Sessy2.0 10 kWh
The Sessy 2.0 10 kWh is a home battery with usable capacity 10.4 kWh, charge power (continuous) 2.2 kW and cell chemistry LFP.1
Key figures
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SEAI home battery grant
UnknownA €600 grant for home battery storage systems was announced on 29 September 2026 and opens from 6 October 2026, subject to final implementation arrangements. Check SEAI for the detailed conditions before applying.
Technical specifications
| General | |
|---|---|
| Cell chemistry | LFP1 |
| Smart charging on dynamic prices | Yes1 |
| Wi-Fi / app | Yes1 |
| Performance | |
| Usable capacity | 10.4 kWh1 |
| Nominal capacity | 11 kWh1 |
| Expandable up to | 31.2 kWh1 |
| Charge power (continuous) | 2.2 kW1 |
| Discharge power (continuous) | 1.7 kW1 |
| Electrical | |
| Phases | 11 |
| Dimensions & weight | |
| IP rating | IP201 |
| Min. operating temperature | 0 °C1 |
| Width | 410 mm1 |
| Height | 780 mm1 |
| Depth | 270 mm1 |
| Weight | 96 kg1 |
| Warranty & lifespan | |
| Warranted cycles | 6,0001 |
| Warranty | 10 years1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — Sessy 2.0 10 kWh – specificaties – 09/2025
External links to Sessy'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 Sessy 2.0 10 kWh?
The usable capacity of the Sessy 2.0 10 kWh is 10.4 kWh.1
What is the charge power (continuous) of the Sessy 2.0 10 kWh?
The charge power (continuous) of the Sessy 2.0 10 kWh is 2.2 kW.1
Which cell chemistry does the Sessy 2.0 10 kWh use?
The cell chemistry of the Sessy 2.0 10 kWh is LFP.1
What is the warranty of the Sessy 2.0 10 kWh?
The warranty of the Sessy 2.0 10 kWh is 10 years.1
Sources
- Sessy 2.0 10 kWh – specificaties, 09/2025 (tekst herkend met OCR) — Sessy B.V. · accessed 27 Sept 2026
- SEAI home battery grant — Sustainable Energy Authority of Ireland (SEAI)