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EK-903R-Li 3kVA 3000W Rackmount Online UPS for Lithium Batteries

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50 after-sales national systems
EK900R UPS
UPS Single Line Interactive
50 after-sales national systems
EK900R UPS

EK-903R-Li 3kVA 3000W Rackmount Online UPS for Lithium Batteries

ModelEK-900R-Li
StyleIT servers, laboratories, precision instruments, and small office power protection
Frequency Range46Hz~64Hz
Output Waveform Distortion<3%THD (Linear Load); <5%THD (Non-linear Load)
Life10 years
CertificateCE 、MSDS、Rosh
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Advantages of energy storage factories

Professional Smart Power & Energy Solutions!

  JIANGSU GSO NEW ENERGY TECHNOLOGY CO., LTD is a national high-tech enterprise and a technology innovation enterprise dedicated to photovoltaic and energy storage industry with independent R&D capabilities. Relying on the profound technical accumulation of power electronics from its group company, the company deeply integrates digital intelligent technology with core energy storage technology.
  It professionally covers a full industrial chain of products including inverters, lithium battery PACK, residential energy storage, commercial & industrial energy storage, mobile energy storage, energy storage converters, photovoltaic-energy storage systems and smart microgrids, and has built a full-life-cycle photovoltaic & energy storage product matrix covering residential, commercial & industrial and special scenarios.
  Our products have passed a full range of ISO certifications, EU CE, UN38.3, MSDS, IEC, goods transportation condition appraisal and many other authoritative domestic and
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Product Details

EKSI EK-903R-Li 3kVA/3000W Rackmount Online Lithium-Dedicated UPS

The EKSI EK-903R-Li (3kVA / 3000W) is a premium rackmount online double-conversion uninterruptible power supply engineered specifically for modern lithium-ion battery architectures. Featuring a true unity power factor (PF 1.0) and zero-millisecond (0ms) transfer time, it delivers ultra-reliable, uninterrupted sine wave power to critical server rooms, edge computing hubs, and industrial automation equipment.

Key Features & Highlights

  • Dedicated Lithium Battery Compatibility: Designed for 48VDC nominal lithium battery systems with flexible 40~64VDC charging parameters.
  • Unity Power Factor (PF 1.0): Delivers full 3000W active output power to maximize equipment density.
  • Battery-Free Operation Support: Capable of powering connected loads directly without batteries attached during installation or maintenance.
  • Parallel Scalability: Supports parallel connection of up to 9 units for N+X redundancy or capacity expansion.
  • High Efficiency: Reaches up to 93.5% efficiency in online mode and 98% in ECO mode to reduce operational energy costs.
  • Advanced Charging & Management: Built-in smart charger (60A Max) optimizes lithium battery lifespan and charging speed.

Technical Specifications

ModelEK-903R-Li
Capacity3000VA / 3000W
Input Voltage Range110~280VAC (50% load); 176~280VAC (100% load)
Output Voltage220 / 230 / 240 VAC ±1%
Transfer Time0ms (Utility to Battery)
Output WaveformPure Sine Wave
DC Bus Voltage40~64 VDC (Nominal 48V system)
Dimensions (W*D*H)438 * 420 * 132.5 mm (3U Rackmount)
Weight15 kg

Target Applications

Ideal for IT data centers, telecom base stations, edge networks, medical diagnostics, and commercial facilities utilizing 48V lithium energy storage systems.

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