Renogy PUH 2000W with Transfer Switch
A 2000 W inverter with automatic changeover for RVs that want appliances to keep running when shore power drops. You still need a separate charger.
Amazon $364.99$364.99
The Renogy PUH 2000W with Transfer Switch is the better 12V inverter overall, rated 3.8 to 2.8. The Renogy PUH 2000W with Transfer Switch leads on value, features and efficiency. The Samlex PST-2000-12 wins on warranty and idle draw. The Renogy PUH 2000W with Transfer Switch costs $732 less ($364.99 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 PUH 2000W with Transfer Switch for value ($0.18 per continuous watt vs $0.55 per continuous watt), features (remote included, app, transfer switch, hardwire terminal vs optional remote, hardwire terminal; no app) and efficiency (92% peak efficiency (maker rating) vs 85% peak efficiency (maker rating)).
- Choose the Samlex PST-2000-12 for warranty (3-year warranty vs 1-year warranty) and idle draw (1 A idle (about 12 W) with nothing plugged in vs 1.5 A idle (about 18 W) with nothing plugged in).
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 PUH 2000W with Transfer Switch | Samlex PST-2000-12 |
|---|---|---|
| Overall rating | 3.8/5 | 2.8/5 |
| Value 30% | 74 $0.18 per continuous watt | 0 $0.55 per continuous watt |
| Idle draw 15% | 33 1.5 A idle (about 18 W) with nothing plugged in | 67 1 A idle (about 12 W) with nothing plugged in |
| Safety listing 15% | 100 UL certified 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 | 50 3-year warranty |
| Features 15% | 95 remote included, app, transfer switch, 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 PUH 2000W with Transfer Switch | 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 2 s | 3,500 W |
| DC input range | 11 to 15.5 V | 10.7 to 16.5 V |
| Idle draw | 1.5 A (18 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 | Yes | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | No |
| Display | - | No |
| Safety listing | UL certified 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 | fan |
| Dimensions | 18.3 x 9.9 x 3.8 in | 263 x 468.2 x 105.6 mm |
| Weight | 12.8 lb | 15.6 lb |
| Warranty | 1 year | 3 years |