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Alpha ESSSMILE-G3-T10

Alpha ESS SMILE-G3-T10
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The Alpha ESS SMILE-G3-T10 is a home battery with usable capacity 3.65 kWh, charge power (continuous) 10 kW and cell chemistry LFP.1,2

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Usable capacity
3.65kWh2
Charge power (continuous)
10kW2
Manufacturer data
Cell chemistry
LFP2
Manufacturer data
Warranty
10years2
Manufacturer data
Expandable up to
43.8kWh2
Manufacturer data

Technical specifications

General
Cell chemistry LFP2
Wi-Fi / app Yes2
Performance
Usable capacity 3.65 kWh2
Smallest configuration 3.65 kWh2
Expandable up to 43.8 kWh2
Charge power (continuous) 10 kW2
Discharge power (continuous) 10 kW2
Efficiency
Depth of discharge 95 %2
Electrical
Phases 31
Backup power Yes2
Warranty & lifespan
Warranty 10 years2

Manufacturer documentation

External links to Alpha ESS's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

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Frequently asked questions

What is the usable capacity of the Alpha ESS SMILE-G3-T10?

The usable capacity of the Alpha ESS SMILE-G3-T10 is 3.65 kWh.1,2

What is the charge power (continuous) of the Alpha ESS SMILE-G3-T10?

The charge power (continuous) of the Alpha ESS SMILE-G3-T10 is 10 kW.1,2

Which cell chemistry does the Alpha ESS SMILE-G3-T10 use?

The cell chemistry of the Alpha ESS SMILE-G3-T10 is LFP.1,2

What is the warranty of the Alpha ESS SMILE-G3-T10?

The warranty of the Alpha ESS SMILE-G3-T10 is 10 years.1,2

Sources

  1. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  2. SMILE-G3-T4/T5/T6/T8/T10 Residential Series, V09.15012025 — Alpha ESS · accessed 29 Sept 2026