Alpha Smile G3 B5 INV (Dark Grey)
| Brand: ALPHA ESS |
| Phase: Single Phase |
| AC Power: 1-5 kW |
| Type: AC Couple |
| Mppt: N/A |
Alpha ESS SMILE-G3 B5 5kW Single-Phase AC-Coupled Energy Storage System
The Alpha ESS SMILE-G3 B5 is an intelligent 5kW single-phase AC-coupled energy storage system designed for homeowners who already have an existing solar PV system. Combining a 5kW AC-coupled inverter with 9.3kWh modular LiFePO₄ battery modules, expandable up to 37.2kWh, it provides a simple and efficient way to add battery storage without replacing the existing solar inverter. The SMILE-G3 B5 helps maximise solar self-consumption, reduce electricity costs, and move households closer to true energy independence.
Engineered for high performance and long-term reliability, the SMILE-G3 B5 features 100% Depth of Discharge (DoD), fast UPS backup switching, and automatic battery bypass to ensure continuous power availability. With fast-suppression aerosol fire defence, VPP readiness, and intelligent monitoring via Ethernet, Wi-Fi, Modbus and API, the system delivers advanced energy management, enhanced safety, and seamless integration with existing solar installations. Its IP65-rated enclosure and 10-year product and battery warranty make it a dependable solution for Australian residential energy storage applications.
Key Features
- 5kW Single-Phase AC-Coupled System designed for homes with existing solar PV systems.
- Expandable 9.3kWh Battery System supporting capacities from 9.3kWh to 37.2kWh.
- Easy Retrofit Solution adding battery storage without replacing the existing solar inverter.
- 100% DoD Battery delivering full usable capacity with no energy waste.
- Fast UPS Backup providing seamless backup power during grid outages.
- VPP Ready supporting Virtual Power Plant participation and intelligent energy management.
- Automatic Battery Bypass Function ensuring continuous system operation during battery maintenance or faults.
- Fast-Suppression Aerosol Fire Defence enhancing battery safety and protection.
- Comprehensive Monitoring & Communication via Ethernet, Wi-Fi, Modbus and API.
- IP65 Outdoor Rating ensuring reliable operation in Australia's harsh environmental conditions.
- 10-Year Product & Battery Warranty providing long-term reliability and peace of mind.
Technical Specifications
- Inverter Power: 5kW
- System Type: Single-Phase AC-Coupled Energy Storage System
- Battery Capacity: 9.3kWh – 37.2kWh (Expandable)
- Battery Type: LFP (LiFePO₄)
- Usable Battery Capacity: 100% DoD
- Maximum Charge / Discharge Power: 5kW
- Maximum Charge / Discharge Current: 60A
- Backup Function: UPS
- Communication: Ethernet / Wi-Fi / Modbus / API
- IP Rating: IP65
- Warranty: 10-Year Product Warranty & 10-Year Battery Performance Warranty
| Brand | ALPHA ESS |
| Phase | Single Phase |
| AC Power | 1-5 kW |
| Type | AC Couple |
| Mppt | N/A |
Product Dimensions
| Length | 612.0 mm |
| Width | 489.0 mm |
| Height | 301.0 mm |
| Volume | 0.09008 m³ |
| Weight | 20.0 kg |