A small, well-protected inverter for laptops, TVs, CPAP machines and chargers in a van, truck or boat. Pick a bigger size if you want to run kitchen appliances.
Amazon $139.99The Renogy P2 700W Pure Sine is the better 12V inverter overall, rated 3.4 to 3.0. The Renogy P2 700W Pure Sine leads on features and idle draw. The Samlex NTX-600-12 wins on warranty and efficiency.
For small RVs and vans that want a listed 600 W inverter for electronics and a small fridge.
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 Renogy P2 700W Pure Sine for features (remote included, hardwire terminal; no app vs outlets only) 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 NTX-600-12 for warranty (2-year warranty vs 1-year warranty) and efficiency (91% peak efficiency (maker rating) vs 90% 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 | Renogy P2 700W Pure Sine | Samlex NTX-600-12 |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 30% | 83 $0.20 per continuous watt | 50 no current price (neutral score used) |
| 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 ETL listed to UL 458 and CSA C22.2 No. 107.1-01 | 100 Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Warranty 15% | 0 1-year warranty | 25 2-year warranty |
| Features 15% | 40 remote included, hardwire terminal; no app | 0 outlets only |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| Renogy P2 700W Pure Sine | Samlex NTX-600-12 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 700 W | 600 W |
| Surge power | 1,400 W | 1,200 W for 1 s |
| DC input range | 10.5 to 16.5 V | 10.5 to 16.3 V |
| Idle draw | 0.8 A (9.6 W) | 0.9 A (10.8 W) |
| Peak efficiency | 90% | 91% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | No |
| Hardwire terminal | Yes | No |
| USB ports | 1 | 1 |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Included | No |
| App | No | No |
| Display | No | No |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1-01 | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | fan | load-controlled fan |
| Dimensions | 12.2 x 7.4 x 3.3 in | 155 x 254 x 59 mm |
| Weight | 5.3 lb | 2.4 lb |
| Warranty | 1 year | 2 years |
