SolaXT-BAT H 5.8 V3
The SolaX T-BAT H 5.8 V3 is a home battery with usable capacity 5.5 kWh, charge power (continuous) 2.9 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 |
| Performance | |
| Usable capacity | 5.5 kWh1 |
| Nominal capacity | 5.8 kWh1 |
| Charge power (continuous) | 2.9 kW1 |
| Discharge power (continuous) | 2.9 kW1 |
| Peak power | 4 kW1 |
| Efficiency | |
| Depth of discharge | 95 %1 |
| Dimensions & weight | |
| IP rating | IP661 |
| Min. operating temperature | -30 °C1 |
| Width | 474 mm1 |
| Height | 715 mm1 |
| Depth | 150 mm1 |
| Weight | 61.5 kg1 |
| Warranty & lifespan | |
| Warranted cycles | 6,0001 |
| Warranty | 10 years1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — High-voltage Battery System T-BAT H 5.8(H) V3 HV11550(H) V3 Datasheet – V1.2
External links to SolaX'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 SolaX T-BAT H 5.8 V3?
The usable capacity of the SolaX T-BAT H 5.8 V3 is 5.5 kWh.1
What is the charge power (continuous) of the SolaX T-BAT H 5.8 V3?
The charge power (continuous) of the SolaX T-BAT H 5.8 V3 is 2.9 kW.1
Which cell chemistry does the SolaX T-BAT H 5.8 V3 use?
The cell chemistry of the SolaX T-BAT H 5.8 V3 is LFP.1
What is the warranty of the SolaX T-BAT H 5.8 V3?
The warranty of the SolaX T-BAT H 5.8 V3 is 10 years.1
Sources
- High-voltage Battery System T-BAT H 5.8(H) V3 HV11550(H) V3 Datasheet, V1.2 — SolaX Power · accessed 29 Sept 2026
- SEAI home battery grant — Sustainable Energy Authority of Ireland (SEAI)