What is a cordless power tool battery and charger?
| A battery stores electricity to power electrical devices, in this case cordless power tools such as cordless drills. | |
| The battery only works for a certain amount of time before all the energy is used up. The battery is either "primary", which means it cannot be recharged and must be disposed of; or is it a "secondary" battery or a "rechargeable" battery, which means the energy inside the battery can be recovered. This manual only applies to batteries suitable for use in cordless power tools. |
 | There are three types of rechargeable batteries used in cordless power tools: nickel cadmium (NiCd, pronounced "nye-cad"), nickel metal hydride (NiMH, commonly referred to simply as "metal hydrides"), and lithium ion (Li-ion, pronounced "alkaline"). eyes") batteries. |
 | The battery can be charged with a charger. The charger runs the modified electricity from the grid through the battery and resets it so that it is ready to use again. |
 | Cordless power tools often come bundled with one or two batteries and a compatible charger, although cordless power tools can often be purchased as a "bare unit" without a battery or charger, which are then purchased separately. |
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