Prostar ET+Li Series 3-Phase Lithium UPS: Powering the Future of Critical Infrastructure
Prostar ET+Li Series is a next-generation, 3-phase lithium-ion UPS designed for mission-critical applications. With a power range of 10-200kVA and a perfect PF 1.0, it delivers unparalleled efficiency, speed, and reliability for data centers, industrial automation, and telecommunications. Its core innovation lies in the integrated BMS et intelligent DSP control, ensuring maximum safety and stability even in the most challenging grid environments.
Core Specifications
📊 Power Range: 10-200kVA
🔧 Topology: 3:3 Phase | PF 1.0
⚡ Voltage: 380V/400V/415VAC
Product Overview: Redefining Critical Power
The Prostar ET+Li Series represents a quantum leap in uninterruptible power supply technology. Moving beyond traditional lead-acid batteries, this series embraces cutting-edge lithium-ion technology, offering a compact, high-performance solution for modern, high-density power environments. Engineered for the most demanding applications, the ET+Li Series is not just a backup power source; it is a strategic asset for ensuring business continuity and operational resilience. Its 3:3 phase topology and unity power factor (PF 1.0) make it perfectly suited for powering modern IT equipment and industrial machinery, which often have non-linear loads and require clean, stable power.
Lithium-Ion Advantage
✅ Ultra-Fast Charging: Recharge up to 3x faster than conventional systems, drastically reducing recovery time and minimizing costly downtime.
✅ Integrated BMS: A sophisticated Battery Management System provides real-time monitoring of voltage, temperature, State of Charge (SoC), and State of Health (SoH), ensuring maximum safety and longevity.
Technical Deep Dive: The Engine of Reliability
The ET+Li Series is built on a foundation of advanced engineering, combining several key technologies to deliver a superior user experience and operational performance. The heart of the system is its intelligent Digital Signal Processor (DSP) control, which enables a hybrid architecture capable of maintaining perfect power stability even in the face of weak or unstable grid conditions. This is complemented by a 7-inch LCD touchscreen, which provides an intuitive interface for operators to monitor system status, configure settings, and log maintenance activities with ease.
Intelligent Control & Efficiency
✅ Intelligent DSP Control: Ensures system stability and power quality under all conditions.
✅ High Efficiency: ECO mode achieves up to 98% efficiency, significantly reducing energy consumption and operational costs.
✅ 100% Unbalanced Load Support: Handles complex, single-phase, or dual-phase loads without derating, offering unmatched flexibility.
Application Scope: Where Reliability is Non-Negotiable
The versatility and robustness of the Prostar ET+Li Series make it the ideal power solution for a wide array of critical industries. Its ability to handle 100% unbalanced loads and operate efficiently in weak grid environments makes it particularly valuable in settings where power quality is paramount. From the high-density server racks of a Tier-4 data center to the automated production lines of a smart factory, the ET+Li Series provides the unwavering power that modern businesses depend on.
Seamless Connectivity & Monitoring
✅ Advanced Connectivity: Supports a comprehensive suite of communication protocols including RS232, RS485, CAN, USB, SNMP, and WiFi/GPRS for remote monitoring and management.
✅ 7-inch LCD Touchscreen: Provides an intuitive, user-friendly interface for local control, configuration, and detailed maintenance logging.
Solution Architecture: A Complete Power Ecosystem
The Prostar ET+Li Series is more than just a piece of hardware; it is a complete power ecosystem designed to integrate seamlessly into your existing infrastructure. The system’s modular design and advanced connectivity options allow for easy scalability and centralized management. Whether you are protecting a single server room or a sprawling industrial campus, the ET+Li Series offers a scalable, future-proof solution that can grow with your business. Its comprehensive protection features, including output short circuit, overload, over-temperature, and low battery voltage protection, provide a multi-layered defense against power-related failures.
“In the digital age, power is not just about electricity; it’s about the uninterrupted flow of data and the resilience of your entire operation. The Prostar ET+Li Series is the silent guardian that ensures your critical systems never miss a beat.”










