New Apple iPod Classic 6th & 7th Generation Purple Metal / Red / Purple Metal (Sangria Red) Capacity & Battery:128GB the 2800mah rectangle batteries are

the 2800mah rectangle batteries are ONLY compatible with iFlash Quad & iFlash uDUAL

Matching button is Light Grey Plastic

5 is the most recent version supported on iPod Touch 5th

Matching button is Pink Crystal

as many of your questions are likely answered there

New Apple iPod Classic 6th & 7th Generation Purple Metal / Red / Purple Metal (Sangria Red) Capacity & Battery:128GB the 2800mah rectangle batteries are128GB 256GB 512GB 1TB iPods are upgraded with SD card storage using Tarkans iFlash Solo, Dual & Quad adapters. Please note: 120GB & 128GB iPods are a mix of 6th & 7th Generation logic boards. If you prefer one over the other, please include it in your note. All iPods come with a new USB charge sync cable! Limited Warranty Information & FAQ Access Here