The AIMS Power 2000W Inverter Charger (ETL) is the better 12V inverter overall, rated 3.8 to 3.5. The AIMS Power 2000W Inverter Charger (ETL) leads on safety listing and efficiency. The Rich Solar NOVA SUPERCHARGER 2K 12V wins on value. The Rich Solar NOVA SUPERCHARGER 2K 12V costs $419.01 less ($649.99 vs $1,069).
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 $1,069An all-in-one RV or boat inverter-charger that recharges a lithium bank quickly on shore power. Plan on buying the remote.
Rich Solar $649.99Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every inverter-chargers 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | AIMS Power 2000W Inverter Charger (ETL) | Rich Solar NOVA SUPERCHARGER 2K 12V |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 30% | 62 $0.53 per continuous watt | 90 $0.33 per continuous watt |
| Idle draw 15% | 40 2.3 A idle (about 28 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% | 50 3-year warranty | 50 warranty not published (neutral score used) |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 65 optional remote, app add-on, lithium charge profile, hardwire terminal |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
| AIMS Power 2000W Inverter Charger (ETL) | Rich Solar NOVA SUPERCHARGER 2K 12V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 2,000 W | 2,000 W |
| Surge power | 6,000 W for 20 s | 4,000 W for 5 s |
| DC input range | 10 to 16 V | 10.5 to 18 V |
| Idle draw | 2.3 A (28 W) | - |
| Power-saving draw | 1.1 A | - |
| Peak efficiency | 92% | 91% |
| Connections | ||
| AC outlets | 2 | - |
| GFCI outlets | Yes | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | - |
| Transfer switch | Yes | Yes |
| Charger | 70 A | 80 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | No | - |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | Optional add-on |
| Display | No | No |
| Safety listing | ETL listed to UL 458 and CSA C22.2 No. 107.1 | No |
| Cooling | load-controlled fan | - |
| Dimensions | 15.35 x 11 x 7 in | 15.4 x 12.0 x 4.1 in |
| Weight | 47.4 lb | 16.5 lb |
| Warranty | 3 years | - |
| Released | 2015-09 | - |
