PowerCore Speed 20000 [Upgraded] or PowerCore+ 26800

Query about PowerCore Speed 20000 [Upgraded] and PowerCore+ 26800 as

  1. I am not able to determine the exact specification for the product (PowerCore+ 26800).

  2. I want to know what is the Input-output amp and volt of each usb port of PowerCore+ 26800 and does this power bank have a voltage boost? Does this have quick charging 3.0 input enabled?

  3. I also want to know the major differences in both of them as they have 20000mah and 26800 mah power?

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