Amazon.com: Bobj Rugged Case for Lenovo Tab 4 8 inch only TB-8504F or TB-8504X (NOT for TB-8304F or Plus Model TB-8704) - BobjGear Custom Fit - Patented Venting - BobjBounces Kid Friendly (
Amazon.com: New Replacement Battery L16D1P34 Compatible with Lenovo Tab 4 TB-8504F TB-8504X with Tools : Cell Phones & Accessories