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 2.9. The Renogy PUH 2000W with Transfer Switch leads on safety listing, features and idle draw. The Giandel GS-2000SAR 2000W Pure Sine wins on value and warranty. The Giandel GS-2000SAR 2000W Pure Sine costs $126.17 less ($238.82 vs $364.99).
Giandel GS-2000SAR 2000W Pure Sine
#32 in 1,100 to 2,000 WFull review
A plug-in 2000 W inverter for campers who want GFCI outlets and two remotes. Pick the PS-2000SDR instead if you need to hardwire it.
Amazon $249.95 Giandel $238.82$238.82
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 safety listing (UL certified to UL 458 and CSA C22.2 No. 107.1-01 vs no UL 458 or UL 1741 listing stated), features (remote included, app, transfer switch, hardwire terminal vs remote included, display; no app) and idle draw (1.5 A idle (about 18 W) with nothing plugged in vs 2 A idle (about 24 W) with nothing plugged in).
- Choose the Giandel GS-2000SAR 2000W Pure Sine for value ($0.12 per continuous watt vs $0.18 per continuous watt) and warranty (1.5-year warranty vs 1-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 PUH 2000W with Transfer Switch | Giandel GS-2000SAR 2000W Pure Sine |
|---|---|---|
| Overall rating | 3.8/5 | 2.9/5 |
| Value 30% | 74 $0.18 per continuous watt | 92 $0.12 per continuous watt |
| Idle draw 15% | 33 1.5 A idle (about 18 W) with nothing plugged in | 0 2 A idle (about 24 W) with nothing plugged in |
| Safety listing 15% | 100 UL certified to UL 458 and CSA C22.2 No. 107.1-01 | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 0 1-year warranty | 12 1.5-year warranty |
| Features 15% | 95 remote included, app, transfer switch, hardwire terminal | 35 remote included, display; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| Renogy PUH 2000W with Transfer Switch | Giandel GS-2000SAR 2000W Pure Sine | |
|---|---|---|
| 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 | 4,100 W for 2 s |
| DC input range | 11 to 15.5 V | 9.8 to 16 V |
| Idle draw | 1.5 A (18 W) | 2 A (24 W) |
| Peak efficiency | 92% | 91% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | Yes | No |
| USB ports | 1 | 1 |
| Transfer switch | Yes | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Included | Included |
| App | Built in | No |
| Display | - | Yes |
| Safety listing | UL certified to UL 458 and CSA C22.2 No. 107.1-01 | No |
| Cooling | fan | - |
| Dimensions | 18.3 x 9.9 x 3.8 in | 14 x 8 x 3.9 in |
| Weight | 12.8 lb | 9.5 lb |
| Warranty | 1 year | 1.5 years |