Amazon.com : Replacement for Pentax Optio W60 Battery and Charger - Compatible with Pentax D-LI78 Digital Camera Batteries and Chargers (750mAh 3.7V Lithium-Ion) : Electronics
Battery Charger For Pentax D-li78, Dli78 And Pentax Optio S1, V20, L50, M50, M60, W60, W80 Digital Camera - Chargers - AliExpress
Amazon.com: Synergy Digital Camera Battery, Works with Pentax Optio W60 Digital Camera, (Li-Ion, 3.7V, 800 mAh) Ultra Hi-Capacity Battery : Electronics
Travl Home Battery Charger For D-LI78 PENTAX Optio M50 Optio W60 Optio V20_SX | eBay