claims: Many small turbines on the market advertise 3,000–4,000W ratings at unrealistically low prices that don't reflect real-world wind conditions. This unit's 3.8kW nominal rating is measured at 11 m/s — confirm your site's average wind speed against this figure, not the 7.4kW maximum, when sizing your system.
| Electrical — Off-Grid | |
| Nominal Output | 3.8 kW at 11 m/s |
| Maximum Output | 7.4 kW |
| Battery Voltage | 48V |
| Current Rating | 80A |
| Loading Range | 0–600 RPM |
| Wind Performance | |
| Switch-On Speed | 2.9 m/s |
| Automatic Storm Protection | 13 m/s (rotor tilts) |
| Manual Storm Protection | Optional, with charge controller |
| Blade & Construction | |
| Blade Material | GRP, hand-laminated & painted white |
| Blade Weight | ~2,700g per blade |
| Rotor Diameter | 300 cm |
| Noise Level | 30 dB |
| Support Structure | Powder-coated steel |
| Total Turbine Weight | 100 kg |
- 3-phase permanent magnet generator (NdFeB, 150°C temperature-resistant) — 31 kg generator weight
- Slip-ring power transmission, pre-assembled in the carrying element — no cable twisting over time
- Rotor blades hand-laminated for tighter tolerances than injection-molded alternatives
- Heli 4000W turbine, 48V off-grid configuration ×1
- Matched 48V charge controller ×1
- Rotor blades ×1 set
- Manual book ×1
Mast tower sold separately. Backed by a 2-year manufacturer's warranty.