me and my husband both have the Galaxy Note 20 Ultra. I use mine just about all day long, my husband maybe 5 hours a day. my husband is using the new wall charger that came in the box. I am using a old charger and cord from Amazon. his phone charged from 30% to 100% in an hour. mine will go from 30% to 100% in 3 - 4 hours. my old phone Galaxy S 10 would charge 30% to 100% in about an hour or less. Im not sure what the issue is.
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