SolaX Triple Power 5.8kWh MASTER Battery – T-BAT H 5.8(H) V3

Improved performance and flexibility with the latest SolaX Triple Power 5.8kWh MASTER Battery (V3). This high-voltage lithium iron phosphate (LiFePO₄) battery offers increased usable capacity, improved environmental protection and built-in battery heating as standard for the UK market.

The TP58 V3 MASTER battery provides 5.8kWh nominal capacity with an increased 95% Depth of Discharge and a 10-year warranty. The MASTER battery is required to start a SolaX Triple Power battery system, and additional SLAVE batteries can be added to expand storage capacity.

Important: A SolaX Triple Power system requires at least 1x MASTER battery. SLAVE batteries cannot operate without a MASTER battery.

Compatibility: T58 V3 batteries maintain compatibility with existing V2 systems, allowing seamless replacement or expansion of installed systems.

Included in Kit

• 1x SolaX Triple Power 5.8kWh MASTER Battery (V3)
• Integrated Battery Management System (BMS)

Need more storage? Add SLAVE batteries to increase total capacity (subject to system limits). Purchase HERE.

Battery Configuration Limits (Important)

• Minimum Requirement
  • 1x TP58 MASTER Battery (V2 or V3)
• Maximum Batteries per Inverter (Without Parallel Box)
  • Single Phase: 1x MASTER + up to 2x SLAVE batteries
  • Three Phase: 1x MASTER + up to 5x SLAVE batteries

Note: The increased limit of 6 batteries per cluster applies to three-phase systems only.
Single-phase systems retain the same limits as previous generations.

Important: The T58 V3 battery is not compatible with the current SolaX BMS Parallel Box G2.

Key Features of the SolaX Triple Power 5.8kWh MASTER Battery (V3)

• 5.8kWh nominal capacity per battery
• 95% Depth of Discharge (DoD) for higher usable energy
• Built-in battery heating (standard for UK market)
• IP66 Rated – enhanced dust and water resistance
• High voltage LiFePO₄ chemistry for safety and efficiency
• Up to 6 batteries per cluster (three-phase systems only)
• Aerosol fire suppression for enhanced safety protection
• 50A peak discharge current (short duration)
• 6000+ life cycles at 95% DoD
• Wall or floor mountable
• CAN / RS485 communication
• 10-year manufacturer warranty

What’s Changed? – T58 V2 vs V3

The SolaX Triple Power T58 V3 introduces several important upgrades over the previous V2 generation, while maintaining compatibility for straightforward system upgrades and replacements.

Important notes:
• T58 V3 maintains compatibility with existing V2 systems.
• The 6-battery cluster limit applies to three-phase systems only.
• T58 V3 batteries are not compatible with the current BMS Parallel Box G2.

Physical Specifications

• Dimensions (WxHxD): 474 × 715 × 150 mm
• Weight: 61.5 ± 1 kg

Installation & Monitoring

• MASTER battery is required to run the battery stack (integrated BMS)
• Remote monitoring, diagnostics and firmware updates via SolaX Cloud
• Battery heating allows improved performance in cold environments

SolaX Triple Power V3 Warranty

The SolaX Triple Power 5.8kWh MASTER Battery (V3) includes a full 10-year warranty and is rated for over 6000 cycles at 95% Depth of Discharge.

Compatibility

• Compatible with SolaX high-voltage hybrid inverters
• Designed for new systems and for expanding existing V2 / V3 battery stacks
• Not compatible with BMS Parallel Box G2

Frequently Asked Questions

Product Code: T-BAT H 5.8(H) V3
Learn More: SolaX Triple Power 5.8kWh V3

Downloads

Datasheet – SolaX Triple Power 5.8kWh V3
User Manual – SolaX Triple Power 5.8kWh V3

Video

Order the SolaX Triple Power 5.8kWh MASTER Battery (V3) today from The Eco Supermarket for fast UK delivery, expert technical support and full manufacturer warranty.