PortaCell Replaceable 3.7V 850mAh Battery for Apple iPod Classic 160GB 616-0232 PortaCell Replacement Battery Kit for Apple iPod Classic 6th Gen. 160G (model no. 616-0232) with 2 Opening Tools & Instructions to Change your iPod Battery. Li-Polymer battery (3.7V, 850mAh) Designed for iPod Classic 6th 160GB 616-0232 (Thick), NOT fit for 616-0392 , EC008-3 (capacity 580mAh for anohter item PN401304) One Year Replacement warranty