Fox ESS Mini Qube (Slave) - 2.1kWh Add-On Battery for Plug-In Balcony Solar Storage

Fox ESS Mini Qube Slave – 2.1kWh Expansion Battery Expandable plug-in battery storage with the Fox ESS Mini Qube Slave (MQ2200-S). This 2.1kWh add-on battery module is designed to increase usable storage capacity within the Fox ESS Mini Qube system, stacking neatly with a Mini Qube Master to create a modular balcony solar and small-scale energy storage solution. The Mini Qube Slave contains battery storage only and relies on a Mini Qube Master for control, power management and grid interaction. Status: UK version pending final release. Specifications and availability subject to confirmation. What is the Mini Qube Slave? The Mini Qube Slave is an expansion battery unit for the Fox ESS Mini Qube platform. It does not include an inverter or control electronics and is designed solely to increase total system storage capacity when paired with a compatible Mini Qube Master. It enables users to start with a smaller system and add storage incrementally as energy usage or solar generation increases. Battery Capacity Battery capacity: approx. 2.1kWh per Slave unit Maximum system size: approx. 8.4kWh (1 Master 3 Slaves) System Expansion & Scalability Requires 1x Mini Qube Master per system Expandable with up to 3 Mini Qube Slave battery units Maximum of 4 Mini Qube units per system (1 Master 3 Slaves) Important: Mini Qube Slave units cannot operate independently and must be paired with a Mini Qube Master. Key Features 2.1kWh battery capacity per Slave unit Modular expansion for Mini Qube systems Stackable, compact design Designed for balcony solar and small-scale storage Non-invasive installation when added to an existing system Part of the Fox ESS residential energy ecosystem Intended Applications Balcony solar installations Apartments and flats Small residential PV systems Users expanding an existing Mini Qube installation Compatibility Designed exclusively for use with Fox ESS Mini Qube Master units Compatible with both Hybrid and AC-coupled Mini Qube Masters Monitoring and control handled via the Master unit and FoxCloud Frequently Asked Questions What is the Mini Qube Slave? The Mini Qube Slave is a 2.1kWh expansion battery designed to increase storage capacity in a Fox ESS Mini Qube system. Can the Mini Qube Slave work on its own? No. The Slave unit contains battery storage only and must be connected to a Mini Qube Master to operate. How many Slave units can be added? Up to three Mini Qube Slave batteries can be connected to a single Mini Qube Master, for a total of four units per system. Is the Mini Qube available in the UK? The UK version is currently pending final approval and release. This listing is published in advance for information and SEO purposes. Product Code: MQ2200-S Register your interest in the Fox ESS Mini Qube Slave with The Eco Supermarket. Full UK specifications, pricing and availability to follow. SKU: MQ2200-S-H Categories: All Products, Energy Storage, Fox ESS, Hybrid Inverters, Single Phase, SolaX Power