HoyUltra 2

HoyUltra 2 series (Model: HESS-261-2h) is a next-generation fully liquid cooling C&I battery system by Hoymiles, Its maximum round-trip efficiency can reach 90.3%. Equipped with a 3-level, 6-type safety protection mechanism, it ensures 24/7 safe operation. The edge EMS and local APP system enable intelligent operation and maintenance.The battery and PCS feature a fully liquid cooling design, allowing for full - capacity operation without derating even at 50°C. The core components boasting an IP55 protection rating and noise levels as low as 60dB.

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Features
Tech Specs

Features

- A standalone system with an integrated multi-level BMS ensures exceptional safety, while multi-DC fuse protection guarantees fast-breaking and anti-arc safety Economical and Efficient.
- Advanced thermal management ensures cell consistency and extends cycle life, with a one-string-one-management approach for enhanced usable capacity.
- Easily transportable, and pre-assembled battery system, eliminating the time to install on site, Supports multi-cabinet parallel connection and offers PQ, VF, black start, and more.
- Enhanced safety features include a fire suppression system, gas detection, and an emergency shutdown function for added protection.

Tech Specs

Datasheet

HoyUltra 2

- Cell Type:
  
  LFP3.2V / 314Ah
- Nominal Battery Energy:
  
  261kWh
- (On-grid) Rated Output Power:
  
  125kW（@50℃）
- (On-grid) Grid Type:
  
  3P3W / 3P4W
- Maximum Round-trip Efficiency:
  
  90.3%
- Overload Capacity:
  
  Operate for a long time at 1.1 times (137.5kW@45℃),Operate for no less than 1 minutes at 1.2 times the rated load
- Noise:
  
  70dB (Optional 60dB)