Cameron Sino Replacement Battery Compatible with Doro PhoneEasy Model 618 Part DBE-900A Please ensure both model and battery part number are matched with your device before purchasing( you can find related information in product description). Product Type: Li-ion Volts: 3.7V Capacity: 500mAh Dimension: 40.00 x 33.95 x 6.50 mm Weight: 60g Certificated with FCC, CE,CB,ISO9001,and RoHS. 14 Days Money Back Guaranty and 12-Months Warranty