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
The ECO-WORTHY Liber 6kP is the better hybrid solar inverter overall, rated 3.7 to 2.8. The ECO-WORTHY Liber 6kP leads on solar input and features.
Growatt SPF 6000T DVM-MPV
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 ECO-WORTHY Liber 6kP for solar input (9,000 W of panels, 500 V max, 1 MPPT vs 5,000 W of panels, 250 V max, 1 MPPT) and features (UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back vs UL 1741 listed, Wi-Fi add-on; no grid sell-back).
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 | ECO-WORTHY Liber 6kP | Growatt SPF 6000T DVM-MPV |
|---|---|---|
| Overall rating | 3.7/5 | 2.8/5 |
| Value 30% | 100 $132 per kW of continuous output | 50 no current price (neutral score used) |
| Solar input 20% | 60 9,000 W of panels, 500 V max, 1 MPPT | 9 5,000 W of panels, 250 V max, 1 MPPT |
| Efficiency 20% | 45 93% peak efficiency | 25 85% peak efficiency |
| Features 15% | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back | 52 UL 1741 listed, Wi-Fi add-on; no grid sell-back |
| Warranty 15% | 11 2-year warranty | 50 warranty not published (neutral score used) |
Specifications
| ECO-WORTHY Liber 6kP | 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 | 93% | 85% |
| Transfer time | 10 ms | 10 ms |
| Parallel units | Up to 6 units | - |
| Solar | ||
| Max PV power | 9,000 W | 5,000 W |
| Max PV voltage (Voc) | 500 V | 250 V |
| MPPT range | 125 to 425 V | 60 to 245 V |
| MPPT trackers | 1 | 1 |
| PV current per tracker | 27 A | - |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium-ion, lead-acid, user-defined | Lithium, lead-acid |
| Max charge current | 120 A | 80 A |
| AC charge current | 100 A | 60 A |
| Battery communication | Yes | - |
| Grid sell-back | No | No |
| Generator input | No | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Included | Optional add-on |
| Enclosure | IP20 | IP20 |
| Dimensions | 472 x 412 x 130 mm | 360 x 540 x 218 mm |
| Weight | 35.3 lb | 114.6 lb |
| Warranty | 2 years | - |
| Released | 2026-02 | 2022-01 |