Unknown Manufacturer 0957EFW Lithium Ion Battery (Huawei Watch Buds) Battery Essentials
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Huawei Watch Buds is a smartwatch combined with earbuds, which are housed under the screen. Each earbud has a 30 mAh battery that can run for up to 4 hours of audio playback (or 2.5 hours of phone call). The design of the earbuds suggests the use of a battery with a high energy density for a small size battery. This report describes structural, morphological, and basic electrochemical characteristics of the earbuds battery.
