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
3.6/5
For installers matching existing 12K systems or homes that want a proven Sol-Ark on a critical-loads panel. Most new buyers get more for less from the Limitless 12K-2P-LL.
- 9 kWOutput
- 48 VBattery
- 12,000 WSolar input
- 60 WIdle draw
- 10 yearsWarranty
Check price at altE$5,428.57
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 4 ms transfer keeps computers and clocks running through outages
- Rapid shutdown, arc-fault and PV disconnect built in
- Lower 60 W idle draw than the newer Sol-Ark models
- Ten-year warranty
Cons
- Only 9 kW of real AC output despite the 12K name
- 63 A grid passthrough limits it to a backed-up subpanel
- Costs more than the newer Limitless 12K-2P-LL, which has more output
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its output. How we rank explains each one.
Specifications
| Model number | 12K-2P-N |
|---|---|
| Output | |
| Output voltage | 120/240 V split-phase |
| Continuous output | 9,000 W |
| Surge | 16,000 W |
| Max efficiency | 97.5% |
| CEC efficiency | 96.5% |
| Idle draw | 60 W |
| Transfer time | 4 ms |
| Parallel units | Up to 9 units |
| Solar | |
| Max PV power | 12,000 W |
| Max PV voltage (Voc) | 500 V |
| MPPT range | 150 to 500 V |
| MPPT trackers | 2 |
| PV current per tracker | 20 A |
| Battery and grid | |
| Battery voltage | 48 V |
| Battery types | Lithium |
| Max charge current | 185 A |
| Battery communication | Yes |
| Grid sell-back | Yes |
| UL 1741 | UL 1741 SB |
| Build | |
| App monitoring | Included |
| Enclosure | IP65 / NEMA 3R |
| Dimensions | 29.5 x 17.7 x 10 in |
| Weight | 78 lb |
| Warranty | 10 years |
| Released | 2021-02 |
Alternatives in this output
PowMr POW-LVM6K-SP
For budget off-grid builds that need 240 V from a single box. The high idle draw and short warranty are the price of the low cost.
PowMr $549$549
SunGoldPower SPH8048P
A UL-listed 8 kW off-grid split-phase inverter at a low price per kW, for cabins, homes and shops that do not sell to the grid.
Amazon SunGoldPower $1,450$1,450
Compare
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