Design, Build, Test, Iterate

Posts Tagged ‘battery’

Removing a bad cell from a lithium-polymer battery

One of the cells in my lithium polymer battery rapidly started losing capacity a few days ago. I ordered two new batteries, but I needed power in the meantime. It was trivial to open up the battery and remove the faulty cell, since the other three cells were fine. The battery is now effectively a […]

Tricopter chassis v0.2 complete

The new chassis is now complete!

Powered by Apple! (Running my kiwi drive robot off a MacBook Pro battery)

A few months ago, a friend had a MacBook Pro battery that started swelling up. He agreed to let me have it, and now it has wheels:

MacBook Battery Swelling?

Last Tuesday, I took apart my 2nd-gen BlackBook to fix my squishy right palmrest (top was not flush against bottom case) when I was surprised by the heat and size of my battery. I don’t have a picture, but it looks like the one in this MacRumors thread. The battery is thickest at the center. […]