Here you can see he’s using a solder gun to make the connection between the new battery and one of the solder tabs. He uses the gun instead of an iron because he needs to heat the joint quickly ...

An old Motorola mobile phone battery ended up fitting the purpose nicely. Cracking open the e-book reader, de-soldering the old battery and — after deciphering which pins were which ...

The FixHub is a portable, battery or USB-C-powered solder station. It has a whole bunch of neat safety and convenience features. It’s meant both for pros and for people who might be scared to ...