Alpha ESS SMILE5
$7,490fully installed, after federal battery discount
The Alpha ESS SMILE5 is our go-to retrofit battery: AC coupling means it bolts onto any existing solar system without touching your current inverter — ideal for adding storage to older arrays.
Why Perth homes choose it
- AC-coupled — retrofits to any existing solar system
- No inverter replacement needed
- Expandable storage modules
- Proven performer in Australian conditions
Specifications
- Usable capacity
- 10.1 kWh
- Continuous power
- 5 kW
- Coupling
- AC
- Expandable
- Yes — up to 2 units
- Blackout backup
- Yes
- VPP ready
- Yes
- Warranty
- 10 years
4.9★ Google rating
650+ verified reviews
4x SunWiz 2026 awards
#1 Local Solar Hero, Perth South West
Tesla Premium Certified
4 consecutive years
15-year workmanship warranty
In-house teams, never subcontractors