A big high-frequency split-phase inverter for off-grid homes on a budget. At this price, listed low-frequency units with real spec sheets are worth a look first.
Amazon $1,568.28
For an off-grid shop or cabin that needs 5 kW of 120 V from a 48 V bank on a budget and doesn’t need inspection approval. Buyers who want charging or a listing should look at an inverter-charger.
- 5,000 WContinuous
- 10,000 WSurge
- 120 VOutput
- 28.8 WIdle draw
- NoUL listed
- 2 yearsWarranty
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
- Runs a well pump, air conditioner or several kitchen loads at once
- GFCI outlets for plug-in use plus a hardwire terminal for a subpanel
- Switchable 50 or 60 Hz output for imported equipment
- About a third of the price of a premium 5 kW inverter
- No UL listing, so it may not pass inspection in a permanent home install
- No charger or transfer switch, so shore or generator power needs separate gear
- Surge time isn’t published, so heavy motor starts are a gamble
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | PWRIG500048120S |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| AC output | 120 V |
| Continuous power | 5,000 W |
| Surge power | 10,000 W |
| DC input range | 41 to 60 V |
| Idle draw | 28.8 W (0.6 A at 48 V) |
| Peak efficiency | 90% |
| Connections | |
| AC outlets | 4 |
| GFCI outlets | Yes |
| Hardwire terminal | Yes |
| USB ports | None |
| Transfer switch | No |
| Parallel units | No |
| Control and build | |
| Remote | No |
| App | No |
| Display | No |
| Safety listing | No |
| Design | High-frequency |
| Cooling | fan |
| Dimensions | 23.75 x 8.88 x 6.25 in |
| Weight | 26 lb |
| Warranty | 2 years |
Alternatives in this size
A low-cost way to get 120/240 V split phase from a 48 V bank for light 240 V loads. Documentation is thin, so it suits DIY builders on a budget.
Amazon $511.20For a 48 V telecom or solar rack that needs 3,000 W of 120 V backup in 2U of rack space. It switches loads from utility to battery itself but doesn’t charge the battery.
Amazon $1,069Compare
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