Battery Tender

Battery Tender 6V/12V, 4A Lead Acid Lithium Selectable Battery Charger [022-0209-BT-WH]

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6V/12V, 4A Lead Acid & Lithium Selectable Battery Charger

The Battery Tender® 4 AMP battery charger will fully recharge and then maintain a battery at its proper storage voltage without the damaging effects caused by trickle chargers. At 4 AMPs, this battery charger offers a quick recharge on automotive, marine, and power sports batteries. An ideal charger for everyday charging use or long-term storage and maintenance, it is compatible with 6-volt and 12-volt lithium, AGM, flooded, and gel batteries.


  • 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, and 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 and clips


  • Shipping Weight: 3.15 lbs.
  • Dimensions (L X W X H) (inch): 6.8" x 3.68" x 1.96" (charger only)
  • Lead Acid Safety Timer: 25 hrs.
  • Lithium Safety Timer: 15 hrs.


  • Charger Input - Voltage: 120v
  • Charger Output - Amps: 4a
  • Charger Output Voltage: 6v/12v
  • Charging Banks: 1
  • Portable: Yes
  • Box Dimensions: 4"H x 10"W x 12"L WT: 2.45 lbs
  • UPC: 734357220957

Owner's Manual (pdf)