GP Lithium 9-volt battery is the best choice of battery for smoke detectors and security devices. It can provide 10 years service life in ionization-type smoke detectors. The maintenance-free GP Lithium 9-volt battery can also last up to 5 times longer than ordinary alkaline battery.

Other than these, it comprises a number of superior features including high energy density, high voltage, excellent performance at extreme ambient temperatures, wide operating temperature, superior safety design, specific crimp design for leakage proof, and low self discharge rate which outperforms any comparable 9-volt battery making it the best consumer-replacement battery for smoke detectors and security devices, as well as other 9-volt devices such as medical equipment, meters, wireless transmitters, electronic toll collection system, military applications, etc.