AIMS Power 2000W Pure Sine w/ Transfer
A low-cost listed 2000 W inverter with a transfer switch, for RVs that already have a converter. It undercuts the Freedom X 2000 by a wide margin but idles higher.
Amazon $469$469
The AIMS Power 2000W Pure Sine w/ Transfer is the better 12V inverter overall, rated 3.5 to 3.4. The AIMS Power 2000W Pure Sine w/ Transfer leads on safety listing. The LiTime 2000W 12V Inverter with ATS wins on value and features. The LiTime 2000W 12V Inverter with ATS costs $223.01 less ($245.99 vs $469).
LiTime 2000W 12V Inverter with ATS
#15 in 1,100 to 2,000 WFull review
For a small RV or home backup setup that wants automatic changeover between grid and battery without paying for an inverter-charger. You still need a separate charger.
Amazon $245.99$245.99
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 AIMS Power 2000W Pure Sine w/ Transfer for safety listing (ETL listed to UL 458 and CSA C22.2 No. 107.1 vs no UL 458 or UL 1741 listing stated).
- Choose the LiTime 2000W 12V Inverter with ATS for value ($0.12 per continuous watt vs $0.23 per continuous watt) and features (remote included, transfer switch, display; no app vs optional remote, transfer switch, hardwire terminal; no app).
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 | AIMS Power 2000W Pure Sine w/ Transfer | LiTime 2000W 12V Inverter with ATS |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 60 $0.23 per continuous watt | 91 $0.12 per continuous watt |
| Idle draw 15% | 53 1.2 A idle (about 14.4 W) with nothing plugged in | 50 idle draw not published (neutral score used) |
| Safety listing 15% | 100 ETL listed to UL 458 and CSA C22.2 No. 107.1 | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 52 optional remote, transfer switch, hardwire terminal; no app | 68 remote included, transfer switch, display; no app |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| AIMS Power 2000W Pure Sine w/ Transfer | LiTime 2000W 12V Inverter with ATS | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 2,000 W | 2,000 W |
| Surge power | 4,000 W | 4,000 W |
| DC input range | 10 to 16 V | 10.5 to 16 V |
| Idle draw | 1.2 A (14.4 W) | - |
| Peak efficiency | 90% | 90% |
| Connections | ||
| AC outlets | 0 | 2 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | - |
| USB ports | None | 2 |
| Transfer switch | Yes | Yes |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Included |
| App | No | No |
| Display | No | Yes |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1 | No |
| Cooling | load-controlled fan | fan |
| Dimensions | 21.5 x 9.5 x 3.8 in | 14.17 x 7.42 x 4.02 in |
| Weight | 14.4 lb | 8.7 lb |
| Warranty | 2 years | 2 years |