Model No. BM3B

Battery Maintainer / Trickle Charger

The BLACK+DECKER™ battery charger/maintainer features 6 volt and 12 volt charging selectivity. Use for battery maintenance, charging RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft and more. Maintains battery charge in stored vehicles and battery applications. Includes three connector sets: DC accessory plug, battery clips, and battery ring terminals. Fully automatic, provides a charge when needed, stops charging when battery is fully-charged or topped-off. Built-in circuit protection guards against overcharging, reverse polarity or short circuit. CEC and UL listed.

Shop now


Features + Benefits

  • Keeps 6V & 12V battery systems at optimal capacity
  • Fully Automatic high frequency charging
  • Reverse polarity protection
  • 3 Ways to Connect: Batter clips, 12V DC Accessory Plug & Battery Ring Terminal
  • AC Low voltage compensation ensures maximum performance when used with an extension cord
Black And Decker - Battery Maintainer  Trickle Charger - BM3B

Product Specs

  • Charges 6 and 12 volt AGM, GEL and WET batteries
  • Keeps batteries at optimal capacity during the off season
  • Battery maintainer/ charger
  • 12V/DC outlet
  • Battery Clamps
  • Ring Terminals