ECO-WORTHY 3500W 48V AIO Inverter
#8 in 120 VFull review
For a small 120 V cabin or shed system on a 48 V battery that needs a UL-listed unit for little money. Large arrays are better served by a 500 V input.
Amazon ECO-WORTHY $499.99$499.99
The ECO-WORTHY 3500W 48V AIO Inverter is the better hybrid solar inverter overall, rated 3.1 to 2.9. The ECO-WORTHY 3500W 48V AIO Inverter leads on value. The Growatt SPF 3500TL LVM-US wins on solar input and warranty. The ECO-WORTHY 3500W 48V AIO Inverter costs $199.01 less ($499.99 vs $699).
Growatt SPF 3500TL LVM-US
#10 in 120 VFull review
For a cabin, shed or backup circuit that needs 3.5 kW of 120 V power from a 48 V battery at a low price. Add a second unit later for 240 V.
Amazon$699
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 ECO-WORTHY 3500W 48V AIO Inverter for value ($143 per kW of continuous output vs $200 per kW of continuous output).
- Choose the Growatt SPF 3500TL LVM-US for solar input (4,500 W of panels, 280 V max, 1 MPPT vs 4,400 W of panels, 145 V max, 1 MPPT) and warranty (2-year warranty vs 1-year warranty).
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 | ECO-WORTHY 3500W 48V AIO Inverter | Growatt SPF 3500TL LVM-US |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 30% | 86 $143 per kW of continuous output | 67 $200 per kW of continuous output |
| Solar input 20% | 23 4,400 W of panels, 145 V max, 1 MPPT | 34 4,500 W of panels, 280 V max, 1 MPPT |
| Efficiency 20% | 32 91% peak efficiency | 17 90% peak efficiency, 60 W idle |
| Features 15% | 65 UL 1741 listed, Wi-Fi add-on, parallel stacking; no grid sell-back | 60 UL 1741 listed, Wi-Fi add-on, parallel stacking; no grid sell-back |
| Warranty 15% | 0 1-year warranty | 11 2-year warranty |
Specifications
| ECO-WORTHY 3500W 48V AIO Inverter | Growatt SPF 3500TL LVM-US | |
|---|---|---|
| Output | ||
| Output voltage | 120 V single-phase | 120 V single-phase |
| Continuous output | 3,500 W | 3,500 W |
| Surge | 6,000 W | 7,000 W |
| Peak efficiency | 91% | 90% |
| Idle draw | - | 60 W |
| Transfer time | 10 ms | 10 ms |
| Parallel units | Up to 6 units | Up to 6 units |
| Solar | ||
| Max PV power | 4,400 W | 4,500 W |
| Max PV voltage (Voc) | 145 V | 280 V |
| MPPT range | 60 to 115 V | 120 to 225 V |
| MPPT trackers | 1 | 1 |
| PV current per tracker | 50 A | 22 A |
| Runs without battery | - | Yes |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | - | Lithium, lead-acid |
| Max charge current | 120 A | 80 A |
| AC charge current | 40 A | 40 A |
| Grid sell-back | No | No |
| Generator input | - | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Optional add-on | Optional add-on |
| Enclosure | - | IP20 (NEMA Type 1) |
| Dimensions | 426 x 322 x 124 mm | 330 x 485 x 135 mm |
| Weight | 23.1 lb | 26.5 lb |
| Warranty | 1 year | 2 years |
| Released | - | 2023-02 |