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 $789.99The ECO-WORTHY Liber 6kP is the better hybrid solar inverter overall, rated 3.7 to 3.0. The ECO-WORTHY Liber 6kP leads on features, solar input and warranty. The ECO-WORTHY Liber 6kP costs $648.01 less ($789.99 vs $1,438).
An older low-voltage split-phase design for off-grid buyers with lots of small panels. Newer high-voltage units are easier to wire.
MPP Solar US store $1,438Prices 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 features (UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back vs Wi-Fi add-on, parallel stacking; not UL 1741 listed), solar input (9,000 W of panels, 500 V max, 1 MPPT vs 8,000 W of panels, 145 V max, 2 MPPTs) and warranty (2-year warranty vs 1-year warranty).
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 | MPP Solar LV6048 |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 30% | 100 $132 per kW of continuous output | 92 $240 per kW of continuous output |
| Solar input 20% | 60 9,000 W of panels, 500 V max, 1 MPPT | 34 8,000 W of panels, 145 V max, 2 MPPTs |
| Efficiency 20% | 45 93% peak efficiency | 23 90% peak efficiency, 100 W idle |
| Features 15% | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back | 30 Wi-Fi add-on, parallel stacking; not UL 1741 listed |
| Warranty 15% | 11 2-year warranty | 0 1-year warranty |
Specifications
| ECO-WORTHY Liber 6kP | MPP Solar LV6048 | |
|---|---|---|
| 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% | 90% |
| Idle draw | - | 100 W |
| Transfer time | 10 ms | 10 ms |
| Parallel units | Up to 6 units | Up to 3 units |
| Solar | ||
| Max PV power | 9,000 W | 8,000 W |
| Max PV voltage (Voc) | 500 V | 145 V |
| MPPT range | 125 to 425 V | 60 to 115 V |
| MPPT trackers | 1 | 2 |
| 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 | 220 A |
| AC charge current | 100 A | 60 A |
| Battery communication | Yes | - |
| Grid sell-back | No | No |
| Generator input | No | No |
| UL 1741 | Yes | No |
| Build | ||
| App monitoring | Included | Optional add-on |
| Enclosure | IP20 | - |
| Dimensions | 472 x 412 x 130 mm | 130 x 622.6 x 610 mm |
| Weight | 35.3 lb | 66.1 lb |
| Warranty | 2 years | 1 year |
| Released | 2026-02 | 2018-01 |
