Samlex NTX-1500-12
#13 in 1,100 to 2,000 WFull review
For RVs and vans that want a listed inverter for a microwave or coffee maker at a fair price.
Amazon $422.50$422.50
The Samlex NTX-1500-12 and the Go Power! SSW-1500-12 are evenly matched, rated 3.4 and 3.4. The Samlex NTX-1500-12 leads on features. The Go Power! SSW-1500-12 wins on efficiency. The Samlex NTX-1500-12 costs $33.47 less ($422.50 vs $455.97).
Go Power! SSW-1500-12
#20 in 1,100 to 2,000 WFull review
For RVs building around Go Power’s PowerTrak system that want an efficient 1500 W inverter with very low powersave draw.
Amazon $455.97$455.97
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 Samlex NTX-1500-12 for features (remote included; no app vs optional remote; no app).
- Choose the Go Power! SSW-1500-12 for efficiency (93% peak efficiency (maker rating) vs 90.5% peak efficiency (maker rating)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1,100 to 2,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Samlex NTX-1500-12 | Go Power! SSW-1500-12 |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 30% | 47 $0.28 per continuous watt | 41 $0.30 per continuous watt |
| Idle draw 15% | 80 0.8 A idle (about 9.6 W) with nothing plugged in | 80 0.8 A idle (about 9.6 W) with nothing plugged in |
| Safety listing 15% | 100 Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 | 100 UL Listed (product page); UL 458 mark on the spec sheet |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 25 remote included; no app | 12 optional remote; no app |
| Efficiency 10% | 61 90.5% peak efficiency (maker rating) | 89 93% peak efficiency (maker rating) |
Specifications
| Samlex NTX-1500-12 | Go Power! SSW-1500-12 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,500 W | 1,500 W |
| Surge power | 3,000 W for 1 s | 3,000 W for 2 s |
| DC input range | 10.5 to 16.3 V | 10.8 to 16 V |
| Idle draw | 0.8 A (9.6 W) | 0.8 A (9.6 W) |
| Power-saving draw | - | 0.2 A |
| Peak efficiency | 90.5% | 93% |
| Connections | ||
| AC outlets | 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 | Included | Optional extra |
| App | No | No |
| Display | No | No |
| Safety listing | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 | UL Listed (product page); UL 458 mark on the spec sheet |
| Cooling | load-controlled fan | - |
| Dimensions | 216 x 333 x 92 mm | 385 x 228 x 104 mm (15.2 x 9.0 x 4.1 in) |
| Weight | 7.8 lb | 12.9 lb |
| Warranty | 2 years | 2 years |