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
3.6/5
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.
- 8 kWOutput
- 48 VBattery
- 11,000 WSolar input
- 1 yearWarranty
Check price at AmazonCheck price at SunGoldPower$1,450
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- One UL-listed unit runs a house at 120/240 V
- Takes 11,000 W of panels on two inputs
- 180 A solar charging refills a large battery bank in a day
- Low price per kW
Cons
- No grid sell-back
- Idle draw not published
- One-year warranty
The SunGoldPower SPH split-phase family
Every SunGoldPower SPH split-phase model we rank, smallest first. Ratings compare each against its own output.
| Model | Output | Rating | Price |
|---|---|---|---|
| SunGoldPower SPH6548P | 6.5 kW | 3.7/5 | $1,150 |
| SunGoldPower SPH8048P (this one) | 8 kW | 3.6/5 | $1,450 |
| SunGoldPower SPH10048P | 10 kW | 3.5/5 | $1,580 |
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 | SPH8048P |
|---|---|
| Output | |
| Output voltage | 120/240 V split-phase |
| Continuous output | 8,000 W |
| Surge | 16,000 W |
| Peak efficiency | 92% |
| Transfer time | 10 ms |
| Parallel units | Up to 6 units |
| Solar | |
| Max PV power | 11,000 W |
| Max PV voltage (Voc) | 500 V |
| MPPT range | 125 to 425 V |
| MPPT trackers | 2 |
| PV current per tracker | 22 A |
| Runs without battery | Yes |
| Battery and grid | |
| Battery voltage | 48 V |
| Battery types | Lithium, lead-acid, user-defined |
| Max charge current | 180 A |
| AC charge current | 100 A |
| Battery communication | Yes |
| Grid sell-back | No |
| Generator input | No |
| UL 1741 | Yes |
| Build | |
| App monitoring | Optional add-on |
| Enclosure | IP20 |
| Dimensions | 620 x 445 x 130 mm |
| Weight | 59.5 lb |
| Warranty | 1 year |
| Released | 2023-08 |
Alternatives in this output
Sol-Ark 12K-2P
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.
altE $5,428.57$5,428.57
ECO-WORTHY Liber 10KP
For off-grid homes that want 10 kW of split-phase power and a big solar array at a low price per kW. It shares its hardware with SRNE’s ASP 10 kW.
Amazon ECO-WORTHY $1,509.99$1,509.99
Compare
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