![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
![Tired of getting bad quality power banks? Buy a diy kit. 8 x 18650 cells. QC3 and USB-C PD compatible. All for 5$ (not counting cells, obviously) : r/18650masterrace Tired of getting bad quality power banks? Buy a diy kit. 8 x 18650 cells. QC3 and USB-C PD compatible. All for 5$ (not counting cells, obviously) : r/18650masterrace](https://i.redd.it/05vmiqc85gb41.jpg)
Tired of getting bad quality power banks? Buy a diy kit. 8 x 18650 cells. QC3 and USB-C PD compatible. All for 5$ (not counting cells, obviously) : r/18650masterrace
![Amazon power bank selection is overwhelming—who recently got one they liked? Spring for integrated cords, plug? : r/Ultralight Amazon power bank selection is overwhelming—who recently got one they liked? Spring for integrated cords, plug? : r/Ultralight](https://i.redd.it/6oqo2i98uvy01.jpg)
Amazon power bank selection is overwhelming—who recently got one they liked? Spring for integrated cords, plug? : r/Ultralight
![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)