Always be prepared for your next job with this cross-system charger. The M18™ & M12™ Multi-Voltage Charger accepts all M18™ and M12™ batteries, thus you’ll perpetually be ready and productive, particularly on jobs that need a combination of M12 and M18 city conductor power tools. This versatile unit charges batteries consecutive, reducing it slow to manage charge cycles. The charger communicates directly with the battery pack to watch cell voltage, temperature and charge standing to make sure a full charge. Power up your city compact batteries in half-hour and extended capability batteries in hour, while not the requirement for additional chargers on the jobsite.