NiCad--short for nickel cadmium--refers to a class of rechargeable batteries available in a variety of sizes, including the ever-popular AA and AAA sizes. Unlike the typical alkaline battery, NiCads are formulated to be rechargeable in a common household outlet, making them an eco- and budget-friendly option put to use in everything from video game controllers to remote-controlled cars since their invention in 1949. Knowing keep these batteries charged is key to their performance.
Instructions
1. Make sure the batteries are completely discharged. NiCads perform best when charging from a completely empty state.
2. Check to make sure you have the right kind of charger--NiCad batteries will not charge properly in a charger designed for nickel-metal hydride (NiMH) batteries, which are a different formulation. It's important to make sure your charger is capable of handling NiCads because mismatches can cause chemical explosions or fires. Some chargers give the option to support both--in this case, there will be a switch to select NiCads.
3. Choose the speed of your charge time. NiCad batteries charge best over a longer period of time, but some chargers give you the option to accelerate the charge. Over time, this will wear down the life of a battery.
4. Let your batteries charge. This may take as long as 12 hours.
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