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I am wanting to buy a cordless drill. Can you explain the differences to me?

Asked by chyna (51301points) January 8th, 2012

I’ve been looking at cordless drills to use in home projects. I don’t understand the difference in the volts. I see they are available in 12, 14, 18 and 20 volts. What is the difference and which one should I buy?

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