DOT-01 Brand 1200 mAh Replacement Pentax D-Li63 Battery and Dual Slot USB Charger for Pentax Optio L40 Digital Camera and Pentax DLI63 Accessory Bundle - Walmart.com
Original Battery Pentax Optio L36 L40 LS465 LS1000 M30 M40 M90 M900 New | eBay
Synergy Digital Camera Battery, Works with Pentax Optio L40 Digital Camera, (Li-Ion, 3.7V, 850 mAh) Ultra Hi-Capacity, Compatible with Pentax DL-i63 Battery - Walmart.com
Kastar Battery (3-Pack) and Charger Kit for Pentax Optio D-LI108, D-LI63 work with Pentax Optio L36, L40, LS465, LS1000, M30, M40, M90, M900, RS1000, RS1500, T30, V10, W30 Digital Cameras - Pentax -