ELIR Series - Rack-Mount Lithium Battery 51.2V 50Ah to 200Ah
ECELL ELIR51.2-100 | 51.2V 100Ah Rack LiFePO4 Battery
Detailed Description
| Parameter | Specifications |
| Model Number | ELIR51.2-100 |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Total Energy | 5.12 kWh |
| Rack Height | 3U |
| Cell Type | LiFePO4 (Grade A) |
| Max. Charge Current | 100A |
| Max. Discharge Current | 100A |
| Communication | RS485 / CAN |
| Cycle Life | ≥ 6,000 Cycles @ 80% DOD |
| Design Life | 15 Years |
| Dimensions (WDH) | 442 x 431 x 177mm |
Key Features:
・ Standard 3U Rack-Mount Form Factor: Specifically designed for effortless integration into standard 19-inch networking and server cabinets.
・ High-Density LiFePO4 Chemistry: Built with Grade A Lithium Iron Phosphate cells to ensure maximum thermal stability and safety.
・ Advanced Smart BMS: Integrated system monitors cell voltage, current, and temperature in real-time to prevent overcharging and deep discharge.
・ 6000+ Deep Cycle Life: Engineered to last over 10 years with a cycle life that far exceeds traditional lead-acid or AGM alternatives.
・ Intelligent Communication Ports: Features RS485 and CAN communication interfaces for seamless synchronization with leading solar inverters and monitoring software.
・ Modular Scalability: Supports parallel connection of multiple modules to increase total capacity for large-scale energy requirements.
Specification:
| Series | ECELL BATTERIES Model | Voltage V | Capacity Ah | Energy kWh | Height (1U=44.45mm) | Dimension (mm) | Weight kg | Type | ||
| L | W | H | ||||||||
| ELIR | ELIR24-100 | 25.6 | 100 | 2.56 | 4U | 422 | 350 | 177 | 26.00 | LiFePO4 |
| ELIR24-200 | 25.6 | 200 | 5.12 | 4U | 442 | 450 | 177 | 43.00 | LiFePO4 | |
| ELIR51.2-50 | 51.2 | 50 | 2.56 | 3U | 442 | 442 | 132 | 28.00 | LiFePO4 | |
| ELIR51.2-100 | 51.2 | 100 | 5.12 | 4U | 442 | 431 | 177 | 43.00 | LiFePO4 | |
| ELIR51.2-100 | 51.2 | 100 | 5.12 | 3U | 442 | 460 | 133 | 43.00 | LiFePO4 | |
| ELIR51.2-150 | 51.2 | 150 | 7.68 | 4.5U | 442 | 550 | 198 | 64.00 | LiFePO4 | |
| ELIR51.2-200 | 51.2 | 200 | 10.24 | 5.5U | 442 | 550 | 244 | 82.00 | LiFePO4 | |
WHY ECELL BATTERIES?
- Industrial-Grade Reliability: Our ELIR series is tested under extreme conditions to guarantee performance in critical infrastructure.
- Smart Integration: Designed to be compatible with a wide range of global inverter brands, making system setup fast and efficient.
- Maximum Energy Density: We provide more power in a smaller footprint (3U), allowing you to save valuable rack space.
- Comprehensive Warranty & Support: ECELL offers full technical documentation and professional support for large-scale B2B deployments.
FAQ 1: Why should I choose ECELL BATTERIES LiFePO4 over traditional Lead-Acid batteries?
LiFePO4 technology from ECELL BATTERIES offers a transformative upgrade for power storage, characterized by:
- Superior Cycle Life: While lead-acid batteries typically last 300-500 cycles, our LiFePO4 cells can exceed 3,000 to 6,000 cycles, offering a much longer service life.
- Significant Weight Reduction: ECELL BATTERIES LiFePO4 units are approximately 1/3 the weight of lead-acid equivalents, making them ideal for RVs, marine, and portable applications.
- Higher Efficiency: They feature a 99% charge efficiency compared to roughly 85% for lead-acid, meaning less energy is wasted during the charging process.
- Constant Power Delivery: Our batteries maintain a flat voltage curve, delivering consistent power even as the capacity drops, whereas lead-acid power weakens as it drains.
- Depth of Discharge (DOD): You can safely use up to 100% of the rated capacity of an ECELL BATTERIES LiFePO4, compared to only 50% recommended for lead-acid to avoid damage.
- Low Total Cost of Ownership: Despite a higher upfront cost, the extended lifespan and zero maintenance requirements make ECELL BATTERIES the more economical choice over time.
FAQ 2: What safety features are integrated into ECELL BATTERIES LiFePO4 products?
Safety is the core foundation of ECELL BATTERIES. Our lithium iron phosphate products include multiple layers of protection:
- Advanced Built-in BMS: Every battery includes a Battery Management System (BMS) that monitors cells in real-time to prevent over-charging and over-discharging.
- Thermal Stability: LiFePO4 is the safest lithium chemistry available, with a high thermal runaway threshold that prevents fire or explosion even under extreme conditions.
- Short Circuit Protection: The ECELL BATTERIES BMS instantly disconnects the circuit if a short is detected, protecting both the battery and your connected equipment.
- Over-Current Guard: Our system automatically regulates the flow of electricity to ensure the current stays within safe operating limits, preventing internal overheating.
- Precision Cell Balancing: The BMS ensures that every individual cell within the ECELL BATTERIES pack stays at the same voltage, maximizing performance and safety.
- Rugged Housing: We utilize high-grade, flame-retardant materials for our battery casings to provide physical protection against impact and harsh environments.
FAQ 3: How can I maximize the performance and longevity of my ECELL BATTERIES?
To ensure your ECELL BATTERIES investment lasts for a decade or more, follow these optimization guidelines:
- Use Compatible Chargers: Always use a charger specifically designed for LiFePO4 profiles to ensure the correct voltage and charging stages are applied.
- Avoid Temperature Extremes: While durable, ECELL BATTERIES perform best when stored and operated in temperatures between 0°C to 45°C (32°F to 113°F).
- Proper Storage State: If storing for long periods, keep the battery at 50%–70% state of charge rather than leaving it completely full or empty.
- Avoid Low-Temperature Charging: Never charge the battery in sub-freezing temperatures unless it is equipped with an internal heating system, as this can cause permanent cell damage.
- Tighten Connections: Ensure all cable terminals are clean and tightly secured to ECELL BATTERIES posts to prevent resistance-induced heat buildup.
- Regular Usage: Lithium batteries benefit from occasional use; if stored, we recommend a full charge/discharge cycle every 3 to 6 months to calibrate the BMS.
Welcomes Your Consultation
We have built an authoritative qualification system that spans the entire chain of R&D, production, sales and service.
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Room 302, Block C, Software Park, No. 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province, China.
Application Scenarios:
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Electric Vehicles
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Telecommunication Facilities
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Access Control and Security Systems
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Medical Equipment
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Electric Bikes and Scooters
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Lawn Mower
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Uninterruptible Power Supplies
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Golf Cars & Motive Power Battery
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Solar Power Storage Energy And Wind Power
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Emergency Lighting And CCTV Security Systems
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Street lighting and traffic lights
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Electrical Supply Network and Power Industry
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Data Processing Centers
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Floor Cleaning Equipment
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Wheelchairs
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Security and safety systems






