Rich Solar NOVA SUPERCHARGER 3K 12V
#16 in Inverter-chargersFull review
For larger RVs and boats that want 3000 W of AC and a fast shore-power charger in one box.
Rich Solar $799.99$799.99
The Rich Solar NOVA SUPERCHARGER 3K 12V is the better 12V inverter overall, rated 3.6 to 3.2. The Rich Solar NOVA SUPERCHARGER 3K 12V leads on features and efficiency. The ECO-WORTHY 3000W Inverter Charger costs $300 less ($499.99 vs $799.99).
ECO-WORTHY 3000W Inverter Charger
#28 in Inverter-chargersFull review
A budget 3000 W inverter-charger for off-grid cabins and DIY RV builds that need a big charger. Specs come only from the Amazon listing.
Amazon $499.99$499.99
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 Rich Solar NOVA SUPERCHARGER 3K 12V for features (optional remote, app add-on, lithium charge profile, hardwire terminal vs optional remote, lithium charge profile; no app) and efficiency (91% peak efficiency (maker rating) vs 90% peak efficiency (maker rating)).
Scores side by side
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 | Rich Solar NOVA SUPERCHARGER 3K 12V | ECO-WORTHY 3000W Inverter Charger |
|---|---|---|
| Overall rating | 3.6/5 | 3.2/5 |
| Value 30% | 98 $0.27 per continuous watt | 100 $0.17 per continuous watt |
| Idle draw 15% | 50 idle draw not published (neutral score used) | 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% | 50 warranty not published (neutral score used) | 0 1-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 45 optional remote, lithium charge profile; no app |
| Efficiency 10% | 67 91% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Rich Solar NOVA SUPERCHARGER 3K 12V | ECO-WORTHY 3000W Inverter Charger | |
|---|---|---|
| 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 5 s | 6,000 W |
| DC input range | 10.5 to 18 V | - |
| Peak efficiency | 91% | 90% |
| Connections | ||
| GFCI outlets | No | - |
| Hardwire terminal | Yes | - |
| Transfer switch | Yes | Yes |
| Charger | 150 A | 100 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | - | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | No |
| Display | No | No |
| Safety listing | No | No |
| Dimensions | 15.4 x 12.0 x 4.8 in | 17.0 x 11.3 x 4.3 in |
| Weight | 18.5 lb | 16.3 lb |
| Warranty | - | 1 year |