SunGoldPower SPH6548P
A low-cost UL-listed split-phase inverter for off-grid homes and backup with a generator.
Amazon SunGoldPower $1,150$1,150
3.6/5
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.
- 6 kWOutput
- 48 VBattery
- 9,000 WSolar input
- 75 WIdle draw
- 1 yearWarranty
Check price at PowMr$549
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Makes 120/240 V from one unit at one of the lowest prices per kW
- Two 500 V solar trackers take 9,000 W of panels
- Runs loads from solar with no battery connected
- Wi-Fi monitoring built in
Cons
- 75 W no-load draw burns about 1.8 kWh of battery a day
- Can’t run in parallel, and no UL listing stated
- One-year warranty
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 | POW-LVM6K-SP |
|---|---|
| Output | |
| Output voltage | 120/240 V split-phase |
| Continuous output | 6,000 W |
| Surge | 12,000 W |
| Peak efficiency | 94% |
| Idle draw | 75 W |
| Transfer time | 10 ms |
| Parallel units | No |
| Solar | |
| Max PV power | 9,000 W |
| Max PV voltage (Voc) | 500 V |
| MPPT range | 80 to 450 V |
| MPPT trackers | 2 |
| PV current per tracker | 18 A |
| Runs without battery | Yes |
| Battery and grid | |
| Battery voltage | 48 V |
| Battery types | Lithium, lead-acid, user-defined |
| Max charge current | 125 A |
| AC charge current | 100 A |
| Battery communication | Yes |
| Grid sell-back | No |
| UL 1741 | No |
| Build | |
| App monitoring | Included |
| Warranty | 1 year |
Alternatives in this output
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
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
Compare
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