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TWS Earbuds: Powered by Advanced Micro Battery Technology

True Wireless Stereo (TWS) technology delivers audio via Bluetooth without the need for wires or cables, differing from other wireless devices that still require physical connections to synchronize multiple components. To support this advanced functionality, TWS earbuds require high-performance micro battery solutions like button cells that meet the rigorous demands of compact device design.

TWS Earbuds Battery Features:

  • Self-developed Innovation Patents: 42 proprietary innovations enhance our battery technology.
  • High Energy Density: Achieves a specific energy density up to 470Wh/L, packing more power into smaller spaces.
  • Fast Charging Capability: 5C fast charging enables quicker recharge times, minimizing downtime.
  • Long Cycle Life: Offers more than 800 charge cycles, ensuring longevity and consistent performance.
  • Customization Options: Tailor-made batteries with customizable dimensions (diameters from 9mm to 16mm, heights from 2.5mm to 6.0mm) and shapes to fit specific product needs.
  • Wide Temperature Range: Operates efficiently across a broad temperature range from -50°C to 80°C.
  • High Current Discharge Support: Can handle 20C discharge rates, suitable for high-drain applications.
  • Enhanced Safety: Meets critical safety standards including UN38.3 and IEC62133.

Custom Size Button-Cell Battery Solutions:

Melasta offers customized button-cell battery solutions designed to perfectly match the structural requirements of TWS earbuds.

  • Type: Shaped button cell, supporting full customization.
  • Material: Lithium polymer for flexibility and enhanced capacity.
  • Voltage Options: Available in 3.7V, 3.8V, and 3.85V.
  • Capacity Range: From 45mAh to 75mAh, accommodating different power needs.
  • Dimensions: Specifically tailored, e.g., 10mm to 12mm diameter by 5.4mm height.
  • Internal Resistance (IR): Approximately 180mΩ to 200mΩ, ensuring efficient power delivery.
  • Maximum Charge and Discharge Rates: Adjustable to device specifications, with rapid charge capabilities up to 3C and continuous discharge rates up to 2C.
  • Operational Temperatures: Optimized for charging from 0℃ to 45℃ and discharging from -20℃ to 60℃, ensuring reliable performance under varied environmental conditions.

Melasta’s tailored micro battery solutions for TWS earbuds reflect our commitment to innovation, safety, and customer satisfaction, ensuring that users experience the best in wireless audio technology.

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