SunGoldPower Freedom Pro 16K-48
A very large off-grid split-phase inverter for big homes, farms and shops that want one unit instead of a stack.
SunGoldPower $2,699$2,699
The SunGoldPower Freedom Pro 16K-48 and the SunGoldPower SGS-12K18MAX are evenly matched, rated 4.1 and 4.0. The SunGoldPower Freedom Pro 16K-48 leads on value. The SunGoldPower SGS-12K18MAX wins on features. The SunGoldPower Freedom Pro 16K-48 costs $291 less ($2,699 vs $2,990).
SunGoldPower SGS-12K18MAX
A grid-interactive 12 kW whole-home hybrid with UL 1741 SB listing, for homeowners who want to sell solar and back up the house.
SunGoldPower $2,990$2,990
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 Freedom Pro 16K-48 for value ($169 per kW of continuous output vs $249 per kW of continuous output).
- Choose the SunGoldPower SGS-12K18MAX for features (UL 1741 listed, Wi-Fi app, parallel stacking, grid sell-back, generator input, battery communication vs UL 1741 listed, Wi-Fi app, parallel stacking, generator input, battery communication; no grid sell-back).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120/240 V split-phase hybrid solar inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | SunGoldPower Freedom Pro 16K-48 | SunGoldPower SGS-12K18MAX |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 30% | 100 $169 per kW of continuous output | 90 $249 per kW of continuous output |
| Solar input 20% | 68 24,000 W of panels, 600 V max, 2 MPPTs | 68 18,000 W of panels, 550 V max, 2 MPPTs |
| Efficiency 20% | 54 94.3% peak efficiency | 48 100 W idle |
| Features 15% | 85 UL 1741 listed, Wi-Fi app, parallel stacking, generator input, battery communication; no grid sell-back | 100 UL 1741 listed, Wi-Fi app, parallel stacking, grid sell-back, generator input, battery communication |
| Warranty 15% | 50 warranty not published (neutral score used) | 50 warranty not published (neutral score used) |
Specifications
| SunGoldPower Freedom Pro 16K-48 | SunGoldPower SGS-12K18MAX | |
|---|---|---|
| Output | ||
| Output voltage | 120/240 V split-phase | 120/240 V split-phase |
| Continuous output | 16,000 W | 12,000 W |
| Surge | 32,000 W | 18,000 W |
| Peak efficiency | 94.3% | - |
| Max efficiency | - | 97.5% |
| CEC efficiency | - | 96.5% |
| Idle draw | - | 100 W |
| Transfer time | 10 ms | - |
| Parallel units | Up to 6 units | Up to 6 units |
| Solar | ||
| Max PV power | 24,000 W | 18,000 W |
| Max PV voltage (Voc) | 600 V | 550 V |
| MPPT range | 120 to 550 V | 125 to 450 V |
| MPPT trackers | 2 | 2 |
| PV current per tracker | 36 A | 32 A |
| Runs without battery | Yes | - |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid, user-defined | Lithium, lead-acid, user-defined |
| Max charge current | 300 A | 240 A |
| AC charge current | 300 A | 200 A |
| Battery communication | Yes | Yes |
| Grid sell-back | No | Yes |
| Generator input | Yes | Yes |
| UL 1741 | Yes | UL 1741 SB |
| Build | ||
| App monitoring | Included | Included |
| Enclosure | IP20 | IP65 |
| Dimensions | 24.5 x 33.61 x 8.48 in | 840 x 440 x 260 mm |
| Weight | 105 lb | 105.8 lb |
| Released | 2026-10 | 2025-09 |