Amazon.com: High Capacity Digital Camera Replacement Lithium-Ion Battery Compatible with Olympus LI-60B, Nikon EN-EL11, Pentax D-LI78 : Electronics
Pentax Optio S1 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.com
Pentax K-BC78U Battery Charger Kit 39746 B&H Photo Video
Durapro 1pc En-el11 En El11 D-li78 D Li78 Np-by1 Np By1 3.7v Li-ion Battery For Nikon Coolpix S550 S560 Pentax M50 W60 W80 V20 - Digital Batteries - AliExpress
2x Pack - Pentax Optio W80 Battery + Charger - Replacement for Pentax D-LI78 Digital Camera Battery and Charger (750mAh, 3.7V, Lithium-Ion) - Walmart.com
D L178 DL178 D Li78 DLi78 Battery Pack & USB Charger (2 In 1) for Pentax Optio S1 M50 M60 V20 W60 L50 W80 Digital Cameras ...|pentax battery charger|pentax camera chargerpentax optio