Battery Specifications Battery type:Lithium-polymer Voltage: 3V Capacity: 50 mAh Battery Package: 5 Pcs 1 card Dimension: 16 1.5mm Warning: 1.Fire, explosion and burn hazard. 2.Do not recharge, short circuit, crush, dis assemble, heat above 100 C incinerate. 3.Do not use the battery beyond the permitted temperature range.EQUIVALENT TO - ECR1616,1616,DL1616B,BR1616,DL1616,6616,BR1616-1W,CR1616-1W,GPCR1616,KCR1616,LM1616,L11,L28,280-209,5021LC,YA. INDIVIDUALLY PACKAGED:Simply access each battery in the back of the package. Conveniently save the others for later—no need to worry about the extras falling out and rolling away. WORKS FOR - Watches, calculators, car starters, keyless remotes, health monitors, glucose monitors,car security (car alarm keyfob batteries), organizer (backup battery for PDA such as Psion etc), camera, electric thermometer, computer equipment (memory backup battery), toys, accutron, communication equipment, electronic watches clocks, card radios, data pack for video camera. DURABLE AND SAFE:Batteries with a stainless steel appearance and is well sealed so that it will not leak into the equipment during use.And low self-discharge, properly stored can be up to 5 years of shelf life. LONG LASTING - 5Pcs CR1616 lithium button cell batteries, brings new life to your devices.Tested under strict quality control standards, CE and ROHS certified, ensure longer battery life and long lasting power.