tom's Hardware on MSN4mon
iPhone 16 battery needs a good zapping to debond the adhesive — the process takes a minute and a half when using a 9V battery
Using battery clips attached to the 9V battery, the positive clamp is secured on the silver tab on the iPhone 16's battery, ...
Hackaday10y
A Dead Simple, Well Constructed FM Transmitter
The power supply for the transmitter is a single 9V battery, the battery connector being salvaged from a dead 9V. Awesome work, and for someone so young, [Angelo] already seems to have a grasp of ...
GitHub3y
9V battery caddy for use with Lego® Powered Up!® Hub 88009
A 3D-printable 9V battery caddy compatible with Lego® Powered Up ... They're convenient to recharge using a micro-USB cable. They (should) integrate all the annoying control circiutry for charge ...