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Livoltek ESS 3/5kWh is an integrated all-in-one energy storage combining a 3 kW hybrid inverter with a 5.12 kWh LFP battery. Compact, quiet design with IP66 protection and off-grid switching under 10 ms.
Livoltek ESS 3/5kWh from the iPower HES1 S2 series is an integrated solar-storage solution for residential applications, combining a 3 kW hybrid inverter with a 5.12 kWh low-voltage LFP battery. The redesigned enclosure blends with interior decor, while the plug-and-play design simplifies and speeds up installation. The system supports millisecond-level on-grid/off-grid switching and double power output for 10 seconds in backup mode.
| Device type | all-in-one energy storage (inverter + battery) |
| Inverter | HES1-3KS2 |
| Rated AC power | 3 kW |
| Max. apparent power | 3.3 kVA |
| Max. PV power | 6 kW |
| Max. PV voltage | 500 V |
| MPPT voltage range | 60 - 500 V |
| Number of MPPTs / strings per MPPT | 2 / 1 |
| Peak off-grid power | 2× rated power for 10 s |
| Switching time | < 10 ms |
| Max. efficiency | 97.6% |
| Battery capacity | 5.12 kWh (BLF-SR05 battery) |
| Cell type | LFP |
| Rated battery voltage | 51.2 V |
| Depth of discharge (DOD) | 90% |
| Cycle life | 6000 cycles |
| Protection rating | IP66 |
| Cooling | natural convection |
| Noise level | ≤ 35 dB |
| Communication / display | LED, APP, Web |
| Warranty | 5 / 10 years |
Livoltek ESS 3/5kWh — 3 kW + 5.12 kWh all-in-one energy storage — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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