PENTAX Optio M50 - A compact digital camera with an easily usable compact / lightweight body, enabling for photography to be enjoyed readily | RICOH IMAGING
D-LI78 Charger for Pentax Batteries
Pentax D-Li78 Battery Pack for Optio M50 and W60 Cameras - Burlington Camera
USB Battery Charger For Pentax Optio M50 M60 W60 W80 S1 V20 L50 D-Li78 D-BC78 | eBay
Pentax Optio M50: Digital Photography Review
3.7V Battery for Pentax Optio M50 Optio S1 Optio V20 D-Li78 680mAh NEW | eBay
3.7V Battery for Pentax Optio M50 Optio S1 Optio V20 D-Li78 680mAh NEW | eBay