Use your DeWalt 20V MAX batteries on DeWalt 12V MAX cordless tools, without buying into a second battery platform. Your DeWalt 20V MAX battery is 20V where DeWalt 12V MAX tools expect 12V. A DC-DC converter inside steps it down and holds it...
Reviews
4.5
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It works good, locks onto the battery and the tools good, only bad part is that it drains the batteries, so I leave the adapter on the tool instead of the battery