New Apple iPod Video Classic 5th & 5.5 Enhanced Grey / Grey / Grey (Rainbow) Capacity & Battery:128GB (2000mah) the 3800mah thin batteries are

the 3800mah thin batteries are ONLY compatible with iFlash Quad & iFlash uDUAL

Matching button is yellow plastic

I was able to get the uDUAL to fit/close with a thin backplate and the following batteries:

inserts or additional equipment included

New Apple iPod Video Classic 5th & 5.5 Enhanced Grey / Grey / Grey (Rainbow) Capacity & Battery:128GB (2000mah) the 3800mah thin batteries are128GB (32MB) 256GB (64MB) 512GB (64MB) 1TB (64MB) 2TB (64MB) iPods are upgraded with SD card storage using Tarkans iFlash Solo, Dual & Quad adapters. All iPods come with a new USB charge sync cable! Limited Warranty Information & FAQ Access Here