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 is the better 48V inverter overall, rated 3.6 to 3.1. The Ampinvt GP 6000W 48V Split Phase leads on value and efficiency. The AIMS Power 8000W 48V Split Phase ETL wins on safety listing and warranty. The Ampinvt GP 6000W 48V Split Phase costs $3,795 less ($685 vs $4,480).
AIMS Power 8000W 48V Split Phase ETL
For an off-grid or backup home on 48 V that needs a listed split-phase inverter-charger with heavy surge at a lower price than Outback or Schneider.
Amazon $4,611.27 AIMS Power $4,480$4,480
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 Ampinvt GP 6000W 48V Split Phase for value ($0.11 per continuous watt vs $0.56 per continuous watt) and efficiency (90% peak efficiency (maker rating) vs 88% peak efficiency (maker rating)).
- Choose the AIMS Power 8000W 48V Split Phase ETL for safety listing (ETL listed to UL 1741 and CSA C22.2 No. 107.1 vs no UL 458 or UL 1741 listing stated) and warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every split-phase inverter-chargers 48V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ampinvt GP 6000W 48V Split Phase | AIMS Power 8000W 48V Split Phase ETL |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 30% | 97 $0.11 per continuous watt | 0 $0.56 per continuous watt |
| Idle draw 15% | 50 idle draw not published (neutral score used) | 57 100 W idle with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 ETL listed to UL 1741 and CSA C22.2 No. 107.1 |
| Warranty 15% | 25 2-year warranty | 50 3-year warranty |
| Features 15% | 85 app, lithium charge profile, 120/240 V split-phase, display | 80 optional remote, app add-on, lithium charge profile, 120/240 V split-phase, hardwire terminal, display |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
Specifications
| Ampinvt GP 6000W 48V Split Phase | AIMS Power 8000W 48V Split Phase ETL | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| AC output | 120/240 V split-phase | 120/240 V split-phase |
| Continuous power | 6,000 W | 8,000 W |
| Surge power | 18,000 W | 24,000 W for 20 s |
| DC input range | - | 40 to 64 V |
| Idle draw | - | 100 W (2.1 A at 48 V) |
| Power-saving draw | - | 30 W |
| Peak efficiency | 90% | 88% |
| Connections | ||
| AC outlets | - | 2 |
| GFCI outlets | - | No |
| Hardwire terminal | - | Yes |
| USB ports | - | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | - | 50 A |
| Charger | 80 A | 80 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | No |
| Control and build | ||
| Remote | - | Optional extra |
| App | Built in | Optional add-on |
| Display | Yes | Yes |
| Safety listing | No | ETL listed to UL 1741 and CSA C22.2 No. 107.1 |
| Design | Low-frequency (transformer) | Low-frequency (transformer) |
| Cooling | fan | load-controlled fan |
| Dimensions | - | 23.3 x 16.3 x 7.9 in |
| Weight | 70.5 lb | 132 lb |
| Warranty | 2 years | 3 years |