The Renogy 3000W HF Inverter Charger is the better 12V inverter overall, rated 3.9 to 3.6. The Renogy 3000W HF Inverter Charger leads on features. The Rich Solar NOVA SUPERCHARGER 3K 12V wins on efficiency. The Renogy 3000W HF Inverter Charger costs $200 less ($599.99 vs $799.99).
For RVs and home backup with a big 12 V lithium bank that want fast shore charging and seamless changeover. It undercuts the major brands while matching their headline features.
Amazon $599.99For larger RVs and boats that want 3000 W of AC and a fast shore-power charger in one box.
Rich Solar $799.99Prices 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 | Renogy 3000W HF Inverter Charger | Rich Solar NOVA SUPERCHARGER 3K 12V |
|---|---|---|
| Overall rating | 3.9/5 | 3.6/5 |
| Value 30% | 100 $0.20 per continuous watt | 98 $0.27 per continuous watt |
| Idle draw 15% | 93 1 A idle (about 12 W) with nothing plugged in | 50 idle draw not published (neutral score used) |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 25 2-year warranty | 50 warranty not published (neutral score used) |
| Features 15% | 92 remote included, app, lithium charge profile, display | 65 optional remote, app add-on, lithium charge profile, hardwire terminal |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
| Renogy 3000W HF Inverter Charger | Rich Solar NOVA SUPERCHARGER 3K 12V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 3,000 W | 3,000 W |
| Surge power | 6,000 W for 100 ms | 6,000 W for 5 s |
| DC input range | 10.5 to 16.5 V | 10.5 to 18 V |
| Idle draw | 1 A (12 W) | - |
| Peak efficiency | 90% | 91% |
| Connections | ||
| GFCI outlets | - | No |
| Hardwire terminal | - | Yes |
| Transfer switch | Yes | Yes |
| Charger | 100 A | 150 A |
| Lithium charge profile | Yes | Yes |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | Optional add-on |
| Display | Yes | No |
| Safety listing | No | No |
| Dimensions | 17.0 x 11.3 x 4.3 in | 15.4 x 12.0 x 4.8 in |
| Weight | 16.3 lb | 18.5 lb |
| Warranty | 2 years | - |
