Description Quality Battery for Pentax Optio M50 Voltage: 3.7 V Capacity: 680 mAh System: Li-Ion Dimensions: 38,2x26,8x7,4 mm – NO ORIGINAL BATTERY – HIGH-QUALITY ALTERNATIVE Amazon Prices 11.12 11.12 11.12 13.34 13.34 17.15 17.15 17.15 3 Consult Consult Consult Share Product Image Categories Electronics & Photo > Electronics > Camera & Photo > Camera & Photo Accessories > Camera & Camcorder Batteries, Chargers, Adapters > Camera & Camcorder Batteries > Camera Batteries