Amazon link
https://www.amazon.ca/MMOBIEL-replacement-Anti-Static-Adhesive-screwdriver/dp/B00NV5IH38/ref=sr_1_3?ie=UTF8&qid=1541825760&sr=8-3&keywords=iphone+5s+battery
Detailed Repair video
https://www.youtube.com/watch?v=yJBWl4_Pg1U
