AlphaESS SMILE-G3-T Series Three-phase Hybrid Inverter + Battery
4–10 kW three-phase hybrid systems with 3.65–43.8 kWh LFP storage.

AlphaESS
AlphaESS SMILE-G3-T Series Three-phase Hybrid Inverter + Battery
- Three phase
- 4–10 kW
- LFP
- 3 MPPT
- IP65
Three-phase residential hybrid systems from 4 to 10 kW with modular LFP batteries. Three MPPTs take more PV input, each phase can be unbalanced up to 150 %, and the system works with EV chargers and heat pumps.
Key features
- 3 MPPT for higher PV input
- Bypass function for series batteries
- Aerosol fire suppression inside the battery
- Up to 150 % unbalanced load per phase
- Compatible with EV chargers and heat pumps
- UPS backup
- Cobalt-free LFP chemistry · Red Dot and Good Design award winner
Properties
- Nominal output power
- 4 / 5 / 6 / 8 / 10 kW
- Capacity range
- 3.65 – 43.8 kWh (3.8S modules) · 4.0 – 24.0 kWh (4.0S modules)
- Battery chemistry
- LFP (LiFePO₄)
- Phase
- Three phase, 220/380 V or 230/400 V
- Max. PV input voltage
- 1000 V
- Efficiency
- 97.6 % max. / 96.8 % European
- Protection
- IP65 (inverter)
- Warranty
- 10 years product, 10 years battery performance
Application
Homes and small commercial buildings on three-phase supply, including sites with EV chargers or heat pumps.
Technical data
| Model | SMILE-G3-T4 | SMILE-G3-T5 | SMILE-G3-T6 | SMILE-G3-T8 | SMILE-G3-T10 |
|---|---|---|---|---|---|
| Nominal output power | 4 kW | 5 kW | 6 kW | 8 kW | 10 kW |
| Max. PV input power | 8 kW | 10 kW | 12 kW | 16 kW | 20 kW |
| Max. charge / discharge power | 4 kW | 5 kW | 6 kW | 8 kW | 10 kW |
| Rated output current (grid) | 5.8 A | 7.3 A | 8.7 A | 11.6 A | 14.5 A |
| Rated output power (backup) | 4 kW | 5 kW | 6 kW | 8 kW | 10 kW |
| Rated input power (on-grid) | 8 kW | 10 kW | 12 kW | 16 kW | 20 kW |
| Max. PV input current | 16 / 16 / 16 A | 16 / 16 / 16 A | 16 / 16 / 16 A | 16 / 16 / 16 A | 16 / 16 / 16 A |
| MPPT number / strings per MPPT | 3 / 1 | 3 / 1 | 3 / 1 | 3 / 1 | 3 / 1 |
| MPPT voltage range | 140 ~ 950 V | 140 ~ 950 V | 140 ~ 950 V | 140 ~ 950 V | 140 ~ 950 V |
| Max. charge / discharge current | 40 A | 40 A | 40 A | 40 A | 40 A |
| Dimensions (W × D × H) | 610 × 212.5 × 416 mm | 610 × 212.5 × 416 mm | 610 × 212.5 × 416 mm | 610 × 212.5 × 416 mm | 610 × 212.5 × 416 mm |
| Weight | 26.7 kg | 26.7 kg | 26.7 kg | 26.7 kg | 26.7 kg |
Data from the manufacturer's datasheet.
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AlphaESS
AlphaESS SMILE-G3-S5 Hybrid Inverter + Battery
5 kW single-phase all-in-one hybrid system, 9.3–37.2 kWh LFP storage.
- Single phase
- 5 kW
- LFP
- IP65
- UL 9540A
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AlphaESS
AlphaESS SMILE-G3 Battery Modules (3.8S / 4.0S / 9.3S)
Stackable LFP battery modules for SMILE-G3 hybrid systems.
- LFP
- 96 V
- Up to 10
- 000 cycles
- Cobalt-free
12 modules available