Apple offers $50 credit if you paid for a new iPhone battery last year
 

After admitting that it was sometimes slowing processor speeds on older iPhones, Apple discounted its out-of-warranty battery replacement from $50 to $30 starting at the tail end of last year. But for anyone who bought one at any point in 2017 for iP...

https://www.engadget.com/2018/05/23/...-battery-2017/