An Important Message On COVID-19 From Carroll's Equipment

In response to the latest COVID-19 outbreak we want our customers to know we are closely monitoring the situation and following the guidance of public health officials and the CDC. We will remain open during this time. The health and well-being of our staff and customers is our top priority. We are encouraging phone and online orders and utilizing our two Parts Barn pick up locations, Charlotte Hall and Bowle's Farm. We will also provide curbside pick up at your request. Carroll's Equipment thanks you for your continued support.


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Marine Batteries

552445 marine 764x302

Work hard, play hard

John Deere marine batteries are available for deep-cycle applications and feature extra-thick lead grids designed for deep discharge and cycling. Their twin stainless steel terminals connect quickly, allow multiple attachments, and resist corrosion.

nmb strongbox 146x118StrongBox™ and Performance

  • Through-the-wall, welded intercell connectors are 25-percent larger than in other batteries, withstand vibration, and provide quick starts
  • Super radial grid design with inboard lug permits electrical current to flow more efficiently, and provides higher cranking amps
  • Extra-heavy plates give extra reserve power
  • Microporous plastic envelope separators eliminate electrical shorts and keep positive material from touching the negative plate
  • Epoxy-anchored plates make StrongBox batteries four times stronger than hot-melt anchored plates and reduce vibration


Starting: Ideal for key-on-key-off activities and starting applications

  • Designed to deliver high bursts of power for short periods time


Deep Cycle: Designed for trolling and heavy accessory demands

  • Designed for more cycles
  • Continuous operation time for all of your marine accessories
  • Greater Reserve Capacity and Amp Hours versus Starting and Dual Purpose


Dual Purpose: Perfect for starting and deep cycle application. Ready for all-day, key-on and key-off application

  • Combined deep cycle capability with starting power
  • Designed to deliver enough power for your engine and provide continuous draw for your accessories