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The Deltran Battery Tender Junior keeps your motorcycle battery charged at optimal levels. By incorporating an advanced microprocessor, it controls the charging functions your specific battery requires. Features a two-stage charging system that is perfect for all lead-acid, sealed maintenance-free and gel cell batteries. Once your battery reaches peak 14.4 VDC the Battery Tender Junior switches to 13.2 VDC float voltage. If your battery voltage drops below 12.6 VDC the Battery Tender Junior will resume full charging mode. Features solid state two color LED lights to indicate charging mode.