Product Weight : 15 grams ( 5’s pack ) X 4 = 160 Grams Battery type : Mini Cell / Coin Battery Battery voltage : 3 V Technical Data Sheet Specifications CR2032 Battery 0% Mercury Cadmium lead Capacity : 240 MAh Size : 20mm*3.2mm Weight : 3.1 Grams CR2032 Battery For long-lasting and reliable power Giga-tek CR2032 Lithium Coin batteries contain the substance manganese dioxide, which is chemically very stable. with high energy density and high voltage, a single 2032 Lithium Coin battery can replace two, three or more conventional batteries. If you’re looking for CR2032 batteries that are designed to provide reliable and long-lasting power, you’re at the right place. Reliability and Safety Repeated tests on the various safety and performance characteristics of this battery have been conducted by Giga-tek . their high reliability and safety under the UL safety standards in the USA and wide recognition over the world. Applications No mercury added. CR2032 battery can be used for memory back-up, digital watches, car keys, laser pens, fitness appliances and medical devices such as tensiometers and clinical thermometers Package include: Giga-tek – CR2032 ( 5 packs ) * 4 units = 20 UNITS Handling and Packing: Packing done with good amount of care so that you get the item in good condition. it is your responsibility to ensure that the packet received is in non-tampered condition. If the pack is open please refuse to receive the order and return it with same logistics person.