Harley-Davidson - 66000304. Avoid the dead battery blues with a new Harley-Davidson® Dual-Mode Battery Charger. Ideal for today’s popular motorcycle battery technologies, this charger can automatically charge and maintain Harley-Davidson® Lithium LiFe or AGM Lead-Acid batteries, and just about any other battery in your home shop. These chargers will effortlessly charge multiple battery voltages (6 and 12 volt) with chemistries such as flooded, gel, AGM and Lithium. You can also charge different types of batteries such as deep-cycle, marine, powersport and more. The chargers are completely automatic. You can leave these chargers plugged in 24/7 with no worries of overcharging. Best of all there is no technical knowledge required. Chargers are designed for use in any climate, altering each charge based on the ambient temperature and providing a more accurate recharge. This fully-automatic Harley-Davidson® Dual-Mode Battery Charger is ideal for short- or long-term motorcycle battery charging needs. No motorcycle battery charger system offers more value and versatility, backed by a 5-year warranty.