The Renogy 3000W HF Inverter Charger rates 3.9 among inverter-chargers 12V inverters; the Rich Solar NOVA PURE 3K 12V rates 3.7 among over 2,000 W ones. The Rich Solar NOVA PURE 3K 12V costs $200 less ($399.99 vs $599.99).
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 $599.99A safety-listed 3000 W inverter at a budget price, for RVs and cabins with a large 12 V battery bank.
Rich Solar $399.99Prices 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.
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 PURE 3K 12V |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 30% | 100 $0.20 per continuous watt | 83 $0.13 per continuous watt |
| Idle draw 15% | 93 1 A idle (about 12 W) with nothing plugged in | 44 2 A idle (about 24 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 ETL listed (Intertek) to UL 458 and CSA C22.2 No. 107.1 |
| Warranty 15% | 25 2-year warranty | 50 warranty not published (neutral score used) |
| Features 15% | 92 remote included, app, lithium charge profile, display | 40 remote included, hardwire terminal; no app |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
| Renogy 3000W HF Inverter Charger | Rich Solar NOVA PURE 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 |
| DC input range | 10.5 to 16.5 V | 10 to 16.5 V |
| Idle draw | 1 A (12 W) | 2 A (24 W) |
| Peak efficiency | 90% | 88% |
| Connections | ||
| AC outlets | - | 3 |
| GFCI outlets | - | Yes |
| Hardwire terminal | - | Yes |
| USB ports | - | 1 |
| Transfer switch | Yes | No |
| Charger | 100 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | - | No |
| Control and build | ||
| Remote | Included | Included |
| App | Built in | No |
| Display | Yes | No |
| Safety listing | No | ETL listed (Intertek) to UL 458 and CSA C22.2 No. 107.1 |
| Cooling | - | load-controlled fan |
| Dimensions | 17.0 x 11.3 x 4.3 in | 18.7 x 9.6 x 4.0 in |
| Weight | 16.3 lb | 12.1 lb |
| Warranty | 2 years | - |
