BATFT8525R1 Rechargeable Li-ion Button Cell

 Product Details

BATFT Button Cell Charge/Discharge/Cycle Curve

The BATFT8525R1 3.7V Rechargeable Li-ion Button Cell is a proprietary energy solution developed by Batteryswift. Engineered for superior performance, these cells feature low internal resistance, exceptional rate capabilities, and a stable, elevated discharge voltage plateau. Combined with an extended cycle life and flexible customization options, this series is backed by multiple core technological patents and is widely adopted across diverse industrial sectors.

Application Spectrum

Batteryswift button cells are optimized for integration into wearable electronics, medical devices, IoT sensors, smart home systems, automotive modules, TWS earbuds, and hearing aids. We offer comprehensive customization for diameter, thickness, geometry, capacity, and voltage to meet specific client requirements. By maximizing the internal volumetric efficiency of host devices, our cells deliver higher energy density and extended runtimes. Our R&D team collaborates closely with OEMs to engineer optimized power solutions tailored to specific product architectures.

Technical Specifications and Features

• Proprietary Innovation: Backed by 42 self-developed patents.

• High Volumetric Energy Density: Reaches up to 556Wh/L.

• Rapid Charging Capability: Supports up to 5C fast-charging protocols.

• Extended Longevity: Rated for over 1,000 cycles.

• Advanced Customization: Guaranteed 100% mechanical compatibility with product structural designs; customizable diameter (≥7.8mm), height (≥1.5mm), and specialized shapes.

• Thermal Resilience: Operational stability within temperature ranges of -50°C to 50°C or -20°C to 80°C.

• High-Rate Discharge: Capable of sustaining a 10C discharge rate.

• Regulatory Compliance: Certified under UL1642, IEC62133, FDA, ISO13485, and UN38.3 (dependent on specific model).