The Renogy 3000W HF Inverter Charger rates 3.9 among inverter-chargers 12V inverters; the Rich Solar NOVA SWITCH 3K 12V rates 3.3 among over 2,000 W ones. The Rich Solar NOVA SWITCH 3K 12V costs $80 less ($569.99 vs $649.99).
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 $649.99A 3000 W RV inverter with a built-in transfer switch for rigs that charge the battery from solar or a DC-DC charger.
Rich Solar $569.99Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
These two sit in different size classes (inverter-chargers and over 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 | Renogy 3000W HF Inverter Charger | Rich Solar NOVA SWITCH 3K 12V |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Value 30% | 100 $0.22 per continuous watt | 66 $0.19 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, transfer switch, hardwire terminal |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
| Renogy 3000W HF Inverter Charger | Rich Solar NOVA SWITCH 3K 12V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| 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 | - |
| Lithium charge profile | 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 | 15.6 x 12.0 x 4.1 in |
| Weight | 16.3 lb | 17.6 lb |
| Warranty | 2 years | - |
| Released | 2026-09 | 2025-05 |
