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 health.

• 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

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov