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.
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ML621 lithium button battery can be used in Calculator
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ML621 lithium button battery can be used in car key
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ML621 lithium button battery can be used in watch