SMAHome Storage 9.8
The SMA Home Storage 9.8 is a home battery with usable capacity 9.84 kWh, round-trip efficiency 94.5 % 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 |
| Performance | |
| Usable capacity | 9.84 kWh1 |
| Smallest configuration | 3.28 kWh1 |
| Expandable up to | 19.68 kWh1 |
| Efficiency | |
| Round-trip efficiency | 94.5 %1 |
| Electrical | |
| Coupling | DC-coupled1 |
| Backup power | Yes1 |
| Dimensions & weight | |
| IP rating | IP651 |
| Min. operating temperature | -10 °C1 |
| Weight | 114 kg1 |
| Warranty & lifespan | |
| Warranty | 10 years1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — SMA Home Storage – datasheet – HS-BM-10-DS-en-20 (last revised 08/2026)
External links to SMA'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 SMA Home Storage 9.8?
The usable capacity of the SMA Home Storage 9.8 is 9.84 kWh.1
What is the round-trip efficiency of the SMA Home Storage 9.8?
The round-trip efficiency of the SMA Home Storage 9.8 is 94.5 %.1
Which cell chemistry does the SMA Home Storage 9.8 use?
The cell chemistry of the SMA Home Storage 9.8 is LFP.1
What is the warranty of the SMA Home Storage 9.8?
The warranty of the SMA Home Storage 9.8 is 10 years.1
Sources
- SMA Home Storage – datasheet, HS-BM-10-DS-en-20 (last revised 08/2026) — SMA Solar Technology AG · accessed 27 Sept 2026
- SEAI home battery grant — Sustainable Energy Authority of Ireland (SEAI)