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 drops below specification.
Refer to Service Procedures → Battery Maintenance. Refer to Service Procedures → Side Covers. Remove the right side cover to access the battery tender (2) connector. Remove the battery tender cap (1). 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.
Figure 1. Battery Tender