SolaX HS51O BMU – Battery Management Unit – TBMS-HS51O SolaX Power

SolaX HS51O BMU – Battery Management Unit (TBMS-S51-8O) Centralised battery control and system coordination with the SolaX HS51O BMU (TBMS-S51-8O). This Battery Management Unit is a required component of the SolaX TSYS-HS51 high-voltage battery system and provides communication, protection and intelligent control for connected HS51 and HS51O battery modules. The BMU acts as the control hub for the battery stack, managing charge and discharge behaviour, monitoring battery status and ensuring safe operation when connected to a compatible SolaX inverter. Important: HS51 / HS51O battery modules cannot operate without a BMU. One BMU is required per battery stack. Included in Kit 1x SolaX HS51O BMU (Battery Management Unit) Building a system? The BMU must be installed together with compatible HS51 or HS51O battery modules to form a complete high-voltage battery stack. Battery Configuration & System Requirements (Important) Minimum system requirement: 1x HS51O BMU (TBMS-S51-8O) At least 2x HS51 or HS51O battery modules Single battery tower: Up to 8 battery modules may be installed in a single tower (manufacturer guidance) Two-tower configuration: When installing 9 or more battery modules, a SolaX HS51O Series Box is required A configuration of 7 6 battery modules is commonly recommended Maximum battery quantity depends on: Inverter model Single-phase vs three-phase configuration Whether battery ports are paralleled If you are unsure which configuration is suitable for your inverter or site, please contact us before ordering. Key Features of the SolaX HS51O BMU Required control unit for SolaX HS51 / HS51O battery systems Manages charge, discharge and system coordination Supports optimiser-enabled HS51O battery modules High-voltage battery system communication Integrated protection and fault monitoring CAN / RS485 communication with inverter and accessories Compact stack-mounted design IP66 rated – suitable for indoor or outdoor installation Compatibility Designed for use with SolaX HS51 and HS51O high-voltage battery modules Compatible with supported SolaX hybrid and AC-coupled inverters Supports mixed HS51 / HS51O battery stacks (optimiser function disabled when mixed) Physical Specifications Installation type: Stack-mounted (top of battery tower) Ingress protection: IP66 Frequently Asked Questions What is the SolaX HS51O BMU? The HS51O BMU is the Battery Management Unit required to operate a SolaX HS51 or HS51O high-voltage battery system. It controls communication, protection and overall system operation. Do I need a BMU? Yes. A BMU is mandatory for all HS51 and HS51O battery systems. Battery modules cannot operate without it. Is one BMU required per battery? No. One BMU is required per battery stack, regardless of the number of battery modules installed (within system limits). When do I need a Series Box? A Series Box is required when installing more than 8 battery modules (9 or more), where a second battery tower is used. Product Code: TBMS-S51-8O Learn More: https://www.solaxpower.com/products/tsys-hs51.html Downloads Datasheet – SolaX TSYS-HS51 / HS51O Installation Guide User Manual Order the SolaX HS51O BMU today from The Eco Supermarket for fast UK delivery, expert technical support and full manufacturer warranty. SKU: TBMS-S51-8O Categories: All Products, Batteries, Energy Storage, SolaX Power