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Starting BCI Group 27M Marine and Boat Batteries

Stay afloat with the right marine battery to power up your engine or run accessories in your boat. Our trained associates will help you choose from fully sealed AGM or conventional flooded batteries.

  • 48 month free replacement warranty
  • 2 complete batteries in 1 - 100% starting and 100% reserve power to handle electronics
  • AGM technology - non-spillable, non-gassing and maintenance free
Brand: X2Power
Voltage: 12
Format: BCI Group 27M
Lead Acid Type: Deep Cycle, Dual Purpose (Starting/Cycling), Starting
Cold Cranking Amps: 930
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  • 12 month free replacement warranty
  • Get sure fire starts from your boat
  • Starting power 840 CCA
Brand: Duracell Ultra
Voltage: 12
Format: BCI Group 27M
Lead Acid Type: Starting
Cold Cranking Amps: 840
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Check Store Availability

Deep Cycle, Starting or Dual Purpose?

  • Looking to power your trolling motor, depth finder, bilge pump or fish locator? Check out our line of deep cycle batteries that are used for heavy charge/discharge cycling.
  • Looking for a powerful battery to turn over the inboard or outboard motor on your speedboat? We have a wide range of starting marine batteries to kick over any horsepower engine.
  • Need a battery to start your boat and manage some of the accessories like a communications radio or stereo? We even have dual purpose batteries that provide immense starting power along with cycling capabilities.


Batteries Plus Bulbs is also an industry leader for boat battery recycling. Each Batteries Plus Bulbs location is a drop-off point for battery recycling. Learn more about our recycling programs for consumers and businesses.

Have more questions? Contact us or visit your nearest store.

Tips to extend the life of your marine battery

  • Off-season battery maintenance will provide extended run time and lifetime for your marine battery.
  • Marine and Boat batteries work best when the charge is maintained in the battery – do not store the battery in a discharged state.
  • We even offer battery boxes, portable jump packs and custom cables to make sure your boat battery is running at top speed.