![Why does my power bank show two different capacities? First it says 4000mah but then it says the capacity is 2300 mah : r/batteries Why does my power bank show two different capacities? First it says 4000mah but then it says the capacity is 2300 mah : r/batteries](https://i.redd.it/2m7gxoccvvi91.jpg)
Why does my power bank show two different capacities? First it says 4000mah but then it says the capacity is 2300 mah : r/batteries
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Amazon.com: 10000mAh Portable Charger, Ultra Slim Power Bank,4 Output External Battery Pack with Built-in AC Wall Plug Micro and USB C Three Cables Compatible with All mobilephone : Cell Phones & Accessories
Mangata Orbit [Cordless Power Bank Charging Dock] for Home & Office | 2-Pack 5000 mAh Fast Charge Battery, UL-2056 Certified | Apple, Samsung, iWatch⭐[K2027]⭐, Mobile Phones & Gadgets, Mobile & Gadget Accessories,
![Battery Power Online | Challenges for Manufacturers and Retailers in Certifications and Regulations for Power Banks Battery Power Online | Challenges for Manufacturers and Retailers in Certifications and Regulations for Power Banks](http://www.batterypoweronline.com/wp-content/uploads/2018/02/Intertek.jpg)
Battery Power Online | Challenges for Manufacturers and Retailers in Certifications and Regulations for Power Banks
![Mangata Orbit [Caricatore portatile Power-Bank 10000 mAh] Stazione di ricarica wireless | Batteria da 2 da 5000 mAh per rapida per iPhone, Android : Amazon.it: Elettronica Mangata Orbit [Caricatore portatile Power-Bank 10000 mAh] Stazione di ricarica wireless | Batteria da 2 da 5000 mAh per rapida per iPhone, Android : Amazon.it: Elettronica](https://m.media-amazon.com/images/I/71ILL28t2-L.jpg)