QUALITY SERVICEGlobal technical support. We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery business. If you have any questions or concerns regarding our products, please send us a message and we will get back to you within 24 hours.APPLICATION CR2450 batteries suitable for remote control, security sensor, wireless thermometers, alarm system sensors, garage door remote, electronic candles, tea lights, clocks, watches, laser pens, fitness appliances, calculators, car key remote, security system, key fob, etc.CERTIFICATIONSThis is not a rechargeable battery. DO NOT charge battery. UN 38.3 compliant. More than 400 battery models are UL certified. Search "MH20555" on UL for all UL certification information.REPLACESBR2450, CR2450BP, DJ2450, DL2450, EA2450C, ECR2450, E-CR2450, KCR2450, LM2450, EA-2450C, L2450, KL2450, KECR2450, GPCR2450, KT-CR2450.POWER LONGEVITY & ENERGY-SAVING coin batteries are safe, environmentally friendly, free of mercury, high pressure and high energy density. Operating temperature range: -20 to + 60. Durable for long lasting performance. Less than 3% per year at room temperature. Long effective period. Superior high-speed pulse discharge characteristics. Continuous discharge stability. Will not leak in equipment during use and for two years after placed in equipment.