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 3.9. The Growatt SPE 6000 US leads on solar input. The Growatt SPE 6000 US costs $100.99 less ($1,399 vs $1,499.99).
EG4 6000XP
For off-grid homes and cabins that need 240 V at a low price per kW. It does the job of two 120 V inverters in one box, but can’t export to the grid.
Signature Solar $1,499.99 Shop Solar Kits $1,499.99$1,499.99
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 8,000 W of panels, 480 V max, 2 MPPTs).
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 | EG4 6000XP |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 30% | 93 $233 per kW of continuous output | 90 $250 per kW of continuous output |
| Solar input 20% | 68 9,000 W of panels, 550 V max, 2 MPPTs | 58 8,000 W of panels, 480 V max, 2 MPPTs |
| Efficiency 20% | 67 95% peak efficiency, 75 W idle | 65 93% peak efficiency, 50 W idle |
| Features 15% | 82 UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back |
| Warranty 15% | 44 5-year warranty | 44 5-year warranty |
Specifications
| Growatt SPE 6000 US | EG4 6000XP | |
|---|---|---|
| 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 |
| Peak efficiency | 95% | 93% |
| CEC efficiency | 94.5% | - |
| Idle draw | 75 W | 50 W |
| Transfer time | 20 ms | 15 ms |
| Parallel units | Up to 9 units | Up to 16 units |
| Solar | ||
| Max PV power | 9,000 W | 8,000 W |
| Max PV voltage (Voc) | 550 V | 480 V |
| MPPT range | 60 to 480 V | 120 to 385 V |
| MPPT trackers | 2 | 2 |
| PV current per tracker | 22 A | 17 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 | 125 A |
| AC charge current | 140 A | 115 A |
| Battery communication | Yes | Yes |
| Grid sell-back | - | No |
| Generator input | Yes | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Optional add-on | Included |
| Enclosure | IP20 | IP20 |
| Dimensions | 550 x 465 x 150 mm | 18 x 25.5 x 5.25 in |
| Weight | 47.4 lb | 52.9 lb |
| Warranty | 5 years | 5 years |
| Released | 2025-09 | 2023-10 |