Harbor Freight Tools


12V Deluxe Battery Maintainer and Float Charger

This float charger keeps your 12 volt automotive type battery fully charged and ready to use

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Keep your battery fully charged with this compact, handy float charger. The float charger/maintainer supplies voltage to match your 12 volt battery's self-discharge rate, keeping your battery "topped off" at all times without overcharging. Ideal for vehicles in long term storage, 12 volt backup batteries for sump pumps and other applications that need a battery to be kept fully charged between long periods of nonuse.

  • Charge or maintain 12 volt batteries in storage
  • Alligator clamps with optional ring clamps for permanent installation
  • LED indicates when battery is charging or fully charged
  • Red light warning for reverse polarity or short circuit
  • 12 ft. charging cable
  • Automatically maintains the correct voltage

Important Information

  • Use on fully charged 12 volt flooded lead-acid or AGM batteries only. Not for gel batteries.

62813, 61911, 63161
Clamp material
Reverse polarity protection (y/n)
AC Volts
Amperage (amps)
Cable length
22 in.
Product Height
3-1/4 in.
Product Length
2-1/2 in.
Product Weight
1.2 lb.
Product Width
2-1/4 in.
Shipping Weight
1.20 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.