DR9664 Digital Camera Battery 3.7v 630mAh PSA PNo: DR9664 Warranty 3 Years Function battery performs Camera , Power battery for cameras Battery Chemistry Lithium ion , Newer type of rechargable, giving best performance for a rechargable. Voltage 3,7 V Capacity 630 mAh Weight 24 g Dimensions 40 mm x 31 mm x 6 mm Shape Rectangular Brand Name This is a Duracell branded product.