GENUINE and ORIGINAL Packing same as Pictures. button-type battery used in small devices LR44 ~! Alkaline batteries Voltage: 1.5 V Capacity: 160 mAh Size (diameter x thickness): 1.16 x 0.54 cm Weight: 2 g (1 each)
Small amount of electricity is required at a low cost
Allows for really cheap prices to end users.
Manufactured in large quantities
Available from every battery company with a range of button batteries