SunGoldPower SPH5048P
#3 in 120 VFull review
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$750
The SunGoldPower SPH5048P and the MPP Solar LV6548V 500V are evenly matched, rated 3.3 and 3.3. The SunGoldPower SPH5048P leads on value. The MPP Solar LV6548V 500V wins on solar input. The SunGoldPower SPH5048P costs $379 less ($750 vs $1,129).
MPP Solar LV6548V 500V
#5 in 120 VFull review
A low-cost 6.5 kW off-grid inverter for big solar arrays on 120 V circuits. Pair two for a 240 V home.
MPP Solar US store $1,129$1,129
Prices were last checked October 23, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the SunGoldPower SPH5048P for value ($150 per kW of continuous output vs $174 per kW of continuous output).
- Choose the MPP Solar LV6548V 500V for solar input (8,000 W of panels, 500 V max, 2 MPPTs vs 5,500 W of panels, 500 V max, 1 MPPT).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120 V hybrid solar inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | SunGoldPower SPH5048P | MPP Solar LV6548V 500V |
|---|---|---|
| Overall rating | 3.3/5 | 3.3/5 |
| Value 30% | 83 $150 per kW of continuous output | 75 $174 per kW of continuous output |
| Solar input 20% | 40 5,500 W of panels, 500 V max, 1 MPPT | 54 8,000 W of panels, 500 V max, 2 MPPTs |
| Efficiency 20% | 38 92% peak efficiency, 50 W idle | 32 91% peak efficiency |
| Features 15% | 80 UL 1741 listed, Wi-Fi add-on, parallel stacking, grid sell-back, battery communication; no separate generator input | 75 UL 1741 listed, Wi-Fi app, parallel stacking, battery communication; no grid sell-back |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| SunGoldPower SPH5048P | MPP Solar LV6548V 500V | |
|---|---|---|
| Output | ||
| Output voltage | 120 V single-phase | 120 V single-phase |
| Continuous output | 5,000 W | 6,500 W |
| Surge | 10,000 W | 13,000 W |
| Peak efficiency | 92% | 91% |
| Idle draw | 50 W | - |
| Transfer time | 10 ms | 10 ms |
| Parallel units | Up to 6 units | Up to 6 units |
| Solar | ||
| Max PV power | 5,500 W | 8,000 W |
| Max PV voltage (Voc) | 500 V | 500 V |
| MPPT range | 120 to 450 V | 90 to 450 V |
| MPPT trackers | 1 | 2 |
| PV current per tracker | 22 A | 18 A |
| Runs without battery | Yes | Yes |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid | Lithium, lead-acid |
| Max charge current | 100 A | 120 A |
| AC charge current | 40 A | 120 A |
| Battery communication | Yes | Yes |
| Grid sell-back | Yes | No |
| Generator input | No | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Optional add-on | Included |
| Dimensions | 446.9 x 350 x 133 mm | 147.4 x 432.5 x 553.6 mm |
| Weight | 28.7 lb | 40.6 lb |
| Warranty | 1 year | 1 year |
| Released | 2022-05 | 2020-10 |