D-L18 Battery + Charger + BONUS for Pentax Optio T20 W10 W20 WO Wpi X S 602589179698 | eBay
Amazon.com : Battery 2 Pack and USB Travel Charger for Pentax Optio T10, T20, W10, W20 Digital Camera : Electronics
Pentax Optio W10 digital camera
Operating Manual
Pentax Optio W10 Review | Trusted Reviews
Amazon.com : 2 Pack - Replacement for Pentax Optio W10 Battery + Charger - Compatible with Pentax D-LI8 Digital Camera Battery and Charger (750mAh 3.7V Lithium-Ion) : Electronics
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Pentax Optio W10 Battery and Charger - Replacement for Pentax D-LI8 Digital Camera Batteries and Chargers (750mAh, 3.7V, Lithium-Ion) - Walmart.com
Battery Charger for Pentax D Li8, DLi8, D Li85 and Optio S6, S7, SV, SVi, T10, T20, W10, W20, WP, WP, WPi, X Digital Camera|Camera Charger| - AliExpress