The Battery Tender? 4 Amp Selectable is an automatic and easy to use battery charger that will keep your battery fully charged and ready to go when you are. Whether it is 6 or 12 volt AGM, Lead Acid or Lithium, the Battery Tender 4 Amp Selectable has the proper charge algorithm for charge and maintenance to ensure long term battery healthFeatures: Selectable 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 6/12 volt selectable Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) Automatically switches to float/maintenance voltage after fully charging the battery If the battery voltage drops too far under load, full charger output power resumes Solid state two color LED indicates stage of charger Spark proof reverse polarity protected Meets California and Oregon appliance energy efficiency standards for battery charging systems 5 year warranty Manufacturer Part Number: 022-0209-BT-WH
