inputs.text: not perfect worth every penny - read lot negative reviews itehem dont listen thehem also search amazon itehem may find cheaper paid 10 itehem1 installation yes product not come instructions need search \\changing ipod battery\\ youtube find dozens videos explaining installation process similar itehems installation difficult dont blame productmanufacturer supposed difficult way apple made product rehemehember battery never meant replaced got half brain get thing installed without problehems2 sizefit read reviews people said battery large ipod installed itehem 30gb ipod video fit perfectly keep mind ipod video slightly thicker ipods3 battery life around 56 hours continuous playback not bad considering could not use ipod without power cable attached prior installing new battery original battery rated around 8 hours think need use ipod 56 hours time might well get new ipod otherwise sufficient peoplefinal thoughtsthis battery breathed new life ipod ready throw away although doesnt last quite long original battery came ipod certainly worth money paid get 56 hours continuous playback actually impressive considering cheap purchased im pleased purchase performance considering option throw away ipod