EEVblog 1648 – USB Battery Bank mAh Capacity ratings are a LIE!

USB Battery bank charger capacity explained. When you are comparing battery banks you want to use a measured Output Referred capacity figure, not an Input Referred mAh or Wh figure the manufacturers marketing department gives you.

Forum: https://www.eevblog.com/forum/blog/eevblog-1648-input-vs-output-referred-battery-capacity-explained/

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