6. Final Touches: Attach the 9V battery to the circuit, and your DIY USB charger is ready to use. You can now charge your USB devices on the go by simply connecting them to your new charger.

9v battery connector and 9v battery. flat female usb connector that mates with your device’s usb cable. this is the hardest part to find. i tore mine off an old usb extension cable. wire it up ...

POWXS Rechargeable C D AA AAA 9V Batteries Charger, Smart LCD Fast Charger for 1.2V Ni-MH Ni-CD Batteries, with Micro USB/Type C Inport and Discharge Function 701 ratings View Product Buy it on Amazon ...

But those perks aren’t just dependent on the charger, they’re dependent on the device’s specific implementation of USB-PD. For now, Belkin’s $45 charger won’t buy you the future, just ...