This is the definitive coin battery for wearable devices. It features innovative integration methods for the raw battery, resulting in minimal shape change even after long-term use.
This is a coin-shaped lithium-ion battery made in Germany. 【Features】 ■ High voltage of 3.7V ■ Unique spiral structure ■ High safety ■ Long lifespan (long cycle life) ■ Large discharge current ■ More robust compared to rectangular (pouch) lithium polymer batteries ■ Protection circuit shipped separately from the battery ⇒ Recommended circuit will be provided. *For more details, please download the PDF or contact us.
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【Product Specifications (Partial Excerpt)】 ■Nominal Voltage: 3.7V (average) ■Capacity Typ: 16 to 122mAh ■Dimensions: 7.8 to 16.1mm ■Height: 4.0 to 5.4mm ■Charging Method: CC/CV *For more details, please download the PDF or contact us.
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Wearable devices
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We design and manufacture low-noise, high-efficiency switching power supplies tailored to our customers' needs. With a focus on the performance of the equipment you manufacture, we practice the design, development, manufacturing, and quality assurance of high-performance power supplies that can be used safely and with peace of mind. If you are having trouble with the development of custom power supplies, custom chargers, or custom secondary batteries (lithium-ion, nickel-hydrogen), please feel free to contact us. We also accept quote requests through our website. Website: https://www.futaba-elec.co.jp/