For budget off-grid builds that need 240 V from a single box. The high idle draw and short warranty are the price of the low cost.
PowMr $549The PowMr POW-LVM6K-SP is the better hybrid solar inverter overall, rated 3.6 to 2.8. The PowMr POW-LVM6K-SP leads on solar input. The Growatt SPF 6000T DVM-MPV wins on features.
For an off-grid home or shop with motor loads that needs 240 V from one box. Newer high-frequency units take far more solar for the money.
Self2SolarPrices were last checked October 23, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the PowMr POW-LVM6K-SP for solar input (9,000 W of panels, 500 V max, 2 MPPTs vs 5,000 W of panels, 250 V max, 1 MPPT).
- Choose the Growatt SPF 6000T DVM-MPV for features (UL 1741 listed, Wi-Fi add-on; no grid sell-back vs Wi-Fi app, battery communication; not UL 1741 listed).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120/240 V split-phase hybrid solar inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | PowMr POW-LVM6K-SP | Growatt SPF 6000T DVM-MPV |
|---|---|---|
| Overall rating | 3.6/5 | 2.8/5 |
| Value 30% | 100 $92 per kW of continuous output | 50 no current price (neutral score used) |
| Solar input 20% | 68 9,000 W of panels, 500 V max, 2 MPPTs | 9 5,000 W of panels, 250 V max, 1 MPPT |
| Efficiency 20% | 61 94% peak efficiency, 75 W idle | 25 85% peak efficiency |
| Features 15% | 35 Wi-Fi app, battery communication; not UL 1741 listed | 52 UL 1741 listed, Wi-Fi add-on; no grid sell-back |
| Warranty 15% | 0 1-year warranty | 50 warranty not published (neutral score used) |
Specifications
| PowMr POW-LVM6K-SP | Growatt SPF 6000T DVM-MPV | |
|---|---|---|
| Output | ||
| Output voltage | 120/240 V split-phase | 120/240 V split-phase |
| Continuous output | 6,000 W | 6,000 W |
| Surge | 12,000 W | 18,000 W |
| Peak efficiency | 94% | 85% |
| Idle draw | 75 W | - |
| Transfer time | 10 ms | 10 ms |
| Parallel units | No | - |
| Solar | ||
| Max PV power | 9,000 W | 5,000 W |
| Max PV voltage (Voc) | 500 V | 250 V |
| MPPT range | 80 to 450 V | 60 to 245 V |
| MPPT trackers | 2 | 1 |
| PV current per tracker | 18 A | - |
| Runs without battery | Yes | - |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid, user-defined | Lithium, lead-acid |
| Max charge current | 125 A | 80 A |
| AC charge current | 100 A | 60 A |
| Battery communication | Yes | - |
| Grid sell-back | No | No |
| Generator input | - | No |
| UL 1741 | No | Yes |
| Build | ||
| App monitoring | Included | Optional add-on |
| Enclosure | - | IP20 |
| Dimensions | - | 360 x 540 x 218 mm |
| Weight | - | 114.6 lb |
| Warranty | 1 year | - |
| Released | - | 2022-01 |
