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 3.4. The Growatt SPE 6000 US leads on solar input, warranty and features. The MPP Solar LVX6048 costs $100 less ($1,299 vs $1,399).
MPP Solar LVX6048
An affordable 6 kW split-phase hybrid for off-grid homes or grid-tied systems where UL listing is not required.
MPP Solar US store $1,299$1,299
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 solar input (9,000 W of panels, 550 V max, 2 MPPTs vs 6,000 W of panels, 450 V max, 1 MPPT), warranty (5-year warranty vs 1-year warranty) and features (UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication vs Wi-Fi app, parallel stacking, grid sell-back, 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 LVX6048 |
|---|---|---|
| Overall rating | 4.1/5 | 3.4/5 |
| Value 30% | 93 $233 per kW of continuous output | 97 $216 per kW of continuous output |
| Solar input 20% | 68 9,000 W of panels, 550 V max, 2 MPPTs | 31 6,000 W of panels, 450 V max, 1 MPPT |
| Efficiency 20% | 67 95% peak efficiency, 75 W idle | 45 93% peak efficiency |
| Features 15% | 82 UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication | 60 Wi-Fi app, parallel stacking, grid sell-back, battery communication; not UL 1741 listed |
| Warranty 15% | 44 5-year warranty | 0 1-year warranty |
Specifications
| Growatt SPE 6000 US | MPP Solar LVX6048 | |
|---|---|---|
| Output | ||
| Output voltage | 120/240 V split-phase | 120/240 V split-phase |
| Continuous output | 6,000 W | 6,000 W |
| Peak efficiency | 95% | 93% |
| CEC efficiency | 94.5% | - |
| Idle draw | 75 W | - |
| Transfer time | 20 ms | - |
| Parallel units | Up to 9 units | Up to 9 units |
| Solar | ||
| Max PV power | 9,000 W | 6,000 W |
| Max PV voltage (Voc) | 550 V | 450 V |
| MPPT range | 60 to 480 V | 120 to 430 V |
| MPPT trackers | 2 | 1 |
| PV current per tracker | 22 A | 27 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 | No |
| UL 1741 | Yes | No |
| Build | ||
| App monitoring | Optional add-on | Included |
| Enclosure | IP20 | - |
| Dimensions | 550 x 465 x 150 mm | 593.6 x 365 x 138.4 mm |
| Weight | 47.4 lb | 57.3 lb |
| Warranty | 5 years | 1 year |
| Released | 2025-09 | 2021-02 |