QLQXQTy's CR2330 battery use high density battery cells provide long lasting power your electronic device,through strict quality testing that maintain high performance;QLQXQTy CR2330 battery are designed to excellent sealing material and protect your devices,100% leak proof liquid and explosion proof,it means meet your household needs;Use materials with excellent sealing properties to ensure zero battery leakage;5-year shelf life, low self discharge, suitable for long-term storage,Eco-friendly and safe,free from any harmful substances such as pb/hg/cd,Safer use!