A cheap, UL-listed 5 kW 120 V building block for cabins and backup systems. Add a second unit for 240 V.
Amazon SunGoldPower $750
A low-cost 6.5 kW off-grid inverter for big solar arrays on 120 V circuits. Pair two for a 240 V home.
- 6.5 kWOutput
- 48 VBattery
- 8,000 WSolar input
- 1 yearWarranty
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
- Takes 8,000 W of panels on two inputs, enough for a large roof array
- UL 1741 certified at a low price per kW
- Runs without a battery, so panels can power loads in daytime from day one
- Two units make 240 V for well pumps and dryers
- One unit gives 120 V only
- One-year warranty is short for a whole-home component
- No grid sell-back
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 | LV6548V 500V |
|---|---|
| Output | |
| Output voltage | 120 V single-phase |
| Continuous output | 6,500 W |
| Surge | 13,000 W |
| Peak efficiency | 91% |
| Transfer time | 10 ms |
| Parallel units | Up to 6 units |
| Solar | |
| Max PV power | 8,000 W |
| Max PV voltage (Voc) | 500 V |
| MPPT range | 90 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 |
| Max charge current | 120 A |
| AC charge current | 120 A |
| Battery communication | Yes |
| Grid sell-back | No |
| Generator input | No |
| UL 1741 | Yes |
| Build | |
| App monitoring | Included |
| Dimensions | 147.4 x 432.5 x 553.6 mm |
| Weight | 40.6 lb |
| Warranty | 1 year |
| Released | 2020-10 |
Alternatives in this output
For a 120 V off-grid cabin or RV-style system that needs a UL-listed unit with a US support line. Similar hardware sells for much less under other brands.
Rich Solar $1,299.99For a 120 V cabin, shed or backup circuit on a 48 V battery where a UL listing matters. The low-voltage solar input suits small arrays, not large roofs.
Amazon Renogy $599.99Compare
Compare the MPP Solar LV6548V 500V with any other hybrid solar inverter →
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