Battery Tender 4 Amp Power Tender Selectable.

Selected Battery Chemistry has battery chemistry selection with proper charge algorithm for lead-acid, flooded or sealed maintenance-free (AGM and gel cell) and lithium batteries

Features

• Selected 6- or 12-Volt
• Completed four-step charging program: Initialization, Bulk Charge, Absorption Mode and Float Mode
• Automatically switches to float/maintenance voltage after fully charging the battery
• If the battery voltage drops too far under load, full charge output power resumes
• Solid state, two-color LED indicates stage of charger
• Spark proof
• Reverse polarity protected
• Five-year manufacturer's warranty
• Output: 12-Volts @ 4-Amps
• Input: 120VAC @ 50/60Hz