Application: Can be used in the camera, toys, remote control, mouse, alarm clock, flashlight, doorbell, etc. Packing List: 2 x AA batteries Dimensions: 1.97 in x 0.55 in x 0.55 in (5.0 cm x 1.4 cm x 1.4 cm) Weight: 3.67 oz (104 g). Mark Capacity: 2700 mAh