Review Of Black And Decker 18V Battery Charger Green Light References. This means that the battery is ready to be used; Web take a multimeter or a voltmeter to measure the output voltage of both battery and charger.
Make sure to set the voltage output similar to the battery or chargers voltage output. Typically, the black and decker 18v cordless drill takes around two to three hours to charge if you have a brand new battery. Web the green light blinks or shows as a steady full green light while the unit is connected to an ac outlet and charging, indicating a top charge condition.
