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
2.8/5
A small 48 V online inverter for cabins and backup circuits where zero transfer time matters more than solar headroom.
- 3 kWOutput
- 48 VBattery
- 4,000 WSolar input
- 40 WIdle draw
- 1 yearWarranty
Check price at MPP Solar US store$619
Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Zero transfer time keeps computers and sensitive loads running through outages
- Low price for a 48 V, 3 kW inverter
- Stacks up to nine units for more power or 240 V
Cons
- 145 V input limit means short panel strings
- Generators are not recommended on the AC input
- One-year warranty and no UL listing
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 | PIP-3048LV-MK |
|---|---|
| Output | |
| Output voltage | 120 V single-phase |
| Continuous output | 3,000 W |
| Surge | 6,000 W |
| Peak efficiency | 91% |
| Idle draw | 40 W |
| Parallel units | Up to 9 units |
| Solar | |
| Max PV power | 4,000 W |
| Max PV voltage (Voc) | 145 V |
| MPPT range | 60 to 115 V |
| MPPT trackers | 1 |
| Battery and grid | |
| Battery voltage | 48 V |
| Battery types | Lithium, lead-acid |
| Max charge current | 140 A |
| AC charge current | 60 A |
| Grid sell-back | No |
| Generator input | No |
| UL 1741 | No |
| Build | |
| App monitoring | Optional add-on |
| Dimensions | 120 x 295 x 468 mm |
| Weight | 24.3 lb |
| Warranty | 1 year |
| Released | 2020-02 |
Alternatives in this output
SunGoldPower SPH302460A
#11 in 120 VFull review
A UL-listed 3 kW 24 V inverter for RVs and small cabins with 12 V-style panels. Pick the SPH302480A for long high-voltage strings.
Amazon SunGoldPower $445$445
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.
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