Engineered for remote cellular base stations, microwave relay links, and off-grid communication sites, our advanced low-temperature lithium battery packs integrate smart thermal management and robust BMS protection to ensure dependable cold-weather discharge and safe sub-zero recovery without compromising lifecycle or safety.
Key Technical Specifications & Engineering Matrix
|
Technical Parameter |
Engineering Specification & Options |
|
Nominal Voltage Window |
24V, 48V (48V DC standard telecom bus), or customized voltages (12V to 512V) |
|
Operating Temperature (Discharge) |
Down to -40°C with optimized low-temperature chemistry and high retention rates |
|
Operating Temperature (Charge) |
Integrated low-temperature active/passive heating management for safe charging down to -20°C |
|
Cell Chemistry Platform |
LFP (Lithium Iron Phosphate) for safety/long cycle life; high-density NMC options available |
|
Communication Protocols |
RS485, CAN 2.0B, SNMP, or dry contacts for seamless NOC integration |
|
Enclosure & Protection |
IP55 to IP65 ruggedized steel/aluminum enclosures, 19-inch rack-mount or wall-mount options |
|
International Standards |
Compliant with UL 1973, IEC 62619, CE, UN 38.3, and RoHS guidelines |
Intelligent BMS & Cold-Weather Protection Architecture
Our smart Battery Management System (BMS) is custom-engineered to handle extreme meteorological challenges through automated protection logic:
Smart Low-Temperature Charge Inhibition: Automatically blocks direct low-temperature charging currents until internal heating films or ambient conditions bring cell temperatures into the safe charging zone (>0°C).
Dynamic Thermal Management: Utilizes intelligent internal heating mats powered by the external grid/rectifier during standby to safely warm cells before accepting a charge.
Comprehensive Safety Protections: Real-time cell-level monitoring for overvoltage, undervoltage, overcurrent, short circuits, and thermal runaway prevention.
Telemetry & Remote Monitoring: Transmits real-time voltage, current, internal temperature, state of charge (SoC), and fault alarms directly to the telecom power management system.
Quality Assurance & Rigorous Testing Standards
To guarantee field reliability in mission-critical telecom networks, every battery series undergoes stringent testing protocols before leaving the facility:
Environmental Stress Screening (ESS): High and low-temperature thermal shock cycling.
Electrical Performance Testing: Capacity verification across full temperature spectrums (-40°C to +55°C).
Safety & Abuse Compliance: Overcharge, short-circuit, drop, and vibration resistance tests certified to international norms (UL/IEC).
Streamlined OEM/ODM Customization Process
We support tailored engineering for specific industrial and telecom projects through a structured 4-step workflow:
Requirement Analysis: Review of your DC bus voltage, load profile, cabinet dimensions, and temperature constraints.
Engineering Design & Simulation: Tailoring the BMS firmware, thermal management, mechanical housing, and communication protocols.
Sample Prototyping & Testing: Delivering prototype units for rigorous on-site validation and client sign-off.
Volume Production & Traceability: Full-scale manufacturing with strict quality control, individual serial tracking, and export-grade packaging.
FAQ
Q: Can this battery directly replace an existing lead-acid telecom battery?
A: Yes, provided the voltage range, physical dimensions, and communication protocols are verified and matched with your existing rectifiers.
Q: How does the heating system affect overall standby power consumption?
A: The internal heating elements draw power directly from the AC grid or rectifier during low-temperature standby, and their energy budget is factored into the overall power planning during technical review.
Q: What documentation is provided prior to bulk procurement?
A: We provide complete technical datasheets, 3D mechanical drawings, BMS protocol integration manuals, UN 38.3 test summaries, and relevant compliance certificates.
