How to Select Power-Tool Batteries | Ask Kevin | Ask This Old House

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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Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.
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How to Select Power-Tool Batteries | Ask Kevin | Ask This Old House
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