Replacement Rechargeable Battery for Apple iPod Nano 4th 4 Gen Generation| battery for ipod nano|battery for ipodreplace ipod nano battery - AliExpress
Ipod Nano Battery Life | IPOD NANO BATTERY LIFE
A1285 battery for iPod nano 4 for iPod Nano 4th Generation 616-0405 616-0407 3.7V 400mAh