Replacement Battery for Apple iPod Nano 3rd Gen, 3.7V/370mAh Li-Polymer Rechargeable Battery with Opening Pry Tool Kits, Compatible with Model No.616-0337(Nano 3rd Gen): MP3 Player Accessories: Amazon.com.au
616-0337,616-0311 Battery for Apple iPod nano 2 Gen. - A1199 / iPod nano 3 Gen. - A1236
616-0232,696-0106 Battery for Apple iPod 5 A1136 (Video), iPod 5.5 A1136 (Video - MA448LL/A), iPod Classic 6. Gen. 160Gb - A1238
Replacement Battery for iPod Nano 3 3rd gen Generation 4GB 8GB Model A1236, with Easy Tools : Electronics - Amazon.com
Replacement NEW battery for ipod Nano 3 3rd gen 3G Generation A1236 4GB 8GB | eBay