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The Kehua iStoragE3 8K is an 8 kW 3-phase hybrid inverter with built-in EMS and backup power featuring a switching time of under 10 ms. It works with high-voltage Kehua iStoragE B5-S2 LiFePO4 batteries to create an energy storage system expandable from 5 to 40 kWh.
The Kehua iStoragE3 8K is a 3-phase hybrid inverter with a rated power of 8 kW, acting as the heart of the Kehua iStoragE3 energy storage system. The inverter is equipped with a built-in EMS featuring multi-mode operation to support household energy independence, and a true uninterruptible power supply (UPS) with a switching time of under 10 ms.
| Rated output power | 8 kW |
| Inverter type | hybrid, 3-phase |
| Number of MPPTs | 2 |
| Max. PV input voltage | 1000 V |
| MPPT voltage range | 150–900 V |
| Start-up voltage | 180 V |
| Battery voltage range | 630–900 V |
| Battery cell technology | LiFePO4 |
| System capacity (expansion) | 5–40 kWh |
| AC output voltage | 380/400 V (3-phase) |
| Max. output current | 12.2 A |
| Peak power (backup, 60 s) | 12 kW |
| Switching time (backup) | <10 ms |
| Max. efficiency | 98.3% |
| European efficiency | 97.5% |
| Cooling | natural |
| Protection degree | IP65 |
| Dimensions (W×H×D) | 800×400×200 mm |
| Weight | 30 kg |
Kehua iStoragE3 8K — 8 kW 3-phase hybrid inverter — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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