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
The EG4 6000XP is the better hybrid solar inverter overall, rated 3.9 to 3.7. The EG4 6000XP leads on warranty. The ECO-WORTHY Liber 6kP wins on value. The ECO-WORTHY Liber 6kP costs $710 less ($789.99 vs $1,499.99).
ECO-WORTHY Liber 6kP
For off-grid cabins and small homes that need 240 V loads on a budget. One unit covers a modest house and more can be added later.
Amazon ECO-WORTHY $789.99$789.99
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 EG4 6000XP for warranty (5-year warranty vs 2-year warranty).
- Choose the ECO-WORTHY Liber 6kP for value ($132 per kW of continuous output vs $250 per kW of continuous output).
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 | EG4 6000XP | ECO-WORTHY Liber 6kP |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 30% | 90 $250 per kW of continuous output | 100 $132 per kW of continuous output |
| Solar input 20% | 58 8,000 W of panels, 480 V max, 2 MPPTs | 60 9,000 W of panels, 500 V max, 1 MPPT |
| Efficiency 20% | 65 93% peak efficiency, 50 W idle | 45 93% peak efficiency |
| Features 15% | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back |
| Warranty 15% | 44 5-year warranty | 11 2-year warranty |
Specifications
| EG4 6000XP | ECO-WORTHY Liber 6kP | |
|---|---|---|
| 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 | 12,000 W |
| Peak efficiency | 93% | 93% |
| Idle draw | 50 W | - |
| Transfer time | 15 ms | 10 ms |
| Parallel units | Up to 16 units | Up to 6 units |
| Solar | ||
| Max PV power | 8,000 W | 9,000 W |
| Max PV voltage (Voc) | 480 V | 500 V |
| MPPT range | 120 to 385 V | 125 to 425 V |
| MPPT trackers | 2 | 1 |
| PV current per tracker | 17 A | 27 A |
| Runs without battery | Yes | - |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid | Lithium-ion, lead-acid, user-defined |
| Max charge current | 125 A | 120 A |
| AC charge current | 115 A | 100 A |
| Battery communication | Yes | Yes |
| Grid sell-back | No | No |
| Generator input | No | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Included | Included |
| Enclosure | IP20 | IP20 |
| Dimensions | 18 x 25.5 x 5.25 in | 472 x 412 x 130 mm |
| Weight | 52.9 lb | 35.3 lb |
| Warranty | 5 years | 2 years |
| Released | 2023-10 | 2026-02 |