3.5KW Off-grid Solar Inverter from China - Pure Sine Wave, MPPT Charge Controller | Reliable Suppliers & Factory Solutions

| Model | SST48HW3.5K | SST48HW5.5K | SST48HW10K |
| Inverter Output | |||
| Rated Output Power (W) | 3500 | 5500 | 10000 |
| Rated Output Power (VA) | 3500 | 5500 | 10000 |
| Maximum Peak Power (W) | 6000 | 10000 | 15000 |
| Load Capacity with Motors (HP) | 2 | 4 | 6 |
| Rated AC Output | 230 VAC (200 / 208 / 220 / 240VAC), 50 / 60Hz | ||
| Output Voltage Waveform | Pure Sine Wave | ||
| Inverter and Bypass Switching Time | 10ms (Typical) | ||
| Parallel Capacity | 9 | ||
| Maximum Battery Inverter Efficiency | 93% | ||
| Overload Protection | 102%~110%, 5min; 110%~125%, 10s; >125%, 2s | ||
| Battery | |||
| Battery Type | Lithium / Lead-acid / User Defined | ||
| Rated Battery Voltage (VDC) | 48 | ||
| Battery Voltage Range (VDC) | 40~60 | ||
| Max. MPPT Charging Current (A) | 60 | 100 | 200 |
| Max. Mains Charging Current (A) | 60 | 60 | 120 |
| Max. Hybrid Charging Current (A) | 80 | 100 | 200 |
| Charging Current Error (ADC) | ±3 | ||
| Charging Short Circuit Protection | Blown Fuse | ||
| PV Charging | |||
| MPPT Quantity | 1 | 2 | |
| Max. PV Array Power (W) | 4000 | 5500 | 5500+5500 |
| Max. PV Input Current (A) | 13 | 22 | 22+22 |
| Max. Open Circuit Voltage (VAC) | 500 | 500+500 | |
| MPPT Voltage Range (VDC) | 120~450 | ||
| MPPT Tracking Efficiency | 99.9% | ||
| Mains Input | |||
| Input Voltage Range (VAC) | 90~280 / 170~280 | ||
| Frequency Range (Hz) | 50 / 60±0.3 | ||
| Output Short Circuit Protection | Circuit Breaker | ||
| Bypass Overload Current (A) | 30 | 40 | 63 |
| Specifications | |||
| Dimensions (D*W*H) mm | 130*350*455 | 130*445*630 | |
| Weight (kg) | 11 | 12 | 27 |
| Classification of Waterproof | IP20 | ||
| Operating Temperature Range (°C) | -10~55 | ||
| Storage Temperature Range (°C) | -25~60 | ||
| Noise (dB) | <60 | ||
| Heat Dissipation | Forced Air Cooling (Variable Speed of Fan) | ||
| Communication | |||
| Embedded Interface | RS485 / CAN / USB / Dry Contact | ||
| External Module | WIFI / GPRS | ||
| Certification | |||
| Safety | CE (IEC62109-1) | ||
| EMC | EN61000 | ||
| Note: Above data are subject to change without notice. Special voltage could be customized. | |||

Solar Off-grid Inverter is a new all-in-one off-grid solar charge inverter, which integrates solar energy storage & mains charging energy storage and AC sine wave output.
- Advanced SPWM technology output of pure sine wave.
- Optimized MPPT technology with an efficiency of 99.9%.
- Available in 4 charging modes.
- Designed with an LCD screen and 3 LED indicators for dynamic display.
Employed advanced SPWM technology and outputs pure sine wave to convert 48V DC to 90V-280V AC, 50Hz/60Hz frequency (Auto detection). Max PV open circuit voltage 100 Vdc; PV operating voltage range 30-100 Vdc; MPPT voltage range 120-450Vdc; Max 4000W input; Max 35000W output; Fit for 48V Lead-Acid (seal, AGM, Gel, Flooded) and Lithium battery.
The power inverter has 360° all-round protection with a number of protection functions, including short circuit protection, over voltage and under voltage protection, overload protection, reverse protection, etc. Ideal for AC loads such as household appliances, power tools, industrial equipment, and electronic audio and video equipment.
4 charging modes — Only Solar, Mains Priority, Solar Priority and Mains & Solar off-grid charging; 2 output modes — mains bypass and inverter output. The inverter is designed with an LCD screen and 3 LED indicators for dynamic display of system data and operating status.
- Size the right power output. Inverters are rated by wattage, telling you how many watts they can run at one time. For example, a 500W fridge and 800W air conditioner total 1300W and require an inverter above 1300W. (The calculation methods of variable frequency and fixed frequency are different.)
- Check your battery voltage. The DC voltage rating on the inverter tells you what battery bank it is compatible with. For example, a 12V battery bank requires an inverter compatible with 12V DC input.
- Size your installation space. Ensure the inverter fits in the chosen space with sufficient room for proper ventilation and no fire hazards.
- Not sure? We will provide you with one-stop service to help you choose the right product.


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