Description
Eastman 5kWh Lithium Battery Overview
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Standardized Rack-Mount Design: 3U form factor (175mm height) fits standard 19-inch server racks, enabling clean, professional installations in equipment rooms and utility areas .
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5.12kWh Capacity: Provides 5.12kWh of usable energy at 51.2V nominal voltage—ideal for expanding existing solar systems or building scalable backup power solutions .
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Advanced LiFePO₄ Chemistry: Utilizes safe, long-life lithium iron phosphate battery cells with exceptional thermal stability and over 6000 cycles at 70% state of health .
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Scalable Parallel Capability: Supports up to 15 units in parallel, allowing system expansion from 5kWh to over 75kWh as your energy needs grow .
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Intelligent BMS: Advanced battery management system with RS485/CAN communication for real-time monitoring and seamless inverter integration .
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Comprehensive Safety Features: Multiple protection functions including overcharge, over-discharge, over-current, high-temperature, and low-temperature alerts .
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Wide Application Versatility: Suitable for solar systems, telecom backup, UPS, emergency lighting, and off-grid solutions .
Eastman 5kWh Lithium Battery Technical Specifications
| Specification | Value |
|---|---|
| Model | ES51.2-100DS |
| Nominal Energy | 5.12 kWh |
| Nominal Voltage | 51.2V |
| Rated Capacity | 100Ah |
| Array Mode | 16S (16 cells in series) |
| Charge Voltage | 58.4V |
| Discharge Cut-off Voltage | 42.4V |
| Standard Charging Current | 20A |
| Max Continuous Charging Current | 100A |
| Max Continuous Discharging Current | 100A |
| Cycle Life | 6000 cycles @70% SOH @0.2C/0.2C @25°C |
| Communication Interfaces | RS485 / CAN, RS485 / RS485 |
| Parallel Capability | Yes, up to 15 units |
| Dimensions (L × W × H) | 520mm × 495mm × 175mm (3U height) |
| Net Weight | 44 kg |
| Gross Weight | 48 kg |
| Operating Temperature (Charge) | 0°C to 55°C |
| Operating Temperature (Discharge) | -10°C to 60°C |
| Humidity | <90% RH |
| Altitude | ≤4000m |
| Shelf Temperature | 10°C to 60°C |
| Design Life | 10+ years at 25°C |
| Warranty | 5 Years |
| Certifications | IEC62619, CE, UN38.3, UN3480, MSDS |
Key Features Explained
Standardized Rack-Mount Design
The ES51.2-100DS features a 3U standardized case (175mm height) designed for broad applicability in 19-inch rack systems . This form factor enables:
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Clean, professional installations in equipment rooms and server racks
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Efficient use of vertical space
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Easy integration with existing rack-mounted equipment
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Simplified cabling and organization
Advanced LiFePO₄ Technology
This rack-mount battery employs high-performance lithium iron phosphate cells in a 16S configuration . LiFePO₄ chemistry offers:
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Superior thermal and chemical stability
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No thermal runaway risk
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6000-cycle lifespan at 70% state of health
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Environmentally friendly materials
Intelligent Battery Management System
The integrated BMS provides comprehensive monitoring and protection :
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Real-time voltage, current, and temperature monitoring
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Automatic cell balancing with adjustable parameters
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Protection against overcharge, over-discharge, and over-current
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High-temperature and low-temperature alerts
Flexible Communication Options
Multiple communication interfaces enable seamless system integration :
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RS485/CAN: Connects directly to inverters for full battery data monitoring
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RS485/RS485: Enables daisy-chain communication between parallel batteries
Scalable Power Architecture
Start with 5.12kWh and expand as needed :
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Up to 15 units in parallel
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Scalable from 5kWh to over 75kWh total capacity
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Perfect for growing energy needs
Applications
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Solar Energy Storage: Store solar power for nighttime use in residential and commercial solar systems .
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Telecom Backup: Provide reliable backup power for telecommunications infrastructure .
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UPS Systems: Deliver clean, instant backup power for critical equipment and servers .
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Emergency Lighting: Ensure reliable illumination during power outages .
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Off-Grid Solutions: Power remote homes, cabins, and facilities without grid access .
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Portable Equipment: Ideal for camping, mobile units, and temporary setups requiring reliable power .
Installation Guidelines
Rack-Mount Installation
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Rack Requirements: Ensure your 19-inch rack has sufficient depth (minimum 520mm) and weight capacity for 44kg per unit.
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Ventilation: Maintain adequate airflow around units—do not block ventilation openings.
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Weight Distribution: When installing multiple units, distribute weight evenly from bottom to top.
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Mounting: Secure the battery using appropriate rack-mount rails or shelf.
Parallel Configuration
For multiple units :
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Up to 15 units can be connected in parallel
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Configure communication addresses for each unit
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Connect RS485/RS485 ports in daisy chain
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Connect power terminals in parallel using appropriately sized busbars or cables
General Installation Notes
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Install in clean, dry, well-ventilated areas away from direct sunlight
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Ensure all connections are clean and tight to prevent heat generation
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Use appropriately sized cables for 100A continuous current
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Follow local electrical codes and regulations
Operation Guide
Communication Settings
The battery supports multiple communication modes :
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RS485/CAN: For direct inverter communication
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RS485/RS485: For parallel battery communication
Monitoring
The BMS provides real-time data including :
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Battery voltage and current
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Cell voltages and balance status
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Temperature readings
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State of charge (SOC)
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State of health (SOH)
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Alarm and protection status
Protection Features
The system includes comprehensive warnings for :
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Overcharge conditions
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Over-discharge events
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Over-current situations
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High-temperature scenarios
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Low-temperature conditions
Maintenance
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Visual Inspection: Periodically check terminals for tightness and casing for damage.
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Clean Surface: Keep battery enclosure clean and dry.
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Software Monitoring: Use communication ports to periodically check cell balance and system health.
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Firmware: Check with Eastman for any available firmware updates to ensure optimal performance.
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Air Vents: Ensure ventilation paths remain unobstructed.
Technical Comparison: Rack-Mount Options
| Model | ES51.2-100DS | ES51.2-400BS |
|---|---|---|
| Nominal Energy | 5.12 kWh | 20.48 kWh |
| Configuration | Single module (16S) | 4 modules (16S × 4) |
| Form Factor | 3U rack-mount | Floor-standing rack |
| Dimensions (mm) | 520×495×175 | 600×600×1050 |
| Weight | 44 kg | 215 kg |
| Max Parallel | 15 units | 15 units |
Why Choose Eastman Rack-Mount?
The Eastman ES51.2-100DS represents the ideal balance of compact design, intelligent features, and scalable capacity :
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Professional Form Factor: 3U rack-mount design integrates seamlessly into equipment rooms
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Proven Cycle Life: 6000+ cycles means 10+ years of reliable daily use
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Scalable: Start with 5kWh and expand to over 75kWh as needs grow
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Inverter Compatible: CAN/RS485 communication works with major inverter brands
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Comprehensive Certifications: IEC62619, CE, UN38.3 for safety and transport compliance
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5-Year Warranty: Peace of mind with manufacturer-backed warranty
Contact Us
Ready to add professional rack-mount energy storage to your solar system or backup power setup? Contact our team today for expert advice, pricing, or to discuss your specific energy requirements.
📞 Call / WhatsApp: 0794485343
📧 Email: info@globussolar.com
🌐 Web: www.globussolar.com
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