Description: ViCep CR2450 coin batteries are safe, environmentally friendly, free of mercury, high pressure and high energy density. Durable for long lasting performance. Long effective period. Superior high-speed pulse discharge characteristics. Continuous discharge stability. Specification: 1. Non-rechargeable 2. Battery capacity: 650 mAh 3. Working voltage: 3 V 4. Rated current: 0.4 mA 5. Temperature range: -20 to + 60 ° C（-4℉-140℉） 6. Diameter: 24.5mm 7. Thickness: 5.0mm 8. Weight: 6.2 g Replacement battery: Please confirm the battery model before replacing the battery. First clean the battery card slot, then hold the battery edge by hand and install the fixed battery (do not touch the positive and negative poles at the same time to avoid discharge) NOTE: For safety, please keep it away from children to avoid swallowing. Application: car key fobs, watches, remote control, motion detector, calculators, LED lights, clocks, electronic notebook, mobile game and more