

PowMr Off Grid MPPT Solar Inverter is a new all-in-one hybrid solar inverter, which integrates solar energy storage &means charging energy storage and AC sine wave output.
It can be accessed by a variety of household appliances and office loads, power tools, industrial equipment, and electronic audio and video equipment, including refrigerators, lamps, televisions, fans, air conditioning, and other AC loads
- 【Pure Sine Wave】3000W pure sine wave inverter 24VDC to 110V/120VAC, Built-in 80A MPPT charge controller. With full digital voltage and current double closed-loop control and advanced SPWM technology, the charging efficiency is up to 99.9%. With high safety performance, it can protect your home circuit!
- 【Technical Parameters】3KW Solar Inverter accept Max 4000W /450V solar power and AC input 90-140Vac; Peak power: 6000VA; MPPT Voltage Range: 120-450Vdc, Max PV Output Power: 4000W. Max Current: 80A.
- 【Four Safe Charging Modes】24V Inverter Four charging modes can be selected: solar/utility priority/solar priority/utility hybrid charging. Three output modes can be set. PV priority/Utility priority/Inverter priority, which can meet different application needs of users.
- 【Starting voltage >150V】This inverter is the high voltage version, the maximum open circuit voltage is 450V, the starting voltage needs to be greater than 150V! At least 4-6 solar panels are needed to start the inverter, the exact number of panels depends on the open circuit voltage of the solar panels. Noted that only the high voltage version of the inverter has a maximum PV input power of up to 4000W! The maximum PV input power of the low voltage version with 100V is only 1600W!
- 【Multiple Protection Functions】Multiple Protection Functions】LCD display design and 3 LED indicators dynamically display system data and operating status for easy viewing, while the inverter also has short circuit protection, overload protection, reverse protection, overvoltage, and under voltage protection, which greatly ensures your circuit and power safety.
- 【Diverse Use Scenarios】Off Grid Inverter can be used in connection with 24V lead-acid(seal, AGM,Gel,Flooded) and lithium batteries. It can power all kinds of appliances in home or office environment, including motor-type appliances such as tube lights, fans, refrigerators, and air conditioners.
1. Full digital voltage and current double closed-loop control, advanced SPWM technology, the output of pure sine wave.
2. Two output modes: mains bypass and inverter output; uninterrupted power supply.
3. Available in 4 charging modes: Only Solar, Utility Priority, PV Priority, Utility & Solar hybrid charging.
4. Advanced MPPT technology with an efficiency of 99.9%.
5. Designed with an LCD screen and 3 LED indicators for a dynamic display of system data and operating pasting status.
6. Manual ON/OFF switch controlling AC output.
7. Power saving mode available to reduce empty load loss.
8. Intelligent variable speed fan to efficiently dissipate heat and extend system life.
9. Lithium battery activation by PV solar or mains, allowing access of lead-acid batteries and lithium batteries.
10. Complete protections, including short circuit protection, over-voltage and under-voltage protection, overload protection, reverse protection, etc
| Model | POW-LVM3K-24V-H |
| Utility/Grid | |
| Reted Input Voltage | 110/120VAC |
| Input Voltage Range | (90Vac~140Vac) ±2% |
| Frequency | 50Hz/60Hz(Auto detection) |
| Frequency Range | 47±0.3Hz ~ 55±0.3Hz (50Hz); 57±0.3Hz ~ 65±0.3Hz (60Hz) |
| Overload/short circuit protection | Breaker |
| Efficiency | >95% |
| Conversion time(bypass and inverter) | 10ms |
| Reverse Flow Protection | Yes |
| Max Bypass Current Overload | 40A |
| Inverter | |
| Waveform | Pure Sine Wave |
| Rated Output(VA) | 3000 |
| Rated Output(W) | 3000 |
| Power Factor | 1 |
| Output AC Voltage | 120Vac |
| Unstable Input Error | ±5% |
| Output Frequency(Hz) | 50Hz ±0.3Hz 60Hz ±0.3Hz |
| Efficiency | >92% |
| Overload Protection | (102%<load<110%)±10%:turn off the output after 5min;(110%<load<125%)±10%:turn off the output after 10sec;(125%<load)±10%: turn off the output after 5sec; |
| Peak Power | 6000VA |
| Motor Capability | 2HP |
| Output Short Circuit Protection | Breaker |
| Bypass Breaker Specifications | 0A-40A |
| Rated Battery Input Voltage | 24V (Minimum starting voltage 22V) |
| Battery Voltage Range | 20.0Vdc~33Vdc ± 0.6Vdc |
| Power Saving Mode Self-consumption | ≤50W |
| No Load Self-consumption | 48W |
| Utility/Grid Charging | |
| Battery type | Lead acid or lithium battery |
| Maximum Charging Current (AC) | 40A |
| Unstable Condition Error | ± 5Adc |
| Charge voltage range | 20~33Vdc |
| Short circuit protection | Circuit breaker and blown fuse |
| Circuit breaker specifications | Yes |
| Overcharge protection | Yes; Automatically alerts and then turns off charging after1 minute |
| Solar (PV) charging | |
| Recommended PV Max | 450Vdc |
| PV Operating Voltage | 120-450Vdc |
| MPPT Voltage Range | 120-400Vdc |
| Battery Charging Range | 20-33Vdc |
| Maximum Input Power | 4000W |
| Maximum Input Current | 80A |
| Maximum Output Power | 4000W |
| PV Charging Current Range | 0-80A |
| Short-circuit Protection | Blown fuse |
| Wiring Protection | Reverse Polarity |
| General | |
| Certification | FCC Part 15 Class B, RoHS |
| Operating Temperature | 5°F ~ 131°F/ -15°C ~ 55°C |
| Storage Temperature | -13°F ~ 140°F / -25°C ~ 60°C |
| Humidity range | 5% to 95% (Conformal coating protection) |
| Noise | ≤60dB |
| Cooling | Fans |
| IP Grade | IP 20 |
| Safety | Class I |
| Dimensions (L-W-D) | 14.8*11*4.05 in / 378mm*280mm*103mm |
| Weight (kg) | 14.96 lbs /8kg |





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Charging Mode and Discharging Mode4 Charging Mode+3 Load Working ModeBattery Four Charging Mode:
Three-Load Working Mode: SOL: Priority: Solar>Battery>Utility; UTI(Default): Priority: Utility>Solar>Battery; SBU: Battery power load first, then Utility. |
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SettingDescription of key operation setting item
After setting, it needs to be shut down and restarted, and the following logic needs to be followed when setting parameters: a. [05] > [14] b. [12]<[04]<[14] c. [35]<[05]<[37]<[09] = [11] |















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