CR2450W can be customized for additional processing, add solder chip terminals, insulation packaging and configuration type, the model as following: CR2450W/MP1, CR2450W/HE1. CR2450W 3V 550mAh primary wide temperature battery main feature is super wide working temp: -40-125℃, excellent performance in leak-proof, special seal technology, leakage can be avoided even in high temperature. excellent perfoemance in low temperature, special high-activity material in low-temp, electrical energy can be released even in extreme low-temp. excellent performance in high-speed movement, it can be used under 2000G(Equivalent to the car in 300km/h speed) movement. good performance in environmental protection, the batteries do not contain any heavy metal material of Hg,Cr,Pb etc. They are totally meets the equirements of environmental protection of EU 2006/66/EC. good safety performance, the batteries meet the test requirements of related standards, safe and reliable. good cost performance, our batteries achieve the performance of the expensive imported ones, they will reduce your cost in replacing the imported ones. strict quality management system and many years of experience of cooperation with TCL. Black & Decker etc. big corporations to guarantee better quality.