Charge Pro Portable charger is intelligent, powerful and provides performance when and where you need it. Also extremely versatile with multiple DC output voltages, ability to charge multiple battery chemistries (flooded, AGM, gel) and include both alligator and ring terminal DC connectors. Multi-stage charge curves quickly and efficiently provide a full charge or maintain the battery at peak capacity. User-friendly, LED indicators display the charging process status. With durable construction to withstand harsh environments and smart technology, this charger will revive low batteries, charge cold batteries and provide maintenance charging to extend battery life.