SolaX Triple Power 5.8kWh SLAVE Battery (V3) Improved performance and flexibility with the latest SolaX Triple Power 5.8kWh SLAVE 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 SLAVE battery provides 5.8kWh nominal capacity with an increased 95% Depth of Discharge and a 10-year warranty. It is designed to expand existing SolaX Triple Power systems that already include a TP58 Master battery. Important: This is a SLAVE battery and cannot operate on its own. A TP58 Master battery is required. You cna purchase a master battery HERE. Compatibility: T58 V3 batteries maintain compatibility with existing V2 systems, allowing seamless replacement or expansion of installed systems. 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 SLAVE 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. Feature T58 V2 T58 V3 Improvement Depth of Discharge 90% 95% Higher usable battery capacity Max Batteries per Cluster 4 units 6 units Greater scalability (three-phase systems) Ingress Protection IP65 IP66 Improved dust and water resistance Battery Heating Not included Standard (UK) Improved cold-weather performance Dimensions (WxHxD) 474 × 708 × 193 mm 474 × 715 × 150 mm Thinner, unified design Weight (Slave) 68.5 kg 59.5 ± 1 kg Lighter and easier to install Peak Discharge Current – 50A @ 20s Improved short-duration output Fire Suppression – Supported Enhanced system safety 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: 59.5 ± 1 kg Installation & Monitoring Plug-and-play installation when paired with TP58 Master battery 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 SLAVE 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 use with TP58 Master batteries (V2 & V3) Not compatible with BMS Parallel Box G2 Frequently Asked Questions What is the SolaX Triple Power 5.8kWh SLAVE Battery (V3)? The TP58 V3 SLAVE is a high-voltage 5.8kWh lithium battery designed to expand existing SolaX Triple Power systems. It offers higher usable capacity, IP66 protection and integrated battery heating. Can this battery be used on its own? No. This is a SLAVE battery and requires a TP58 Master battery to operate. Is the V3 battery compatible with older V2 systems? Yes. The T58 V3 maintains compatibility with existing V2 systems, allowing seamless replacement or expansion. Does it work with the SolaX BMS Parallel Box? No. The T58 V3 is not compatible with the current SolaX BMS Parallel Box G2. What warranty is included? The battery includes a 10-year manufacturer warranty and is rated for over 6000 cycles at 95% Depth of Discharge. Product Code: HV11550(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 SLAVE Battery (V3) today from The Eco Supermarket for fast UK delivery, expert technical support and full manufacturer warranty. SKU: HV11550(H)-V3 Categories: All Products, Batteries, Energy Storage, SolaX Power
