Renogy 3500W 48V Pure Sine Inverter
#6 in 120 VFull review
For a 120 V cabin, shed or backup circuit on a 48 V battery where a UL listing matters. The low-voltage solar input suits small arrays, not large roofs.
Amazon Renogy $599.99$599.99
The Renogy 3500W 48V Pure Sine Inverter is the better hybrid solar inverter overall, rated 3.3 to 2.9. The Renogy 3500W 48V Pure Sine Inverter leads on efficiency and value. The Growatt SPF 3500TL LVM-US wins on solar input. The Renogy 3500W 48V Pure Sine Inverter costs $99.01 less ($599.99 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 Renogy 3500W 48V Pure Sine Inverter for efficiency (95% peak efficiency, 50 W idle vs 90% peak efficiency, 60 W idle) and value ($171 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, 150 V max, 1 MPPT).
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 | Renogy 3500W 48V Pure Sine Inverter | Growatt SPF 3500TL LVM-US |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Value 30% | 76 $171 per kW of continuous output | 67 $200 per kW of continuous output |
| Solar input 20% | 23 4,400 W of panels, 150 V max, 1 MPPT | 34 4,500 W of panels, 280 V max, 1 MPPT |
| Efficiency 20% | 58 95% peak efficiency, 50 W idle | 17 90% peak efficiency, 60 W idle |
| Features 15% | 62 UL 1741 listed, Wi-Fi add-on, battery communication; no grid sell-back | 60 UL 1741 listed, Wi-Fi add-on, parallel stacking; no grid sell-back |
| Warranty 15% | 11 2-year warranty | 11 2-year warranty |
Specifications
| Renogy 3500W 48V Pure Sine 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 | 7,000 W | 7,000 W |
| Peak efficiency | 95% | 90% |
| Idle draw | 50 W | 60 W |
| Transfer time | 10 ms | 10 ms |
| Parallel units | - | Up to 6 units |
| Solar | ||
| Max PV power | 4,400 W | 4,500 W |
| Max PV voltage (Voc) | 150 V | 280 V |
| MPPT range | 60 to 150 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 | Lithium, lead-acid |
| Max charge current | 120 A | 80 A |
| AC charge current | 120 A | 40 A |
| Battery communication | Yes | - |
| 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 | 444.8 x 330 x 124 mm | 330 x 485 x 135 mm |
| Weight | 22.4 lb | 26.5 lb |
| Warranty | 2 years | 2 years |
| Released | 2025-07 | 2023-02 |