Coin button battery naming rules Diameter 16mm Thick 2.0mm 70mah capacity Annual self-discharge capacity will be less than 2% 3-year shelf life CAMVION CR1620 Battery 3V Lithium Batteries Coin Button Cell Lead-free, mercury free, heavy metal harmful substances free Equivalent to other Brand Models, Like DL1620, ECR1620, BR1620, KL1620, L1620, BR1620 batteries. Table quality-Through 20 production processes, IQC quality control, quality stability Does not contain mercury, cadmium, lead and other heavy metal harmful substances Meet the environmental requirements Requirements, strict EU 2006 / 66 / EC battery directive Good safety performance Meet the safety test requirements under relevant standards, safe and reliable Read more Low self-discharge It is suitable for long-term storage. The annual self-discharge capacity will be less than 2%, and 90% of the power will be maintained for 3 years, so as to comprehensively improve the battery endurance. Upgraded sensitivity Durable, escort your equipment, the sensitivity is upgraded again, and the use range of the remote control is increased. Small current output The small current output is more stable, making electronic measurement more accurate. Motherboard battery After years and months, it will accompany you and me. The motherboard has sufficient battery power, so you can play the computer without worry Read more Flexible adaptation to temperature The 3V Battery Working temperature range: from -40 degrees Celsius to + 125 degrees Celsius; Long-term storage The 3V cr1620 Battery capacity is 70mah, battery annual self-discharge capacity will be less than 2%, suitable for long-term storage; Resist high and low temperatures Excellent leakproof performance and special sealing technology can effectively avoid cr1620 battery leakage even at high and low temperature; Read more The 3v cr1620 cell batteries application fields include automotive electronics: Tire pressure detection system (TPMS), etc.; Memory and backup power supply: memory backup, clock power supply, data backup power supply, etc.; Various intelligent meters: intelligent electricity meter, water meter, gas meter, heat meter, etc.; Wireless alarm/sensor: smoke alarm, temperature monitor, etc.; Remote detection system: Marine telemetry system, positioning device, etc; Electronic toll collection system: electronic toll collection system, etc.; Military use: wireless communication, night vision device, tracking and positioning equipment, etc.; Other electronic and electrical products applied in high temperature and low temperature.