6th gen Classic 120GB. 7th gen Classic 160GB(thin). ipod 6th gen Classic 80GB. for iPod Classic 6/7th 80GB/120GB/160GB. iPod Video 30GB. ipod 5th video 30GB. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
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