GP Lithium 9V battery is an all-rounded battery with supreme performance you will need to power essential devices from infrared thermometers to walkie talkies. The advanced power technology allows the GP Lithium batteries to last longer than any average alkaline batteries, and supply devices with stable power to operate at their maximum efficiency throughout the battery life. The perfect power solution for smoke detectors, you can take comfort in up to 10-year service life* and avoid frequent battery replacement. With broad operating temperature range from -40°C - +60°C, its performance is resistant to temperature fluctuation. Providing absolute protection for you and your devices, our quality strictly complies with international safety standards. Where there is GP Lithium battery, there is power you can trust. *To ensure optimal power is reserved in unused batteries, store in a cool and dry place away from direct sunlight.