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          TWS Earbuds

          True Wireless Stereo (TWS) uses Bluetooth signals instead of wires or cables to transfer sound. TWS differs from wireless accessories that do not physically connect to a media source but still rely on physical connections to ensure that multiple parts of a device can function together. It needs the micro battery solution for their products, such as the button cell battery.

          TWS Earbuds Battery Features

          ?Self-developed Innovation Patents

          42 items

          ?High Energy Density

          High specific energy density up to 470Wh/L

          ?Fast Charging Capability

          5C fast charging with shorter charging time

          ?Long Cycle Life

          Up to 800+ cycles

          ?Personalization Custom

          Customized for diameter (9~16mm), height (2.5~6.0mm) and shapes

          ?Wide Temperature Range

          -50°C to 50°C or -20°C to 80°C

          ?Supports High Current Discharge

          20C discharge rate

          ?High Safety

          UN38.3, IEC62133 and other certifications

          Resource Download

          Grepow Button Cell Leaflet ?

          • Button Cell Battery

          • GRP1254 button battery

          • GRP1054 button battery

          • Custom Size Button-Cell battery Solution

            Grepow Custom Size Button-Cell battery Solution

            Grepow provides the custom button battery solution, 100% match your product structural design, tailor-made the Diameter (≥mm), Height (≥2.4mm), or shape.

            Type: Shaped button cell (support customization)

            -Material: Lithium polymer

            -Voltage: 3.7V, 3.8V, 3.85V

            -Capacity: 45mAh to 65mAh

            -Size: 10~12mm(diameter)* 5.4mm(height)

            -Internal resistance (IR): approx. 200mΩ

            -Maximum charge current: 135~195mA(3C)

            -Max. continuous discharge current: 90~130mA(2C)

            -Operating temperature: Charge 0℃~45℃, Discharge -20℃~60℃

          • Type: Rechargeable Lithium-ion, LiPo battery

            -Voltage: 3.7V, 3.8V, 3.85V

            -Capacity: 70mAh to 75mAh

            -Dimensions: 12mm (Diameter) * 5.4mm (Height)

            -Internal Resistance (IR): 180mΩ

            -Max. Charge Current: 68~225mA

            -Max. Continuous Discharge Current: 140~150mA

            -Operating Temp: Charge 0℃~45℃ Discharge -20℃~60℃

            GRP1254 Size Show Grepow Rechargeable button-cell battery(coin-cell battery)

          • Type: Rechargeable Lithium-ion, LiPo battery

            -Voltage: 3.7V

            -Capacity: 46mAh

            -Dimensions: 10mm (Diameter) * 5.4mm (Height)

            -Internal Resistance (IR): 260mΩ

            -Max. Charge Current: 138mA

            -Max. Continuous Discharge Current: 92mA

            -Operating Temp: Charge 0℃~45℃ Discharge -20℃~60℃

            GRP1054 Size Show Grepow Rechargeable button-cell battery (coin-cell battery)