Victron Phoenix 48/1600
#2 in Up to 1,500 WFull review
The largest plug-in Victron inverter for 48 V, sized for a microwave or kettle. Above this, Victron’s 48 V 120 V range is MultiPlus and Quattro inverter-chargers.
Inverters R Us $362.10$362.10
The Victron Phoenix 48/1600 is the better 48V inverter overall, rated 4.1 to 2.7. The Victron Phoenix 48/1600 leads on safety listing, warranty and value. The Cotek SP-1500-148 wins on efficiency. The Victron Phoenix 48/1600 costs $199.90 less ($362.10 vs $562).
Cotek SP-1500-148
#12 in Up to 1,500 WFull review
A plain, efficient 1,500 W inverter for a 48 V cabin or shop bank that plugs loads in directly.
Northern Arizona Wind & Sun $562 Inverters R Us $562$562
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 48/1600 for safety listing (LabTest certified to UL 458 (certificate LC20760-1) vs no UL 458 or UL 1741 listing stated), warranty (5-year warranty vs 2-year warranty) and value ($0.24 per continuous watt vs $0.38 per continuous watt).
- Choose the Cotek SP-1500-148 for efficiency (93% peak efficiency (maker rating) vs 92% 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 48/1600 | Cotek SP-1500-148 |
|---|---|---|
| Overall rating | 4.1/5 | 2.7/5 |
| Value 30% | 76 $0.24 per continuous watt | 54 $0.38 per continuous watt |
| Idle draw 15% | 62 15 W idle with nothing plugged in | 25 24 W idle with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 458 (certificate LC20760-1) | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 100 5-year warranty | 25 2-year warranty |
| Features 15% | 20 optional remote, app add-on; no hardwire terminal | 10 optional remote; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 89 93% peak efficiency (maker rating) |
Specifications
| Victron Phoenix 48/1600 | Cotek SP-1500-148 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| AC output | 120 V | 120 V |
| Continuous power | 1,500 W | 1,500 W |
| Surge power | 2,100 W for 15 s | 2,650 W for 3 s |
| DC input range | 36.8 to 62 V | 42 to 66 V |
| Idle draw | 15 W (0.3 A at 48 V) | 24 W (0.5 A at 48 V) |
| Power-saving draw | 3 W | 2.4 W |
| Peak efficiency | 92% | 93% |
| 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) | No |
| Cooling | fan | load-controlled fan |
| Dimensions | 117 x 231 x 365 mm (4.6 x 9.1 x 14.4 in) | 248 x 83 x 421 mm (9.8 x 3.3 x 16.6 in) |
| Weight | 18 lb | 9.1 lb |
| Warranty | 5 years | 2 years |