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BCI Group 27 AGM Marine Batteries

The Group 27 Marine Battery will measure around 12" long x 6.75" wide x little over 9" tall. Some of these group 27 deep cycle batteries, such as LifeLine, will produce as much as 100 amp hour. The NorthStar dual purpose marine battery boasts 1080 marine cranking amps.

The series 27 or type 27 sized battery is pretty popular in the boating world. It is just about the right weight making it easier to move around and has enough capacity to keep you on the water for many hours.

The group 27 deep cycle marine battery is often connected to a second battery of the same type and size in what is referred to as a series connection. This type of battery connection is when the positive of the first battery is connected to the negative of the second battery producing 24 volts.

Marine Battery Charger

For those of you with a 24 volt trolling motor you will want to purchase a 2 bank battery charger. If you have a starting battery on-board you may want to consider a 3 bank charger. Each charging lead is an independent 12 volt circuit designed specifically for boat applications and are easy to install. There is no need to disconnect your series connections to utilize this type of waterproof charger.

We offer to of the best deep cycle and dual purpose group 27 battery brands available. Both are made here in the USA.

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  • Top Sellers
    Optima 8027-127 BlueTop D27M
    • Cold Cranking Amps (CCA):800
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):12.19 x 6.81 x 8.75
    • Capacity Amp Hours:66
    • Warranty:3 Year
    SS2 Dual Pro Waterproof Battery Charger 2 Bank 10A
    • Chemistry:Lead Acid
    • Dimensions(in):9.25 x 8 x 4.25
    • Warranty:3 Year
    NSB-AGM27M
    • Cold Cranking Amps (CCA):930
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):12.44 x 6.77 x 8.86
    • Capacity Amp Hours:92
    • Warranty:3 Year
    Customers Also Purchased
    Group 27 MotoBatt MB105-12 Deep Cycle Battery
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):306 x 169 x 211
    • Capacity Amp Hours:114
    • Warranty:1 Yr Replacement
    Lifeline GPL-27T 12 Volt 100Ah Battery
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):12.01 x 6.60 x 9.25
    • Capacity Amp Hours:100
    • Warranty:5Yr Prorated / 1Yr Replacement
    OPTIMA D27F YellowTop 8037-127 Front
    • Cold Cranking Amps (CCA):830
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):12.16 x 6.76 x 8.61
    • Capacity Amp Hours:66
    • Warranty:3 Year
    UPG UB12900-M (Group 27) 12 Volt 90Ah Battery
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):12.05 x 6.61 x 9.13
    • Capacity Amp Hours:90
    • Warranty:1 Yr Replacement
    Lifeline GPL-2700T 12 Volt 95Ah Battery
    • Chemistry:AGM - Factory Sealed
    • Dimensions(in):13.09 x 6.60 x 9.25
    • Warranty:5Yr Prorated / 1Yr Replacement
    Smart Marine Battery Box

    Smart Marine Battery Box

    $39.95

    • Chemistry:No
    • Dimensions(in):16 x 9.5 x 10
    GCP1 Noco Genius AC Port Plug Side Profile Open
    • Chemistry:No
    • Warranty:1 Year
    3 Bank 10 Amp 12-36 Volt NOCO Genius Smart Charger - GEN3
    • Chemistry:Gel, Lead Acid
    • Dimensions(in):11 x 7.3 x 2.9
    • Warranty:3 Year
    SS2 Dual Pro Waterproof Battery Charger 2 Bank 10A
    • Chemistry:Lead Acid
    • Dimensions(in):9.25 x 8 x 4.25
    • Warranty:3 Year