Victron Phoenix 48/375
#5 in Up to 1,500 WFull review
A small, frugal inverter for electronics on a 48 V system. Good for a dedicated low-power circuit next to a larger inverter.
The Victron Phoenix 48/375 is the better 48V inverter overall, rated 3.8 to 3.1. The Victron Phoenix 48/375 leads on warranty, idle draw and features. The Samlex PST-600-48 wins on efficiency.
Samlex PST-600-48
#9 in Up to 1,500 WFull review
For a small 48 V solar setup running electronics, lights and a router, with a real safety listing.
Amazon $400 Mr. Solar $348$348
Prices were last checked October 24, 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 Victron Phoenix 48/375 for warranty (5-year warranty vs 3-year warranty), idle draw (9 W idle with nothing plugged in vs 14.4 W idle with nothing plugged in) and features (optional remote, app add-on; no hardwire terminal vs optional remote; no app).
- Choose the Samlex PST-600-48 for efficiency (90% peak efficiency (maker rating) vs 88% peak efficiency (maker rating)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1,500 W 48V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron Phoenix 48/375 | Samlex PST-600-48 |
|---|---|---|
| Overall rating | 3.8/5 | 3.1/5 |
| Value 30% | 50 no current price (neutral score used) | 20 $0.58 per continuous watt |
| Idle draw 15% | 88 9 W idle with nothing plugged in | 65 14.4 W idle with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 458 (certificate LC20760-1) | 100 Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Warranty 15% | 100 5-year warranty | 50 3-year warranty |
| Features 15% | 20 optional remote, app add-on; no hardwire terminal | 10 optional remote; no app |
| Efficiency 10% | 33 88% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Victron Phoenix 48/375 | Samlex PST-600-48 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| AC output | 120 V | 120 V |
| Continuous power | 375 W | 600 W |
| Surge power | 600 W for 2 s | 1,000 W |
| DC input range | 36.8 to 62 V | 42 to 60 V |
| Idle draw | 9 W (0.2 A at 48 V) | 14.4 W (0.3 A at 48 V) |
| Power-saving draw | 2 W | - |
| Peak efficiency | 88% | 90% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | No | No |
| USB ports | None | None |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | No |
| Display | No | No |
| Safety listing | LabTest certified to UL 458 (certificate LC20760-1) | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | fan | fan |
| Dimensions | 86 x 165 x 260 mm (3.4 x 6.5 x 10.2 in) | 238 x 276.2 x 82 mm (9.4 x 10.9 x 3.2 in) |
| Weight | 6.6 lb | 5.9 lb |
| Warranty | 5 years | 3 years |