MPP Solar 3048LV-MK
#12 in 120 VFull review
A small 48 V online inverter for cabins and backup circuits where zero transfer time matters more than solar headroom.
MPP Solar US store $619$619
The MPP Solar 3048LV-MK and the Growatt SPF 3000TL LVM-US are evenly matched, rated 2.8 and 2.8. The MPP Solar 3048LV-MK leads on efficiency. The Growatt SPF 3000TL LVM-US wins on features, solar input and warranty.
Growatt SPF 3000TL LVM-US
#13 in 120 VFull review
For a cabin, shed or RV on a 48 V battery that needs about 3 kW of 120 V power. The 3500 W version is the one in stock.
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 MPP Solar 3048LV-MK for efficiency (91% peak efficiency, 40 W idle vs 90% peak efficiency, 60 W idle).
- Choose the Growatt SPF 3000TL LVM-US for features (UL 1741 listed, Wi-Fi add-on, parallel stacking; no grid sell-back vs Wi-Fi add-on, parallel stacking; not UL 1741 listed), solar input (4,000 W of panels, 280 V max, 1 MPPT vs 4,000 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 | MPP Solar 3048LV-MK | Growatt SPF 3000TL LVM-US |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 30% | 65 $206 per kW of continuous output | 50 no current price (neutral score used) |
| Solar input 20% | 27 4,000 W of panels, 145 V max, 1 MPPT | 36 4,000 W of panels, 280 V max, 1 MPPT |
| Efficiency 20% | 40 91% peak efficiency, 40 W idle | 17 90% peak efficiency, 60 W idle |
| Features 15% | 30 Wi-Fi add-on, parallel stacking; not UL 1741 listed | 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
| MPP Solar 3048LV-MK | Growatt SPF 3000TL LVM-US | |
|---|---|---|
| Output | ||
| Output voltage | 120 V single-phase | 120 V single-phase |
| Continuous output | 3,000 W | 3,000 W |
| Surge | 6,000 W | 6,000 W |
| Peak efficiency | 91% | 90% |
| Idle draw | 40 W | 60 W |
| Transfer time | - | 10 ms |
| Parallel units | Up to 9 units | Up to 6 units |
| Solar | ||
| Max PV power | 4,000 W | 4,000 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 | - | 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 | 140 A | 80 A |
| AC charge current | 60 A | 40 A |
| Grid sell-back | No | No |
| Generator input | No | No |
| UL 1741 | No | Yes |
| Build | ||
| App monitoring | Optional add-on | Optional add-on |
| Enclosure | - | IP20 (NEMA Type 1) |
| Dimensions | 120 x 295 x 468 mm | 330 x 485 x 135 mm |
| Weight | 24.3 lb | 26.5 lb |
| Warranty | 1 year | 2 years |
| Released | 2020-02 | 2023-02 |