The fully automatic Battery Tender® 4 Amp is a top-of-the-line 12V or 6V switchable battery charger, perfect for automotive, motorcycle and marine repair and maintenance shops. With 3x the power of the Battery Tender® plus this charger is versatile and powerful. Equipped with a simplified 4-Step Automatic charge process. All Battery Tender® chargers automatically switch from full charge to float charge mode. Reverse hook-up protection makes connecting your charger safe and easy to do. LED light indicators make selecting your charge mode simple.

• 12V or 6V switchable @ 4 Amp
• Selectable for AGM/Standard/GEL or Lithium (LiFePO4) *12V only for Lithium
• ISM™ (Infinite Sequential Monitoring) of the fully automatic 4-step charge process (qualification, bulk charge, absorption, float)
• Microprocessor controlled
• Spark proof even when output leads touch.
• Reverse Polarity Protection - no charge or battery damage
• State of charge LED indicators
• Includes Rings & Clips
• Shipping Weight: 3.15lbs
• Dimensions: 6.8” x 3.68” x 1.96” (charger only)
• Lead acid safety timer: 25 hrs.
• Lithium safety timer: 15 hrs.
• Agency approval: BC / FCC
• 5 year warranty

California Residents

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