A listed low-frequency inverter-charger for cabins, backup and RVs with hard-starting motor loads. It is heavy and idles high, but few listed units surge this long.
Amazon $1,069The AIMS Power 2000W Inverter Charger (ETL) rates 3.8 among inverter-chargers 12V inverters; the Renogy PUH 2000W with Transfer Switch rates 3.8 among 1,100 to 2,000 W ones. The Renogy PUH 2000W with Transfer Switch costs $704.01 less ($364.99 vs $1,069).

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 $364.99Prices 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.
Scores side by side
These two sit in different size classes (inverter-chargers and 1,100 to 2,000 W), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | AIMS Power 2000W Inverter Charger (ETL) | Renogy PUH 2000W with Transfer Switch |
|---|---|---|
| Overall rating | 3.8/5 | 3.8/5 |
| Value 30% | 62 $0.53 per continuous watt | 74 $0.18 per continuous watt |
| Idle draw 15% | 40 2.3 A idle (about 28 W) with nothing plugged in | 33 1.5 A idle (about 18 W) with nothing plugged in |
| Safety listing 15% | 100 ETL listed to UL 458 and CSA C22.2 No. 107.1 | 100 UL certified to UL 458 and CSA C22.2 No. 107.1-01 |
| Warranty 15% | 50 3-year warranty | 0 1-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 95 remote included, app, transfer switch, hardwire terminal |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 78 92% peak efficiency (maker rating) |
Specifications
| AIMS Power 2000W Inverter Charger (ETL) | Renogy PUH 2000W with Transfer Switch | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| Continuous power | 2,000 W | 2,000 W |
| Surge power | 6,000 W for 20 s | 4,000 W for 2 s |
| DC input range | 10 to 16 V | 11 to 15.5 V |
| Idle draw | 2.3 A (28 W) | 1.5 A (18 W) |
| Power-saving draw | 1.1 A | - |
| Peak efficiency | 92% | 92% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | Yes | Yes |
| USB ports | None | 1 |
| Transfer switch | Yes | Yes |
| Charger | 70 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Included |
| App | Optional add-on | Built in |
| Display | No | - |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1 | UL certified to UL 458 and CSA C22.2 No. 107.1-01 |
| Cooling | load-controlled fan | fan |
| Dimensions | 15.35 x 11 x 7 in | 18.3 x 9.9 x 3.8 in |
| Weight | 47.4 lb | 12.8 lb |
| Warranty | 3 years | 1 year |
| Released | 2015-09 | - |