The common rechargeable battery that is used for cordless power drills are nickel-cadmium batteries
. Most people use it because it is cheaper than the alternative, it is more difficult to damage when discharged, and they last longer in terms of charge/discharge cycles. However, nickel-cadmium batteries have limited life, are self-discharging even when not used, and can internally short circuit due to dendrite growth. The alternative for nickel-cadmium batteries are lithium ion batteries. These batteries are lighter, have shorter charging times, and have longer life. The drawbacks of these kind of batteries is that they are very expensive and they do not work well in cold temperature. These are the factors that should be considered when choosing w