BATFT2452FL 3.8V Rechargeable Li-ion Button Cell (Coin Cell)

Technical Datasheet: BATFT2452FL

• Model No.: BATFT2452FL

  Nominal Voltage: 3.8V

  Nominal Capacity: 285mAh

  Size(mm): 24(Dia)*5.2 (Thickness)

  Weight: 7.1±0.5g

• Full Charged Voltage: 4.35V

  Nominal Charge Current: 142.5mA/0.5C

  Fast Charge Current: 285mA/1C

  Charging Temperature: 0 to +45℃

• Discharge Cut-off Voltage: 3.0V

  Nominal Discharge Current: 142.5mA/0.5C

  Fast Discharge Current: 285mA/1C

  Discharge Temperature: -50 to +60℃

• Chemistry: LiCoO2

  Cycle Life 0.5C/0.5C: ＞1000

  Internal Impedance: ≤ 120 mΩ

  Storage Temperature: -20 to +40℃

  Safety: UN 38.3, IEC 62133

The BATFT2452FL series represents a breakthrough in micro-power technology. Developed specifically for sub-zero climates, this ultra-low temperature button cell provides consistent discharge performance from -50°C to 60°C, making it indispensable for polar research, high-altitude GPS tracking, and aerospace instrumentation.

The Advantage of Stacking Technology

Unlike standard winding-process coin cells, Batteryswift’s BATFT2452FL utilizes a premium stacking manufacturing process. This results in:
– Lower Internal Resistance for improved power delivery.
– Higher Discharge Platform Voltage for stable device operation.
– Enhanced Volumetric Efficiency, allowing for thinner and custom-shaped cells.

Core Features & Performance Benchmarks

– 556Wh/L High Energy Density: Maximum power in a compact footprint.
– 5C Fast Charging: Reaches ≥80% SoC in as little as 12 minutes.
– 1,000+ Cycle Life: Engineered for long-term industrial and medical use.
– 10C High-Rate Discharge: Capable of sustaining high-current pulses for IoT and smart devices.
– Wide Operational Range: Specialized versions available for -50°C to 50°C or -20°C to 80°C requirements.

Bespoke Customization & Dimensions

Batteryswift offers 100% customization to match your product’s unique internal structure. We can engineer bespoke button batteries with:
– Custom Diameters (Starting from ≥7.8mm)
– Custom Heights (Starting from ≥1.5mm)
– Specialized Shapes and Voltages

Industrial Application Scenarios

Our high-performance button cells are trusted by global OEMs in the following sectors:
– Wearable & Medical Devices: Ideal for hearing aids and health monitors (ISO13485 certified).
– IoT & Smart Home: Reliable power for compact sensors and smart locks.
– TWS & Audio: Optimized for high-end TWS earbuds and communication headsets.
– Automotive & Aerospace: Ruggedized power for extreme temperature sensors.

With 42 proprietary patents and a suite of international certifications (UL, IEC, FDA, UN38.3), Batteryswift is your partner for innovative micro-power solutions. Contact our R&D team today for a tailored power integration strategy.

[CONTENT BLOCK: MEDICAL GRADE COMPLIANCE & SAFETY]

Medical-Grade Precision: Certified Power for Life-Critical Applications

In the medical device industry, the reliability of a power source is not just a performance metric—it is a matter of patient safety. Batteryswift’s BATFT series rechargeable button cells are engineered and manufactured under the most stringent quality controls to meet the rigorous demands of the healthcare sector.

1. ISO 13485 & FDA Compliance

Our manufacturing facilities and processes adhere to the ISO 13485 Quality Management System, ensuring that every button cell produced meets the international regulatory standards for medical devices. With FDA-compliant material sourcing, our batteries are suitable for integration into class-leading medical electronics.

2. Enhanced Safety for Wearables and Implants

Medical wearables, such as hearing aids, smart insulin patches, and continuous glucose monitors (CGM), require stable chemical structures. Our stacking technology ensures:
– Zero Leakage Guarantee: Advanced sealing technology prevents electrolyte leakage, protecting both the device and the user.
– Biocompatibility Readiness: Materials are selected to minimize interference with medical-grade housings.
– Stable Voltage Platform: Ensures accurate sensor readings by providing a consistent discharge voltage throughout the battery cycle.

3. Rigorous Testing & Traceability

Every medical-grade button cell undergoes a 100% inspection process, including:
– High-precision capacity grading.
– Internal resistance (IR) matching for multi-cell systems.
– Comprehensive traceability from raw material batches to the finished product.

4. Specialized Applications

– Hearing Aids & Cochlear Implants: High energy density in the smallest footprint (≥7.8mm diameter).
– Remote Patient Monitoring (RPM): Long-cycle life (1000+) ensures devices stay in service longer with fewer replacements.
– Surgical Tools: High-rate discharge (10C) capability for micro-powered surgical instruments.

By combining ISO 13485 certification with our innovative stacking technology, Batteryswift provides medical OEM/ODM partners with the ultimate balance of miniaturization, safety, and long-term reliability.