Victron Phoenix 12/375
#5 in Up to 1,000 WFull review
A compact, frugal inverter for electronics in a van, boat or truck.
Amazon DRSA $132.60$132.60
The Victron Phoenix 12/375 is the better 12V inverter overall, rated 3.6 to 2.9. The Victron Phoenix 12/375 leads on warranty, value and idle draw. The Xantrex PROwatt SW 600 wins on efficiency. The Victron Phoenix 12/375 costs $142.83 less ($132.60 vs $275.43).
Xantrex PROwatt SW 600
#20 in Up to 1,000 WFull review
A small, listed inverter for CPAPs, laptops and TVs in a trailer or van. You pay a premium for the listing and Xantrex support.
Amazon $275.43$275.43
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 12/375 for warranty (5-year warranty vs 2-year warranty), value ($0.35 per continuous watt vs $0.51 per continuous watt) and idle draw (0.5 A idle (about 6 W) with nothing plugged in vs 0.6 A idle (about 7.2 W) with nothing plugged in).
- Choose the Xantrex PROwatt SW 600 for efficiency (90% peak efficiency (maker rating) vs 86% peak efficiency (maker rating)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron Phoenix 12/375 | Xantrex PROwatt SW 600 |
|---|---|---|
| Overall rating | 3.6/5 | 2.9/5 |
| Value 30% | 51 $0.35 per continuous watt | 19 $0.51 per continuous watt |
| Idle draw 15% | 67 0.5 A idle (about 6 W) with nothing plugged in | 53 0.6 A idle (about 7.2 W) with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 458 (certificate LC20760-1) | 100 ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Warranty 15% | 100 5-year warranty | 25 2-year warranty |
| Features 15% | 25 optional remote, app add-on; no hardwire terminal | 22 optional remote, display; no app |
| Efficiency 10% | 11 86% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Victron Phoenix 12/375 | Xantrex PROwatt SW 600 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 375 W | 540 W |
| Surge power | 600 W for 2 s | 1,200 W |
| DC input range | 9.2 to 17 V | 10.5 to 15.5 V |
| Idle draw | 0.5 A (6 W) | 0.6 A (7.2 W) |
| Power-saving draw | 0.1 A | - |
| Peak efficiency | 86% | 90% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | No | No |
| USB ports | None | 1 |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | No |
| Display | No | Yes |
| Safety listing | LabTest certified to UL 458 (certificate LC20760-1) | ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Cooling | fan | load-controlled fan |
| Dimensions | 86 x 165 x 260 mm (3.4 x 6.5 x 10.2 in) | 12.2 x 8.7 x 3.5 in (310 x 220 x 89 mm) |
| Weight | 6.6 lb | 6.5 lb |
| Warranty | 5 years | 2 years |
| Released | - | 2009-10 |