Ampinvt GP 6000W 48V Split Phase
A low-cost split-phase inverter-charger for an off-grid home that may add units later. Strong charger and parallel support, but no safety listing.
Amazon $685$685
The Ampinvt GP 6000W 48V Split Phase rates 3.6 among split-phase inverter-chargers 48V inverters; the AIMS Power 6000W 48V Inverter Charger rates 2.8 among 120V inverter-chargers ones. The Ampinvt GP 6000W 48V Split Phase costs $1,543.99 less ($685 vs $2,228.99).
AIMS Power 6000W 48V Inverter Charger
For a 120 V-only off-grid cabin on a 48 V bank that needs big surge and fast charging for less than premium brands. Homes with 240 V loads should pick the split-phase version.
Amazon $2,228.99$2,228.99
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.
Scores side by side
These two sit in different size classes (split-phase inverter-chargers and 120V inverter-chargers), 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 | Ampinvt GP 6000W 48V Split Phase | AIMS Power 6000W 48V Inverter Charger |
|---|---|---|
| Overall rating | 3.6/5 | 2.8/5 |
| Value 30% | 97 $0.11 per continuous watt | 66 $0.37 per continuous watt |
| Idle draw 15% | 50 idle draw not published (neutral score used) | 0 82 W idle with nothing plugged in |
| 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 3-year warranty |
| Features 15% | 85 app, lithium charge profile, 120/240 V split-phase, display | 50 optional remote, app add-on, lithium charge profile, hardwire terminal |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
Specifications
| Ampinvt GP 6000W 48V Split Phase | AIMS Power 6000W 48V Inverter Charger | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| AC output | 120/240 V split-phase | 120 V |
| Continuous power | 6,000 W | 6,000 W |
| Surge power | 18,000 W | 18,000 W for 20 s |
| DC input range | - | 40 to 64 V |
| Idle draw | - | 82 W (1.7 A at 48 V) |
| Power-saving draw | - | 30 W |
| Peak efficiency | 90% | 88% |
| Connections | ||
| AC outlets | - | 0 |
| GFCI outlets | - | No |
| Hardwire terminal | - | Yes |
| USB ports | - | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | - | 40 A |
| Charger | 80 A | 60 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | No |
| Control and build | ||
| Remote | - | Optional extra |
| App | Built in | Optional add-on |
| Display | Yes | No |
| Safety listing | No | No |
| Design | Low-frequency (transformer) | Low-frequency (transformer) |
| Cooling | fan | load-controlled fan |
| Dimensions | - | 28.25 x 8.88 x 7.5 in |
| Weight | 70.5 lb | 75 lb |
| Warranty | 2 years | 3 years |
| Released | - | 2014-01 |