Samlex NTX-1000-12
#16 in Up to 1,000 WFull review
For RV and van owners who want a listed 1,000 W inverter with a remote, without paying PST prices.
Amazon $373.32$373.32
The Samlex NTX-1000-12 is the better 12V inverter overall, rated 3.1 to 2.6. The Samlex NTX-1000-12 leads on value, efficiency and idle draw. The Samlex PST-1000-12HD wins on warranty. The Samlex NTX-1000-12 costs $264.23 less ($373.32 vs $637.55).
Samlex PST-1000-12HD
#24 in Up to 1,000 WFull review
For RV and boat builders who need a listed 1,000 W inverter that can be hardwired. Shoppers on a budget get more from the NTX-1000-12.
Amazon $637.55$637.55
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-1000-12 for value ($0.37 per continuous watt vs $0.64 per continuous watt), efficiency (90.5% peak efficiency (maker rating) vs 88% peak efficiency (maker rating)) and idle draw (0.8 A idle (about 9.6 W) with nothing plugged in vs 0.9 A idle (about 10.8 W) with nothing plugged in).
- Choose the Samlex PST-1000-12HD for warranty (3-year warranty vs 2-year warranty).
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 | Samlex NTX-1000-12 | Samlex PST-1000-12HD |
|---|---|---|
| Overall rating | 3.1/5 | 2.6/5 |
| Value 30% | 47 $0.37 per continuous watt | 0 $0.64 per continuous watt |
| Idle draw 15% | 27 0.8 A idle (about 9.6 W) with nothing plugged in | 13 0.9 A idle (about 10.8 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 Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Warranty 15% | 25 2-year warranty | 50 3-year warranty |
| Features 15% | 25 remote included; no app | 28 optional remote, hardwire terminal; no app |
| Efficiency 10% | 61 90.5% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
Specifications
| Samlex NTX-1000-12 | Samlex PST-1000-12HD | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,000 W | 1,000 W |
| Surge power | 2,000 W for 1 s | 2,000 W for 8 ms |
| DC input range | 10.5 to 16.3 V | 10 to 18 V |
| Idle draw | 0.8 A (9.6 W) | 0.9 A (10.8 W) |
| Peak efficiency | 90.5% | 88% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | No | Yes |
| 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 | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | load-controlled fan | fan |
| Dimensions | 216 x 281 x 92 mm (8.50 x 11.06 x 3.62 in) | 333 x 238 x 82 mm |
| Weight | 5.4 lb | 8.3 lb |
| Warranty | 2 years | 3 years |