Amazon.com: Synergy Digital Camera Battery, Works with Pentax Optio W60 Digital Camera, (Li-Ion, 3.7V, 800 mAh) Ultra Hi-Capacity Battery : Electronics
Pentax Optio W60 Battery and Charger with Car Plug and EU Adapter - Replacement for Pentax D-LI78 Digital Camera Batteries and Chargers (750mAh, 3.7V, Lithium-Ion) | Walmart Canada
PENTAX Optio W60 -A compact digital camera with enhanced waterproofing capable of operating underwater continuously for two hours at depths of four meters | RICOH IMAGING