The DeWalt DW9109BP is a 7.2V - 18V 1 Hour Vehicle Charger. The DW9109 Charger charges from vehicle's cigarette lighter outlet enabling batteries to be charged while driving to work or on a jobsite. It charges all DeWalt 7.2V -18V batteries except for the Univolt batteries. The automatic shut-off protects excessive discharge of vehicle's battery. The patented voltage booster circuitry charges whether vehicle is running or not. Circuitry boosts input voltage to allow recharging one battery after another to save time.
7.2V - 18V Vehicle charger
Charging batteries