Here is how to get you can get your $29 iPhone battery replacement from Apple

From now through the end of the year, you can replace the weak, old battery that powers your Apple iPhone 6 or later model for only $29 from Apple. That is a 63% or $50 savings off the usual price of $79. If you don't change the cell that powers your iPhone, the CPU on the handset will be throttled to prevent the weak battery from shutting down the entire device. If you want to take Apple up on this offer, here is what you need to do.

The quickest way to replace the battery on your iPhone is to have the procedure done at your nearest Apple Store. Go to getsupport.apple.com and you can schedule ...