ECO-WORTHY Synch 12KP
For grid-connected homes that want battery backup and solar export from one 12 kW unit. Off-grid buyers can get the same power for less from an off-grid model.
Amazon ECO-WORTHY $2,969.99$2,969.99
3.7/5
A low-cost UL-listed split-phase inverter for off-grid homes and backup with a generator.
- 6.5 kWOutput
- 48 VBattery
- 10,000 WSolar input
- 1 yearWarranty
Check price at AmazonCheck price at SunGoldPower$1,150
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- One UL-listed unit makes 240 V for well pumps and dryers
- Takes 10,000 W of panels on two inputs
- Separate generator input
- Low price per kW for split phase
Cons
- No grid sell-back
- Idle draw not published
- One-year warranty
The SunGoldPower SPH split-phase family
Every SunGoldPower SPH split-phase model we rank, smallest first. Ratings compare each against its own output.
| Model | Output | Rating | Price |
|---|---|---|---|
| SunGoldPower SPH6548P (this one) | 6.5 kW | 3.7/5 | $1,150 |
| SunGoldPower SPH8048P | 8 kW | 3.6/5 | $1,450 |
| SunGoldPower SPH10048P | 10 kW | 3.5/5 | $1,580 |
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 | SPH6548P |
|---|---|
| Output | |
| Output voltage | 120/240 V split-phase |
| Continuous output | 6,500 W |
| Surge | 13,000 W |
| Peak efficiency | 93% |
| Transfer time | 10 ms |
| Parallel units | Up to 6 units |
| Solar | |
| Max PV power | 10,000 W |
| Max PV voltage (Voc) | 550 V |
| MPPT range | 150 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, user-defined |
| Max charge current | 140 A |
| AC charge current | 80 A |
| Battery communication | Yes |
| Grid sell-back | No |
| Generator input | Yes |
| UL 1741 | Yes |
| Build | |
| App monitoring | Optional add-on |
| Enclosure | IP20 |
| Dimensions | 23 x 16.2 x 5.2 in |
| Weight | 42 lb |
| Warranty | 1 year |
| Released | 2024-08 |
Alternatives in this output
PowMr FU12-248P
For off-grid or backup homes that need a lot of split-phase power and solar input at the lowest price per kW. It has a UL listing but a short warranty.
Amazon PowMr $1,069$1,069
ECO-WORTHY Liber 6kP
For off-grid cabins and small homes that need 240 V loads on a budget. One unit covers a modest house and more can be added later.
Amazon ECO-WORTHY $789.99$789.99
Compare
Compare the SunGoldPower SPH6548P with any other hybrid solar inverter →
More from SunGoldPower: every SunGoldPower product ranked.