Fortress Power Envy 8K
For grid-tied homes with moderate backup needs that want an outdoor hybrid with export and US-based support.
Wind & Sun $3,735$3,735
4.0/5
A grid-tied hybrid sized for typical homes that want solar sell-back plus backup, with room to add units later.
- 7.6 kWOutput
- 48 VBattery
- 12,000 WSolar input
- 5 yearsWarranty
Check price at SunGoldPower$2,450
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Sells to the grid with UL 1741 SB listing for utility approval
- Takes 12,000 W of panels on three MPPTs
- Outdoor-rated with Wi-Fi in the box
- Stacks up to nine units
Cons
- Needs a battery to run off-grid
- Idle draw and efficiency not published
- Pricey per kW next to off-grid units
The SunGoldPower SGN family
Every SunGoldPower SGN model we rank, smallest first. Ratings compare each against its own output.
| Model | Output | Rating | Price |
|---|---|---|---|
| SunGoldPower SGN7.6K1HB-48 (this one) | 7.6 kW | 4.0/5 | $2,450 |
| SunGoldPower SGN-11K15PRO | 11.4 kW | 3.9/5 | $2,850 |
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 | SGN7.6K1HB-48 |
|---|---|
| Output | |
| Output voltage | 120/240 V split-phase |
| Continuous output | 7,600 W |
| Surge | 15,200 W |
| Transfer time | 10 ms |
| Parallel units | Up to 9 units |
| Solar | |
| Max PV power | 12,000 W |
| Max PV voltage (Voc) | 600 V |
| MPPT range | 70 to 540 V |
| MPPT trackers | 3 |
| PV current per tracker | 30 A |
| Runs without battery | No |
| Battery and grid | |
| Battery voltage | 48 V |
| Battery types | Lithium, lead-acid |
| Max charge current | 210 A |
| Battery communication | Yes |
| Grid sell-back | Yes |
| Generator input | Yes |
| UL 1741 | UL 1741 SB |
| Build | |
| App monitoring | Included |
| Enclosure | NEMA 3R |
| Dimensions | 420 x 800 x 240 mm |
| Weight | 88 lb |
| Warranty | 5 years |
| Released | 2026-05 |
Alternatives in this output
Sol-Ark Limitless 12K-2P-LL
For homes that want Sol-Ark’s backup and grid-sell features on a smaller budget, usually on a critical-loads panel. Its high idle draw is the main trade-off.
Shop Solar Kits $3,849$3,849
EG4 6000XP
For off-grid homes and cabins that need 240 V at a low price per kW. It does the job of two 120 V inverters in one box, but can’t export to the grid.
Signature Solar $1,499.99 Shop Solar Kits $1,499.99$1,499.99
Compare
Compare the SunGoldPower SGN7.6K1HB-48 with any other hybrid solar inverter →
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