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CTECHI is an expert in battery solutions, specializing in ODM, OEM, and SKD for energy storage, motive power, and consumer batteries.

CTECHi rechargeable coin cell wholesale for watch1 1
CTECHi rechargeable coin cell wholesale for watch1 1

CTECHi rechargeable coin cell wholesale for watch1

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Product Details
The ML621 is a ML series lithium ion button battery with a diameter of 6 mm, a thickness of 2.1 mm and a capacity of 5 mAh. Compared with silver oxide batteries and zinc-air batteries, the ML621 has a higher voltage (3V) and can be recharged after the battery is used. It is a compact and lightweight high-performance button battery.
  • CTECHi rechargeable coin cell wholesale for watch1 2
    ML621 rechargeable button battery solder piece details
  • CTECHi rechargeable coin cell wholesale for watch1 3
    ML621 rechargeable button battery charge property
  • CTECHi rechargeable coin cell wholesale for watch1 4
    ML621 rechargeable button battery discharge characteristics
  • CTECHi rechargeable coin cell wholesale for watch1 5
    ML621 rechargeable button battery high rate discharge characteristics
  • CTECHi rechargeable coin cell wholesale for watch1 6
    ML621 rechargeable button battery relationship between discharge current and duration time
  • CTECHi rechargeable coin cell wholesale for watch1 7
    ML621 rechargeable button battery temperature characteristics
Application Scope
The ML621 is a compact and lightweight lithium-ion button battery with high voltage, good stability and long service life, and it can be used at a lower cost because it can be charged. Can be used in some small electronic products, such as car keys, calculators, watches, electronic scales and computer motherboards.
  • CTECHi rechargeable coin cell wholesale for watch1 8
    ML621 lithium button battery can be used in Calculator
  • CTECHi rechargeable coin cell wholesale for watch1 9
    ML621 lithium button battery can be used in car key
  • CTECHi rechargeable coin cell wholesale for watch1 10
    ML621 lithium button battery can be used in watch


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we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
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