AIMS Power 1000W Pure Sine (ETL)
#1 in Up to 1,000 WFull review
One of the cheapest listed 1000 W pure sine inverters, for vans, trucks and CPAP use. A plug-in unit, not for hardwiring into an RV panel.
Amazon $219$219
The AIMS Power 1000W Pure Sine (ETL) is the better 12V inverter overall, rated 3.8 to 3.2. The AIMS Power 1000W Pure Sine (ETL) leads on value, efficiency and idle draw. The Xantrex PROwatt SW 1000 wins on features. The AIMS Power 1000W Pure Sine (ETL) costs $130 less ($219 vs $349).
Xantrex PROwatt SW 1000
#14 in Up to 1,000 WFull review
A dependable, listed plug-in inverter for TVs, laptops and small kitchen gadgets in an RV. Check that your loads fit its real 900 W rating.
Amazon $349$349
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 1000W Pure Sine (ETL) for value ($0.22 per continuous watt vs $0.39 per continuous watt), efficiency (95% peak efficiency (maker rating) vs 90% peak efficiency (maker rating)) and idle draw (0.4 A idle (about 4.8 W) with nothing plugged in vs 0.6 A idle (about 7.2 W) with nothing plugged in).
- Choose the Xantrex PROwatt SW 1000 for features (optional remote, display; no app vs optional remote; no app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | AIMS Power 1000W Pure Sine (ETL) | Xantrex PROwatt SW 1000 |
|---|---|---|
| Overall rating | 3.8/5 | 3.2/5 |
| Value 30% | 79 $0.22 per continuous watt | 44 $0.39 per continuous watt |
| Idle draw 15% | 80 0.4 A idle (about 4.8 W) with nothing plugged in | 53 0.6 A idle (about 7.2 W) with nothing plugged in |
| Safety listing 15% | 100 ETL listed to UL 458 and CSA C22.2 No. 107.1 | 100 ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 12 optional remote; no app | 22 optional remote, display; no app |
| Efficiency 10% | 100 95% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| AIMS Power 1000W Pure Sine (ETL) | Xantrex PROwatt SW 1000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,000 W | 900 W |
| Surge power | 2,000 W | 2,000 W |
| DC input range | 10 to 15 V | 10.5 to 15.5 V |
| Idle draw | 0.4 A (4.8 W) | 0.6 A (7.2 W) |
| Peak efficiency | 95% | 90% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | No | Yes |
| Hardwire terminal | No | No |
| USB ports | 1 | 1 |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | No | No |
| Display | No | Yes |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1 | ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Cooling | load-controlled fan | load-controlled fan |
| Dimensions | 11.53 x 5.51 x 2.91 in | 13.4 x 8.7 x 3.5 in (339 x 220 x 89 mm) |
| Weight | 5.3 lb | 7.2 lb |
| Warranty | 2 years | 2 years |
| Released | - | 2009-10 |