Specification: Model: CR1620 Type: Alkaline button battery Rated voltage: 3V Normal capacity: 75mAh Compatible models: 1620, CR1620, DL1620, ECR1620, BR1620，Used for toys, calculators, laser pointers, cameras, watches, clocks, pedometers, computers, games, digital cameras, camcorders, PDAs, remote controls, electronic instruments, digital voice meters, blood glucose meters... Features: 100% original, stable voltage, strong power, long battery life, safe and durable; Low self-discharge, 5 years shelf life, suitable for long-term storage; Built-in special protection board for lithium battery with the highest performance; Use stainless steel shell and anti-oxidation sealing ring to prevent the battery from rusting and leaking; Mercury-free and environmentally friendly, using environmentally friendly materials, in line with international environmental standards. Tip: Dear friend, if you have any questions about the product and logistics transportation, please leave a message to me and I will answer them for you as soon as possible. Thank you Highly Concerned Chemical: None , Nominal Voltage: 3V Nominal Capacity: 75mAh, Model Number: CR1620 Brand: koonenda , Origin: China Battery Type: Zn/Mno2 ,