How to Replace Your Lenovo Tab 4 8 TB-8504F Battery 

Complete Battery Replacement Kit from NewPower99.com is available at newpower99.com.... This video provides a step by step demonstration of the procedure for replacing the battery in your Lenovo Tab 4 8 TB-8504F Tablet. The Installation kit contains a new high capacity battery, battery installation video, and necessary tools for battery replacement. Includes one year money back guarantee!