Hoymiles, a global leader in smart energy solutions and a BNEF tier-1 global energy storage manufacturer, introduces HoyUltra 2, its latest commercial and industrial (C&I) energy storage system. Designed to meet the evolving demands of clean energy deployment, HoyUltra 2 integrates PCS, battery packs, BMS (Battery Management System), and TMS (Thermal Management System) into one compact, liquid-cooling unit—delivering exceptional performance, safety, and long-term reliability for C&I projects.
With 261 kWh battery capacity per unit and support for parallel installation of up to 16 units, HoyUltra 2 offers scalable, flexible energy storage tailored for wide-ranging scenarios—from small and medium-sized C&I setups to large industrial parks and microgrids. Whether paired with PV, integrated with EV charging stations, or used in microgrids, HoyUltra 2 empowers users to unlock higher energy efficiency while ensuring system stability.
What sets HoyUltra 2 apart?
Advanced liquid cooling
The advanced liquid cooling design of HoyUltra 2 improves the power density by over 20% and cuts energy consumption by up to 30% lower compared to traditional air-cooling method.
Efficient and reliable operation
HoyUltra 2 achieves an impressive 90.3% max. round-trip efficiency and 88.4% rated round-trip efficiency, with full-power operation and no derating even at 50°C or 3,000 meters altitude.
Smart edge-cloud collaboration for refined operation
HoyUltra 2 adopts a “Cloud-to-edge” EMS that features real-time monitoring, cloud-based fault alerts (<100 ms response), automated dispatch, and tariff management—helping C&I users maximize efficiency and reduce O&M costs.
Modular and easy maintenance
Modular architecture and quick-disconnect terminals enable fast, zero-leakage maintenance—cutting O&M time by up to 60%. Capacity can scale from 125 kW to 2 MW, with 16 units in parallel in grid-tied mode and 8 units for off-grid mode.
All-round adaptability for broad application
Certified to IP55 and C5 anti-corrosion standards, HoyUltra 2 is built for 15+ years of service in high-salinity or high-dust environments.
Comprehensive safety design
HoyUltra 2 employs a 3-level, 6-type protection strategy, including early warning, PACK fire
suppression, exhaust linkage, explosion relief, cabin suppression, and water fireproofing. This end-to-end solution ensures 24/7 risk detection and rapid prevention.
Hoyultra2 is equipped with a seamless transfer feature that ensures uninterrupted power during transitions, making it an ideal solution for data centre applications requiring high availability and reliability.
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