Pentax Optio 555 Digital Camera Memory Cards & Accessory Upgrades - Free Delivery - MemoryCow
Pentax Optio - Wikipedia
Amazon.com: Synergy Digital Camera Battery, Works with Pentax Optio 555 Digital Camera, (li-ion, 3.7V, 1800 mAh) Ultra Hi-Capacity, Compatible with Fuji NP-120 Battery : Electronics
Amazon.com: Kastar AC Wall Battery Charger Replacement for Pentax Optio 450, Optio 550, Optio 555, Optio 750, Optio 750Z, Optio MX, Optio MX4 Digital Cameras : Everything Else