Enegitech CR2 Batteries, 3V Lithium Batteries CR15H270 for Golf Rangefinder Security Alarm System Non-Rechargeable (CR2 4 Pack)

CR2 Lithium Battery: Voltage: 3V / Capacity: 1000 mAh. Longer shelf life up to 10 years. Note: They are disposable batteries, please do NOT charged them ! Apply to: CR15H270, Golf Rangefinder, Instax SQUARE SQ1/SQ6, SwitchBot Smart Switch, Firehawk Carbon Monoxide Alarm, Photo Cameras, Oxford Disc Lock, flashlights, Smoke Detector, Alarm Sensor, Security System etc. Long-Lasting: Made of lithium, ultra high energy density and lasts 3-5 times longer than ordinary alkaline batteries in high current drain devices like digital cameras. Suitable for Extreme Environments: Lithium batteries contain a non-aqueous electrolyte designed to operate even in extreme temperatures from -40°C to +60°C. Multi-Protection: Built-in PTC protections (pressure, temperature, current) to ensure battery with high safety performance than other brand batteries.