Ten minutes till kickoff, the new flat-screen is almost installed, then pfzzz—your drill/driver konks out. If it's a 12-volt lithium-ion Craftsman, don't sweat it. In three minutes, this charger fills a dead battery to 25 percent capacity, enough to drive 70 more screws.
NEXTEC 12 Volt QuickBoost Charger 29497, by Craftsman; $40; craftsman.com
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