Gomadic High Capacity Rechargeable External Battery Pack suitable for the Sandisk Sansa Clip Zip - Portable Charger with TipExchange Technology - Walmart.com
Battery 3.7V 0.3Ah LiPo PR-303038PL for SanDisk Sansa Clip Plus
Sansa Clip Repair - iFixit
Original New Sandisk Sansa Fuze 2gb/4gb/8gb Replacement Battery Pack 374237P | eBay