The Alpha ESS Smile5 (SMILE5-INV-FFR) is a 5kW single-phase AC/hybrid inverter with FFR (Firm Frequency Response) capability, allowing the system to support grid frequency-balancing services. It works in DC-coupled, AC-coupled and hybrid configurations with Smile5 batteries, accepting up to 6.6kW of PV input across dual MPPTs and providing fast-response UPS backup for essential loads, with 24/7 monitoring via the AlphaCloud platform and app.
- 5kW single-phase AC/hybrid inverter
- FFR capability for grid frequency response services
- DC, AC and hybrid coupling with Smile5 batteries
- Up to 6.6kW PV input across 2 MPPTs (125-550V)
The 5kW Alpha ESS single-phase hybrid inverter combines high conversion efficiency with a weatherproof enclosure for reliable year-round performance in UK solar installations.
Its integrated protection features and straightforward commissioning make it a practical and dependable choice for professional solar installers.