PENTAX Optio M50 - A compact digital camera with an easily usable compact / lightweight body, enabling for photography to be enjoyed readily | RICOH IMAGING
CELLONIC® D-LI78 Battery Replacement for Pentax Optio M50, Optio M60, Optio S1, Optio V20, Optio W60, Optio W80 D-LI78 600mAh Camera Spare Backup Power Pack : Amazon.co.uk: Electronics & Photo