
SolaX Triple Power HV 5.8kWh Heated LFP Main Battery MASTER V3
- UK stock — no drop-ship delays
- MCS-certified products
- Industry-lowest trade rates
- Free system design support
- Match inverters to panels with our online tool
- G98 / G99 compliance flagging
- Real-time stock availability
- Next-day delivery on stocked items
- Pallet quantities available — request a quote
- Dedicated account support
- SolaX Triple Power HV 5.8kWh Heated LFP Main Battery MASTER V3
- Part No: HV-T-BAT-H-58H-MASTER-V3
- Storage Systems - Li-ion Battery Pack
- Max expandable to 6 units with 34.6kWh capacity for single cluster
- 95% Depth of Discharge (DOD)
- Ultra-long lifespan, ensuring consistent performance and long-term reliability: Cycle life > 6000 cycle
- Flexible Heating: The T58-V3 features flexible two-level battery heating, designed to meet diverse user needs for optional performance
- Aerosol fire suppression for precise protection
- lP66 Ingress protection
- No toxic heavy metals or caustic materials
- LFP battery cell & high-performance processors
- Remote fault diagnosis, upgrade and maintenance
- Flexible Adaptability
- Floor or wall mounting optional
- V1 batteries are not compatible with V3 batteries.
- V3 batteries can be installed on existing V2 systems, but full functionality is only guaranteed when all batteries are the same generation.
- Heating is only available when both the master and slave batteries are V3. Heating function will not operate in mixed V2/V3 systems.
- If mixing V2 and V3 in a single battery stack, a V3 master battery is recommended. If a V2 master battery is used, a firmware update to the master will be required.
- V2 and V3 batteries cannot be mixed when using the BMS Parallel Box. Each parallel battery string must contain identical battery versions and quantities.
The T-BAT H 5.8 V3 delivers up to 95% depth of discharge and over 6,000 cycles, ensuring long-lasting, efficient energy storage. Its IP66 rating provides reliable operation in harsh environments, while its design avoids toxic heavy metals and caustic materials for a more eco-friendly solution.
With flexible wall or floor mounting options, the compact system enables quick installation, optimises space, and reduces self-consumption—making it a practical and dependable choice for residential energy storage.
High Performance
Assured Reliability
Smart Management
Please Note:
Up to 2 Slave batteries can be used with 1x Master in a single-phase system (Maximum 3 batteries in total)
Up to 5 Slave batteries can be used with 1× Master battery three-phase systems (max 6 batteries total)
Delivery times vary by region:
- UK — 1-2 business days
- Highlands & Islands — 1-2 business days
Returns accepted within 14 days of delivery for unused items in original packaging.

