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Typically it’s total output power. At least that’s what was done for many years. I can’t say for sure. But I’m almost certain it’s total. Doesn’t say on package. You can test this buy plugging 2 different items and see if the are charging as fast as you remember with one port. Good luck. Hope this helps.
Sorry, there was a problem. Please try again later.Hello there, This charges phones, tablets and more using the two USB ports (2.1 A total). Best Buy Essentials Support Louise https://www.bestbuy.com/contact-us
Sorry, there was a problem. Please try again later.It is a shared 2.4
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