Popular Woodworking 2008-04 № 168, страница 78

ithium-ion

DRiLLS

BY THE POPULAR WOODWORKING STAFF

We test more powerful, less weighty designs that are powered by new battery technology.

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n December 2005 (issue #152), Popular Woodworking tested 14.4-volt drills and used the results to determine if moving up from a 12v drill was worth the investment. In that test, each battery was either Nickel-cadmium (Ni-Cd) or Nickel-metal hydride (Ni-MH). Today there's a change in battery power. Gone from the headlines are the Ni-Cd and Ni-MH batteries - replaced by a Lithium-ion (Li-ion) battery. Of course, that meant we had another test to run.

The Lithium-ion Battery

What makes the Li-ion battery different - and is it better? With Li-ion batteries you get an increase in power with a decrease in the overall weight of the battery. (We tested 18v drills that weigh less than the old technology's 14.4v tools). That's

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