See Figure 1. Maintaining the battery between rides and while stored can maintain battery charge and extend the life of the battery. Connect the battery tender connector to a battery tender during storage or to a battery charger if the battery voltage drop below specification. See Maintenance and Lubrication → Battery Maintenance
Remove the left side cover to access the connector. Remove the connector cap. Connect the battery through the connector to an automatic, constant monitoring battery charger/tender. The connector is compatible with all Harley-Davidson battery tender/chargers.
When removing the tender/charger, replace the connector cap to prevent moisture damage when not in use.
Figure 1. Battery Tender