![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
![My brother bought a 20000mAh powerbank it couldn't fully charge his phone so my mom opened the powerbank and they found this... Only 3 batteries are connected to the powerbank and the My brother bought a 20000mAh powerbank it couldn't fully charge his phone so my mom opened the powerbank and they found this... Only 3 batteries are connected to the powerbank and the](https://i.redd.it/mmgw0v5t5aa41.jpg)
My brother bought a 20000mAh powerbank it couldn't fully charge his phone so my mom opened the powerbank and they found this... Only 3 batteries are connected to the powerbank and the
![Could someone confirm that this would be a good power bank for the Steam Deck please? I would love to have the option to charge and play at the same time and Could someone confirm that this would be a good power bank for the Steam Deck please? I would love to have the option to charge and play at the same time and](https://i.redd.it/could-someone-confirm-that-this-would-be-a-good-power-bank-v0-04lid1f4vwf91.jpg?width=1080&format=pjpg&auto=webp&s=01bc647f4b822a17bb5ba85bb0f7cc2a2d262c7f)