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 is the better hybrid solar inverter overall, rated 3.3 to 3.2. The SunGoldPower SPH5048P leads on features. The SunGoldPower SPH504880A wins on value. The SunGoldPower SPH504880A costs $161 less ($589 vs $750).
SunGoldPower SPH504880A
#7 in 120 VFull review
The budget version of the SPH5048P for single-unit 120 V systems that will never need 240 V.
Amazon SunGoldPower $589$589
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 features (UL 1741 listed, Wi-Fi add-on, parallel stacking, grid sell-back, battery communication; no separate generator input vs UL 1741 listed, Wi-Fi add-on, battery communication; no parallel).
- Choose the SunGoldPower SPH504880A for value ($118 per kW of continuous output vs $150 per kW of continuous output).
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 | SunGoldPower SPH504880A |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Value 30% | 83 $150 per kW of continuous output | 94 $118 per kW of continuous output |
| Solar input 20% | 40 5,500 W of panels, 500 V max, 1 MPPT | 40 5,500 W of panels, 500 V max, 1 MPPT |
| Efficiency 20% | 38 92% peak efficiency, 50 W idle | 25 90% peak efficiency |
| Features 15% | 80 UL 1741 listed, Wi-Fi add-on, parallel stacking, grid sell-back, battery communication; no separate generator input | 50 UL 1741 listed, Wi-Fi add-on, battery communication; no parallel |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| SunGoldPower SPH5048P | SunGoldPower SPH504880A | |
|---|---|---|
| Output | ||
| Output voltage | 120 V single-phase | 120 V single-phase |
| Continuous output | 5,000 W | 5,000 W |
| Surge | 10,000 W | 10,000 W |
| Peak efficiency | 92% | 90% |
| Idle draw | 50 W | - |
| Transfer time | 10 ms | 10 ms |
| Parallel units | Up to 6 units | No |
| Solar | ||
| Max PV power | 5,500 W | 5,500 W |
| Max PV voltage (Voc) | 500 V | 500 V |
| MPPT range | 120 to 450 V | 120 to 450 V |
| MPPT trackers | 1 | 1 |
| PV current per tracker | 22 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 | - |
| AC charge current | 40 A | 40 A |
| Battery communication | Yes | Yes |
| Grid sell-back | Yes | No |
| Generator input | No | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Optional add-on | Optional add-on |
| Dimensions | 446.9 x 350 x 133 mm | 426 x 322 x 126 mm |
| Weight | 28.7 lb | 25.4 lb |
| Warranty | 1 year | 1 year |
| Released | 2022-05 | 2025-06 |