6.4V LiFePO4 Lithium Battery Manufacturer
Custom 6.4V LiFePO4 battery packs typically adopt a 2S configuration, making them a stable low-voltage DC power solution. They are widely used in compact devices and modular systems requiring high safety, stable output, and strict size control.
LARGE specializes in enterprise-level lithium battery customization. From cell matching to BMS design and system integration, we provide fully optimized 6.4V LiFePO4 battery solutions for different application scenarios, supporting multiple structures and functional extensions.
Our Advantages
- Full-system customization (voltage, capacity, structure & BMS integration)
- 109-point testing system ensuring consistency and long-term reliability
- Over 68 million battery systems delivered worldwide
Technical Specifications
| Nominal Voltage | 6.4V |
| Capacity Range | 2Ah – 150Ah |
| Charge Voltage | 7.3V |
| Discharge Cut-off | 5.0V – 5.6V |
| Series Configuration | 2S (LiFePO4) |
| Discharge Rate | 0.5C – 3C |
| Cycle Life | ≥2000 cycles (@80% DOD) |
| Operating Temperature | -20°C ~ 60°C (standard) -40°C ~ 55°C (low-temp optional) |
Note: Reliable power for portable and low-voltage devices / stable discharge performance
Customizable for structure, capacity and BMS requirements.
6.4V LiFePO4 Lithium Battery Pack
The following are reference cases. Solutions can be flexibly customized according to specific application scenarios.
Application Fields of 6.4V LiFePO4 Lithium Batteries
Portable Medical Devices
Patient monitors, infusion pumps, portable ultrasound, CPAP devices
Stable power output, long runtime, compliant with ISO 13485 standards
Handheld Instruments
Water quality analyzers, gas detectors, thermal imagers, surveying instruments
High-precision power output with low interference for data acquisition systems
Security & IoT Sensors
Outdoor detectors, remote sensing terminals, vibration alarms, NB-IoT devices
Wide temperature range, ultra-low self-discharge, long-term maintenance-free operation
Industrial Handheld Devices
Inspection PDAs, barcode scanners, explosion-proof walkie-talkies
Impact-resistant design with fast charging and high reliability
Power & Utilities
Smart grid sensors, railway monitoring systems, smart meters
Wide-temperature operation with strong EMI resistance for unattended outdoor deployment
Small Special Equipment
Micro pumps/valves, UAV avionics, robotic auxiliary modules
Lightweight design with customizable high-rate discharge and structural integration
Looking for a Battery Solution for Your Device?
We provide fully customized battery engineering support based on your application requirements.
6.4V LiFePO4 Battery Usage & Maintenance Guidelines
Charging Guidelines
Use dedicated LiFePO4 charger (7.3V CC/CV)
Recommended charging current: 0.2C–0.5C (fast charge ≤1C)
Charging temperature: 0°C–45°C
No long-term float charging required (BMS cut-off protection included)
Storage & Maintenance
Recommended storage SOC: 50%–60% (approx. 6.5V–6.6V)
Storage environment: -10°C to 35°C, dry and shaded
Perform maintenance cycle every 3–6 months
Avoid deep discharge or 0V storage
Safety Precautions
Do not short circuit or reverse polarity
Do not disassemble, crush, or puncture
Keep away from fire and water
Do not operate outside specified temperature range
Related Lithium Battery Voltages
6.4V LiFePO4 Lithium Battery FAQs
What parameters are required for customization?
Operating voltage range, current (continuous/peak), capacity, dimensions, temperature range, communication protocol, and expected volume.
What is the MOQ and sample lead time?
Cylindrical packs: typically MOQ 500 units
Pouch cells: 3,000–5,000 units depending on capacity
Sample lead time: 15–20 days
New development: 25–45 days depending on complexity
Can communication protocols be integrated?
Yes. CAN, RS485, SMBus, I²C are all supported, with customizable data structures for SOC, temperature, and fault reporting.
Can it operate in low-temperature environments?
Standard design supports -20°C to 60°C. Low-temperature versions can operate down to -40°C with stable discharge performance.
How is consistency ensured for mass production?
Full-process traceability system, 100% inspection, and 109-point testing validation. Backed by global project experience and insurance coverage for large-scale deployments.
Get Your Custom Battery Solution
Looking for a stable and reliable power solution for your device?
We provide end-to-end LiFePO4 battery customization from design to mass production.
We provide end-to-end LiFePO4 battery customization from design to mass production.