Growatt SPE 6000 US
For off-grid homes and cabins that want 6 kW of 240 V with a large solar input at a low price. A strong rival to the EG4 6000XP.
Amazon$1,399
The Growatt SPE 6000 US is the better hybrid solar inverter overall, rated 4.1 to 3.1. The Growatt SPE 6000 US leads on warranty, solar input and features.
MPP Solar LVX6048WP
A 6 kW outdoor split-phase hybrid for off-grid homes and garages. Grid-tied buyers should pick a UL-listed unit.
Prices 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 Growatt SPE 6000 US for warranty (5-year warranty vs 2-year warranty), solar input (9,000 W of panels, 550 V max, 2 MPPTs vs 7,500 W of panels, 600 V max, 2 MPPTs) and features (UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication vs Wi-Fi app, parallel stacking, grid sell-back, generator input, 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 | Growatt SPE 6000 US | MPP Solar LVX6048WP |
|---|---|---|
| Overall rating | 4.1/5 | 3.1/5 |
| Value 30% | 93 $233 per kW of continuous output | 50 no current price (neutral score used) |
| Solar input 20% | 68 9,000 W of panels, 550 V max, 2 MPPTs | 55 7,500 W of panels, 600 V max, 2 MPPTs |
| Efficiency 20% | 67 95% peak efficiency, 75 W idle | 32 91% peak efficiency |
| Features 15% | 82 UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication | 70 Wi-Fi app, parallel stacking, grid sell-back, generator input, battery communication; not UL 1741 listed |
| Warranty 15% | 44 5-year warranty | 11 2-year warranty |
Specifications
| Growatt SPE 6000 US | MPP Solar LVX6048WP | |
|---|---|---|
| Output | ||
| Output voltage | 120/240 V split-phase | 120/240 V split-phase |
| Continuous output | 6,000 W | 6,000 W |
| Peak efficiency | 95% | 91% |
| CEC efficiency | 94.5% | - |
| Idle draw | 75 W | - |
| Transfer time | 20 ms | 15 ms |
| Parallel units | Up to 9 units | Up to 6 units |
| Solar | ||
| Max PV power | 9,000 W | 7,500 W |
| Max PV voltage (Voc) | 550 V | 600 V |
| MPPT range | 60 to 480 V | 120 to 550 V |
| MPPT trackers | 2 | 2 |
| PV current per tracker | 22 A | 15 A |
| Runs without battery | Yes | Yes |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid | Lithium, lead-acid |
| Max charge current | 140 A | 120 A |
| AC charge current | 140 A | 120 A |
| Battery communication | Yes | Yes |
| Grid sell-back | - | Yes |
| Generator input | Yes | Yes |
| UL 1741 | Yes | No |
| Build | ||
| App monitoring | Optional add-on | Included |
| Enclosure | IP20 | IP65 |
| Dimensions | 550 x 465 x 150 mm | 215.5 x 515 x 700 mm |
| Weight | 47.4 lb | 90.4 lb |
| Warranty | 5 years | 2 years |
| Released | 2025-09 | 2022-02 |