Dirt Devil BD10045RED AccuCharge 15.6 Volt Hand Vac with ENERGY STAR Battery Charger, Red for $38.99

Perfect for the energy saver in you, the AccuCharge line by Dirt Devil solves your energy woes. Using a smart charging battery system this line will help on you save on energy costs. Plug in your unit and the battery system will start charging. Smart charging technology with Energy Star Certified Battery System After your battery is fully charged it will shut off then periodically monitor the battery life.