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 efficiency. The Rich Solar NOVA SUPERCHARGER 3K 12V costs $59.01 less ($799.99 vs $859).
SunGoldPower 3000W LF Inverter Charger
#29 in Inverter-chargersFull review
A popular low-frequency inverter-charger for off-grid cabins and backup systems with big motor loads.
Amazon $911 SunGoldPower $859$859
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 efficiency (91% peak efficiency (maker rating) vs 88% 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 | SunGoldPower 3000W LF Inverter Charger |
|---|---|---|
| Overall rating | 3.6/5 | 3.2/5 |
| Value 30% | 98 $0.27 per continuous watt | 95 $0.29 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 | 65 remote included, lithium charge profile, hardwire terminal; no app |
| Efficiency 10% | 67 91% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
Specifications
| Rich Solar NOVA SUPERCHARGER 3K 12V | SunGoldPower 3000W LF 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 | 9,000 W for 20 s |
| DC input range | 10.5 to 18 V | 10 to 16 V |
| Power-saving draw | - | 2.1 A |
| Peak efficiency | 91% | 88% |
| Connections | ||
| GFCI outlets | No | Yes |
| Hardwire terminal | Yes | Yes |
| Transfer switch | Yes | Yes |
| Charger | 150 A | 90 A |
| Lithium charge profile | Yes | Yes |
| Control and build | ||
| Remote | Optional extra | Included |
| App | Optional add-on | No |
| Display | No | No |
| Safety listing | No | No |
| Cooling | - | load-controlled fan |
| Dimensions | 15.4 x 12.0 x 4.8 in | 19.9 x 9.5 x 7.8 in |
| Weight | 18.5 lb | 52.9 lb |
| Warranty | - | 1 year |