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220 cr2050 button cell battery products are offered for sale by suppliers on Alibaba.com, of which primary batteries accounts for 93%. A wide variety of cr2050 button cell battery options are available to you, such as toy, consumer electronics and home appliance.You can also choose from zn/mno2, limno2 and silver oxide cr2050 button cell battery,As well as from cylindrical, rectangular cr2050 button cell battery, and whether cr2050 button cell battery is cr1620, cr1220, or cr2477.