Roy66 Posted January 30, 2013 Report Share Posted January 30, 2013 I've heard a lot of good things about cordless impact drivers and have taken the time to find out quite a bit about how they work. I understand that there is a hammer and anvil mechanism inside which creates additional torque by hammering on the side of the bit.A lot of people online are saying that the great thing about the cordless impact driver is that they do not use any additional battery power to produce these high impacts. How can this be true? Where is the power coming from if not the battery?Cheers, R Quote Link to comment Share on other sites More sharing options...
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