New 800mAh thin Replacement Battery for Ipod Classic 3RD Generation Replaces the following battery part numbers: 616-0159 Replaces the following part numbers: A1040 For best results for li-on batteries, please FULLY CHARGE the item overnight, and then on its first use, FULLY discharge the item. (Use the item until it fully depletes its battery after its first charge) DISLCAIMER: The names Apple, iPad, iPhone, iPod, etc. are used for the sole purpose of describing the compatibilty of our items and identifying models they work with. These names are the copyrights of their respective owners. MCMConcepts does not intend to infer any connection / ownership / affiliation between MCMConcepts and any other company.