Ask Kevin: How to Select Power-Tool Batteries

Posted by in Home Improvement Tips, on May 28, 2016

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This Old House host Kevin O'Connor shares a few tips for getting the most out of your cordless tools. (See steps below.)

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Steps for How to Select Power-Tool Batteries:
1. Older power tools will likely have nickel-cadmium (nicad) batteries, which are heavy but rugged and resistant to cold weather.
2. A busy contractor might need to replace a nicad battery every two years or so.
3. Lithium-ion batteries are much lighter and more powerful than nicads.
4. Fuel gauges are found on most lithium-ion batteries that show how much power is left.
5. Lithium-ion batteries hold a charge for a very long time, making them ideal for seldom-used power tools.
6. Once a rechargeable battery dies completely and can no longer be recharged, be sure to recycle it properly. Most power-tool manufacturers have a recycling program and will accept old and dead batteries.

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