The fully automatic Battery Tender® 4 Amp Power Tender™ 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 battery charger
4-step automatic charge process
3X the power of the Battery Tender Plus
12V or 6V switchable @ 4A
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)
Spark proof even when output leads touch.
Reverse Polarity Protection - no charge or battery damage