Renogy Pro 2000W Pure Sine
A good fit for RVs and vans that run a fridge or fan all night, since the low idle draw saves battery. Expect to hardwire it rather than plug into the unit.
Amazon $333.99$333.99
The Renogy Pro 2000W Pure Sine is the better 12V inverter overall, rated 4.0 to 2.8. The Renogy Pro 2000W Pure Sine leads on value, efficiency and features. The Samlex PST-2000-12 wins on warranty. The Renogy Pro 2000W Pure Sine costs $763 less ($333.99 vs $1,096.99).
Samlex PST-2000-12
#34 in 1,100 to 2,000 WFull review
For listed 2,000 W installs in RVs and boats. The NTX-2000-12 is the cheaper Samlex for most buyers.
Amazon $1,096.99$1,096.99
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 Pro 2000W Pure Sine for value ($0.17 per continuous watt vs $0.55 per continuous watt), efficiency (92% peak efficiency (maker rating) vs 85% peak efficiency (maker rating)) and features (remote included, app, hardwire terminal vs optional remote, hardwire terminal; no app).
- Choose the Samlex PST-2000-12 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 1,100 to 2,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy Pro 2000W Pure Sine | Samlex PST-2000-12 |
|---|---|---|
| Overall rating | 4.0/5 | 2.8/5 |
| Value 30% | 79 $0.17 per continuous watt | 0 $0.55 per continuous watt |
| Idle draw 15% | 80 0.8 A idle (about 9.6 W) with nothing plugged in | 67 1 A idle (about 12 W) with nothing plugged in |
| Safety listing 15% | 100 UL 458, CSA C22.2 No. 107.1-01 (certification marks: UL, CSA) | 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% | 70 remote included, app, hardwire terminal | 28 optional remote, hardwire terminal; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 0 85% peak efficiency (maker rating) |
Specifications
| Renogy Pro 2000W Pure Sine | Samlex PST-2000-12 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 2,000 W | 2,000 W |
| Surge power | 4,000 W for 150 ms | 3,500 W |
| DC input range | - | 10.7 to 16.5 V |
| Idle draw | 0.8 A (9.6 W) | 1 A (12 W) |
| Peak efficiency | 92% | 85% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | Yes | Yes |
| USB ports | 1 | None |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | No |
| Display | - | No |
| Safety listing | UL 458, CSA C22.2 No. 107.1-01 (certification marks: UL, CSA) | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | fan | fan |
| Dimensions | 16.41 x 9.86 x 3.8 in | 263 x 468.2 x 105.6 mm |
| Weight | 10.7 lb | 15.6 lb |
| Warranty | 2 years | 3 years |