377 watch battery use A+ class battery cells,Ensure long lasting power and reliable performance for your device; sr626sw watch battery shell is made of corrosion-resistant steel shell with good sealing. The battery don’t contain Hg/Cd/Pb,v377 watch battery is environmentally friendly and will not cause pollution to the environment. 【Long-Lasting Power】18mAh 377 watch battery use a+ class battery cells,certified by CE ROHS,the battery through quality testing,ensure full voltage and long lasting power for your household appliances,it means it can work for longer durations. 【Safe To Usag】Reliable,Multiple protection for sr626sw watch battery with good sealing performance for safety and Leak-proof,explosion-proof,it does not contain chromium, lead, or mercury chemicals. 【Device Compatible】For watch,electric toy, laser sight, remote,calculator, laser pointe,computer motherboard,electronic scale,hearing aid,clock,digital camera,camcorder,PDA,thermometer,MP3 Player,gaming controller and more. 【Compatible Model】LR626,SR626SW,AG4,SR626,377A ,V377,D377,GP377 ,377/376,177,376,626SW,GA4,L626,LR626,LR66,SR66 【What You Get】The fresh 377 watch battery in Exact Blister Pack,3-year shelf life, protective packaging prevents batteries from falling off ,it is easy to disassemble and install.