Original Battery 4000mah 15.2wh 3.8v For Lenovo Yoga Tablet Yoga Tab3 Pro Yt3-x90l L15d1p31 Batteries+tool - Mobile Phone Batteries - AliExpress
I was struggling with battery life on my ThinkPad T460s, and recently discovered this tool. AMAZING! It for sure did improve battery life alot! : r/thinkpad