Description
Eastman 5kWh Lithium Battery Overview
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 .
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 .
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 .
Scalable Parallel Capability: Supports up to 15 units in parallel, allowing system expansion from 5kWh to over 75kWh as your energy needs grow .
Intelligent BMS: Advanced battery management system with RS485/CAN communication for real-time monitoring and seamless inverter integration .
Comprehensive Safety Features: Multiple protection functions including overcharge, over-discharge, over-current, high-temperature, and low-temperature alerts .
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:
Clean, professional installations in equipment rooms and server racks
Efficient use of vertical space
Easy integration with existing rack-mounted equipment
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:
Superior thermal and chemical stability
No thermal runaway risk
6000-cycle lifespan at 70% state of health
Environmentally friendly materials
Intelligent Battery Management System
The integrated BMS provides comprehensive monitoring and protection :
Real-time voltage, current, and temperature monitoring
Automatic cell balancing with adjustable parameters
Protection against overcharge, over-discharge, and over-current
High-temperature and low-temperature alerts
Flexible Communication Options
Multiple communication interfaces enable seamless system integration :
RS485/CAN: Connects directly to inverters for full battery data monitoring
RS485/RS485: Enables daisy-chain communication between parallel batteries
Scalable Power Architecture
Start with 5.12kWh and expand as needed :
Up to 15 units in parallel
Scalable from 5kWh to over 75kWh total capacity
Perfect for growing energy needs
Applications
Solar Energy Storage: Store solar power for nighttime use in residential and commercial solar systems .
Telecom Backup: Provide reliable backup power for telecommunications infrastructure .
UPS Systems: Deliver clean, instant backup power for critical equipment and servers .
Emergency Lighting: Ensure reliable illumination during power outages .
Off-Grid Solutions: Power remote homes, cabins, and facilities without grid access .
Portable Equipment: Ideal for camping, mobile units, and temporary setups requiring reliable power .
Installation Guidelines
Rack-Mount Installation
Rack Requirements: Ensure your 19-inch rack has sufficient depth (minimum 520mm) and weight capacity for 44kg per unit.
Ventilation: Maintain adequate airflow around units—do not block ventilation openings.
Weight Distribution: When installing multiple units, distribute weight evenly from bottom to top.
Mounting: Secure the battery using appropriate rack-mount rails or shelf.
Parallel Configuration
For multiple units :
Up to 15 units can be connected in parallel
Configure communication addresses for each unit
Connect RS485/RS485 ports in daisy chain
Connect power terminals in parallel using appropriately sized busbars or cables
General Installation Notes
Install in clean, dry, well-ventilated areas away from direct sunlight
Ensure all connections are clean and tight to prevent heat generation
Use appropriately sized cables for 100A continuous current
Follow local electrical codes and regulations
Operation Guide
Communication Settings
The battery supports multiple communication modes :
RS485/CAN: For direct inverter communication
RS485/RS485: For parallel battery communication
Monitoring
The BMS provides real-time data including :
Battery voltage and current
Cell voltages and balance status
Temperature readings
State of charge (SOC)
State of health (SOH)
Alarm and protection status
Protection Features
The system includes comprehensive warnings for :
Overcharge conditions
Over-discharge events
Over-current situations
High-temperature scenarios
Low-temperature conditions
Maintenance
Visual Inspection: Periodically check terminals for tightness and casing for damage.
Clean Surface: Keep battery enclosure clean and dry.
Software Monitoring: Use communication ports to periodically check cell balance and system health.
Firmware: Check with Eastman for any available firmware updates to ensure optimal performance.
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 :
Professional Form Factor: 3U rack-mount design integrates seamlessly into equipment rooms
Proven Cycle Life: 6000+ cycles means 10+ years of reliable daily use
Scalable: Start with 5kWh and expand to over 75kWh as needs grow
Inverter Compatible: CAN/RS485 communication works with major inverter brands
Comprehensive Certifications: IEC62619, CE, UN38.3 for safety and transport compliance
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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