200~225kWh Indoor Dc Battery Cabinet

The 200–225kWh indoor DC high-voltage battery cabinet is a fully integrated LiFePO4 energy storage solution independently developed by Xinrui Energy, tailor-made for commercial & industrial indoor scenarios including factory peak-shaving, PV self-consumption, critical load backup, and microgrid operation.

Equipped with a complete set of built-in subsystems: high-voltage LFP battery packs, intelligent BMS, constant-temperature air cooling, automatic fire suppression, local HMI touch screen and EMS cloud monitoring module, the whole unit is pre-assembled and fully tested in factory, realizing plug-and-play indoor deployment without complicated civil construction.

With a compact vertical cabinet layout, it saves valuable indoor space, supports multiple cabinets parallel expansion to scale up system capacity flexibly. The high-voltage DC architecture cuts circuit current loss and boosts round-trip efficiency, perfectly matching DC-coupled PCS, solar PV and charging piles for all-in-one light storage charging projects.

1.High-Safety LFP Cell & Multi-Layer Protection

Adopts long-cycle lithium iron phosphate cells; built-in cell-level, pack-level and system-level multi-stage protection against overvoltage, undervoltage, overcurrent, short circuit and overheating. Equipped with independent aerosol fire suppression and smoke/temperature sensing linkage to eliminate thermal runaway risks fundamentally.

2.Integrated Air-Cooled Constant Temperature System

Dedicated indoor air cooling loop stabilizes internal battery temperature within a narrow range, minimizes cell consistency deviation, slows down capacity attenuation and extends the whole system service life over 10 years (≥6000 full cycles @80% DOD).

3.Modular & Scalable Design

200kWh / 225kWh two capacity options available; multiple cabinets support parallel connection on-site for capacity expansion, flexible to match different industrial load and power demand growth. Modular battery packs simplify single-unit replacement and daily maintenance without shutting down the whole station.

4.7×24h Intelligent Cloud Monitoring & Early Warning

Onboard local touch HMI for real-time data display; compatible with Xinrui self-developed energy management cloud platform via Ethernet/4G. AI algorithm monitors hundreds of operational parameters round-the-clock, pushes early fault alarms remotely to avoid unplanned downtime.

5.DC-Coupled High Efficiency Architecture

High nominal DC voltage (716.8V) reduces cable current and power loss, higher energy round-trip efficiency compared with low-voltage storage systems. Seamlessly compatible with DC PV, DC fast chargers and bidirectional PCS for light-storage-charging integrated microgrid projects.

6.Factory Pre-Integrated, Easy Indoor Installation

All core components (battery, BMS, cooling, fire protection, communication) are pre-wired and inspected in workshop. Standard indoor cabinet size, no extra container foundation required, shortens on-site commissioning cycle and lowers overall construction cost.

7.Full Lifecycle Standardized O&M Support

Matched with Xinrui's intelligent O&M service system; supports routine inspection, quarterly cell balance maintenance and annual capacity calibration. Hierarchical fault response mechanism covers remote diagnosis and on-site rush repair to reduce long-term operation cost.

8.Wide Application Compatibility

Suitable for factory peak-valley arbitrage, commercial building backup power, distributed PV energy storage, off-grid microgrid, DC EV charging stations and other medium & large indoor energy storage scenarios.

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