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Thread: One very annoying charger down: USB for Oral-B
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Old Mar 11, 2018 | 8:34 pm
  #37  
chx1975
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Originally Posted by QuiGonJohn
tentseller, thanks. But I suppose if they will charge a shaver, there ought to be enough current to charge a laptop, cellphone battery or other low current drawing object. Just not something like a hair dryer which has a large power draw due to the fan and the heating element.
You suppose wrong. A cellphone yes but a laptop not. These are typically 25W, 35W tops, a 45-65W laptop charger (on the DC side so the AC side will be even higher) will overdraw them.
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