Sigineer HP15048D
For large unpermitted off-grid homes that want 15 kW of split-phase power from one 48 V box, accepting high idle draw.
Sigineer $3,099$3,099
The Sigineer HP15048D is the better 48V inverter overall, rated 2.8 to 2.7. The Sigineer HP15048D leads on value and efficiency. The AIMS Power 10000W 48V Split Phase wins on warranty, idle draw and features. The Sigineer HP15048D costs $1,061 less ($3,099 vs $4,160).
AIMS Power 10000W 48V Split Phase
For a big off-grid home that needs 10 kW of split phase from 48 V and doesn’t need a UL listing. If the install must be inspected, the listed 12 kW costs little more.
Amazon AIMS Power $4,160$4,160
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 Sigineer HP15048D for value ($0.21 per continuous watt vs $0.42 per continuous watt) and efficiency (90% peak efficiency (maker rating) vs 88% peak efficiency (maker rating)).
- Choose the AIMS Power 10000W 48V Split Phase for warranty (3-year warranty vs 1-year warranty), idle draw (150 W idle with nothing plugged in vs 300 W idle with nothing plugged in) and features (optional remote, app add-on, lithium charge profile, 120/240 V split-phase, hardwire terminal vs optional remote, lithium charge profile, 120/240 V split-phase, hardwire terminal; no app).
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 | Sigineer HP15048D | AIMS Power 10000W 48V Split Phase |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Value 30% | 76 $0.21 per continuous watt | 30 $0.42 per continuous watt |
| Idle draw 15% | 0 300 W idle with nothing plugged in | 29 150 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% | 0 1-year warranty | 50 3-year warranty |
| Features 15% | 60 optional remote, lithium charge profile, 120/240 V split-phase, hardwire terminal; no app | 70 optional remote, app add-on, lithium charge profile, 120/240 V split-phase, hardwire terminal |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 33 88% peak efficiency (maker rating) |
Specifications
| Sigineer HP15048D | AIMS Power 10000W 48V Split Phase | |
|---|---|---|
| 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 | 15,000 W | 10,000 W |
| Surge power | 45,000 W for 20 s | 30,000 W for 20 s |
| DC input range | 40 to 64 V | 40 to 64 V |
| Idle draw | 300 W (6.2 A at 48 V) | 150 W (3.1 A at 48 V) |
| Power-saving draw | 40 W | 35 W |
| Peak efficiency | 90% | 88% |
| Connections | ||
| AC outlets | 0 | 2 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | - | 63 A |
| Charger | 100 A | 100 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | No | Optional add-on |
| Display | No | No |
| Safety listing | No | No |
| Design | Low-frequency (transformer) | Low-frequency (transformer) |
| Cooling | fan | load-controlled fan |
| Dimensions | 28 x 16.3 x 8.8 in (706 x 415 x 232 mm) | 23.3 x 16.3 x 7.9 in |
| Weight | 182 lb | 145.5 lb |
| Warranty | 1 year | 3 years |
| Released | - | 2015-10 |