Apple iPod Generation 1 & 2 Replacement Li-Ion Battery. Part No. RBM01, UP325385A4H.Suitable for Apple iPod Generation 1 & 2 models.Rechargeable Li-Ion Polymer 2200mAH 3.7Volt battery.1 year manufacturers warranty.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.