The Renogy 3000W HF Inverter Charger rates 3.9 among inverter-chargers 12V inverters; the Samlex PST-3000-12 rates 2.8 among over 2,000 W ones. The Renogy 3000W HF Inverter Charger costs $528.47 less ($649.99 vs $1,178.46).
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 $649.99For RVs and boats that run an air conditioner or several appliances and need a listed install.
Amazon $1,178.46Prices 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 | Samlex PST-3000-12 |
|---|---|---|
| Overall rating | 3.9/5 | 2.8/5 |
| Value 30% | 100 $0.22 per continuous watt | 2 $0.39 per continuous watt |
| Idle draw 15% | 93 1 A idle (about 12 W) with nothing plugged in | 62 1.6 A idle (about 19.2 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Warranty 15% | 25 2-year warranty | 50 3-year warranty |
| Features 15% | 92 remote included, app, lithium charge profile, display | 28 optional remote, hardwire terminal; no app |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 0 85% peak efficiency (maker rating) |
| Renogy 3000W HF Inverter Charger | Samlex PST-3000-12 | |
|---|---|---|
| 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 | 10.7 to 16.5 V |
| Idle draw | 1 A (12 W) | 1.6 A (19.2 W) |
| Peak efficiency | 90% | 85% |
| Connections | ||
| AC outlets | - | 2 |
| GFCI outlets | - | Yes |
| Hardwire terminal | - | Yes |
| USB ports | - | None |
| Transfer switch | Yes | No |
| Charger | 100 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | - | No |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | No |
| Display | Yes | No |
| Safety listing | No | Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1 |
| Cooling | - | fan |
| Dimensions | 17.0 x 11.3 x 4.3 in | 263 x 456.5 x 145 mm (10.35 x 17.97 x 5.7 in) |
| Weight | 16.3 lb | 21.6 lb |
| Warranty | 2 years | 3 years |
| Released | 2026-09 | - |
