Alpha ESS SMILE-G3 S5 5kW Single-Phase Hybrid Energy Storage System
The Alpha ESS SMILE-G3 S5 is an advanced 5kW single-phase hybrid energy storage system designed for modern residential solar applications. Combining a 5kW hybrid inverter with 9.3kWh modular LiFePO₄ battery modules, expandable up to 37.2kWh, it is an ideal solution for new solar installations or homeowners looking to retrofit battery storage to an existing PV system. Engineered to maximise solar self-consumption, reduce electricity costs, and provide reliable backup power, the SMILE-G3 S5 delivers exceptional flexibility for Australian households.
Built for high performance, the SMILE-G3 S5 features 200% PV oversizing, dual MPPTs, 100% Depth of Discharge (DoD) with no wasted battery capacity, and fast UPS backup switching for uninterrupted power during grid outages. With VPP readiness, automatic battery bypass, fast-suppression aerosol fire protection, and comprehensive remote monitoring via Ethernet, Wi-Fi, Modbus and API, the system provides intelligent energy management, outstanding safety, and long-term reliability. An IP65-rated enclosure and 10-year product and battery warranty ensure dependable operation in demanding outdoor environments.
Key Features
- 5kW Single-Phase Hybrid System designed for residential solar and battery storage applications.
- Expandable 9.3kWh Battery System supporting 1–4 battery modules with capacities up to 37.2kWh.
- 200% PV Oversizing allowing up to 10kW PV input for greater solar generation.
- Dual MPPT Design optimising energy harvest across multiple roof orientations.
- 100% DoD Battery delivering full usable capacity with no energy waste.
- Fast UPS Backup providing seamless backup power during grid outages.
- VPP Ready enabling participation in Virtual Power Plant programs and smarter energy management.
- Automatic Battery Bypass Function maintaining system availability during battery maintenance or faults.
- Fast-Suppression Aerosol Fire Defence enhancing battery safety and system protection.
- Comprehensive Monitoring & Communication via Ethernet, Wi-Fi, Modbus and API.
- IP65 Outdoor Rating ensuring reliable performance in harsh Australian conditions.
- 10-Year Product & Battery Warranty delivering long-term peace of mind.
Technical Specifications
- Inverter Power: 5kW
- Battery Capacity: 9.3kWh – 37.2kWh (Expandable)
- Battery Type: LFP (LiFePO₄)
- Usable Battery Capacity: 100% DoD
- MPPTs: 2
- Maximum PV Input Power: 10kW
- Maximum PV Input Voltage: 580V
- MPPT Voltage Range: 100–550V
- Maximum Inverter Efficiency: 97.3%
- 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
