Description
Key Features
- Modular Stack‑On Design – Stack up to 6 units vertically without racks or accessories, and parallel up to 32 batteries for scalable capacity.
- Integrated Touchscreen & BMS – Smart LCD display with advanced battery management system ensures safe operations and real‑time status monitoring.
- Impressive Lifecycle & Warranty – Delivers ~5,000 cycles with 10-year full warranty for long-term reliability.
- Expandable & Mobile – Comes with casters and built-in busbars, cables, and terminals; no extra purchases required.
- High-End Safety & Communications – UL9540A certified (RS51100), with RS485 closed‑loop communications supported by major inverters.
Product Overview
Engineered by Rubix (a joint venture of MillerTech and ARK Battery), the Stack Series RS-48100 is an innovative 48 V / 100 Ah (5.12 kWh) lithium‑iron‑phosphate (LiFePO₄) ESS battery tailor‑made for professional installers and homeowners seeking flexible, high-performance energy storage.
Unlike typical rack‑mounted units, this compact module can be effortlessly stacked—up to six high—for sleek installations. Wiring is elegantly hidden within enclosed compartments, and included casters enable fast, tool‑free relocation. Parallel up to 32 stacked modules to build any sized bank, from small residential backup to large commercial storage systems.
Performance & Durability
- Reliable Cells & Top‑Tier BMS: Built with matched Grade‑A LFP cells and advanced battery management for enhanced safety and longevity, with Impactive Balancing extending usable life up to 30 %.
- Warranty‑Backed: Includes a 10‑year full replacement warranty, aligning with 5,000+ cycle rating at 80 % Depth of Discharge.
- Certified Safety: RS51100 is UL9540A certified, adheres to industry safety standards for stationary ESS.
Accessibility & Integration
Equipped with a user‑friendly touchscreen displaying state‑of‑charge, voltage, currents, cell voltages, fault codes, and system settings. Full connectivity via RS485 (closed‑loop protocol) ensures seamless integration with top-tier inverters like Schneider, Sol‑Ark, Victron, Growatt, Megarevo, and Pylon.
Ideal Applications
Designed for:
- Home energy backup and load‑shifting
- Solar‑powered systems (on‑ or off‑grid)
- Small commercial installations
- Mobile or portable power needs (worksites, events)
- Off‑grid cabins, RVs, and remote sites
This system is built for installers and end‑users who demand high quality, flexibility, and longevity.
Technical Specifications
| Specification | Value |
|---|---|
| Model No. | RS-48100 |
| Nominal Voltage / Capacity | 51.2 V / 100 Ah (5.12 kWh) |
| Battery Chemistry | LiFePO₄ cells (Grade A) |
| Cycle Life | ≥ 5,000 cycles @80 % DoD |
| Warranty | 10 years full |
| BMS Protections | Over‑charge, over‑discharge, over‑current, short‑circuit, temperature protections |
| Balancing Type | Impactive (active balancing) |
| Stacking | Up to 6 modules vertically; up to 32 in parallel |
| Communication | RS485 (closed‑loop), optional RS232 / CAN |
| Safety Certification | UL9540A (RS51100 only) |
| Mobility Features | Casters included; bolt-on M8 terminals |
Specs & Info