Nickel-Cadmium Pocket Plate alkaline storage batteries can be divided into low rate, medium rate and high rate based on their application (various discharge currents ). They can be operated at a wide temperature range of of –40oC to +45oC., although their normal (nominal) temperature of operation is defined at an ambient temperature of 25oC± loC. They are widely used in the electric equipment, tele-communications, lighting & UPS as the standby or DC power supply. They can also be used in oil motor or DC electric motor for Starting, in transport vehicles and solar energy cells.