AlphaESS SMILE-S6 6kW Single-Phase Hybrid Battery Storage System

All-in-one ESS

Smile-S6-HV Residential Series

The AlphaESS SMILE-S6 is a high-performance 6kW single-phase hybrid energy storage system, designed to help homeowners maximise their solar generation, lower electricity bills and achieve greater energy independence. Combining an advanced hybrid inverter with modular high-voltage LiFePO₄ battery storage, the SMILE-S6 offers outstanding efficiency, intelligent energy management and reliable backup power for modern homes.

Supporting up to 12kW of PV input with dual MPPT trackers, the SMILE-S6 optimises solar generation from multiple roof orientations to maximise energy harvest throughout the day. Its modular battery design allows storage capacity to expand from 5kWh up to 49.2kWh, making it easy to adapt the system as your household energy demands increase.

Key Features

  • 6kW single-phase hybrid inverter ideal for residential solar and battery storage installations.
  • Expandable battery capacity from 5kWh up to 49.2kWh, allowing your system to grow alongside your energy requirements.
  • Supports up to 12kW of solar PV input with dual MPPT trackers for maximum energy generation across multiple roof orientations.
  • Safe high-voltage LiFePO₄ battery technology provides excellent thermal stability, long cycle life and reliable performance.
  • Full 6kVA backup power keeps essential household circuits running during grid outages.
  • Fully off-grid compatible, offering greater energy security and independence when required.
  • Rapid UPS switchover helps minimise interruptions during mains power failures.
  • Up to 95% battery depth of discharge (DoD) for greater usable storage capacity.
  • IP65-rated enclosure suitable for both indoor and outdoor installations.
  • High conversion efficiency helps maximise every unit of solar energy generated.

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What our clients have to say

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