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10 Best marine battery group sizes of 2025
Explore top picks
Best Choice1
WEIZEWEIZE 12V 60AH Dual Purpose LiFePO4 Lithium Battery, 800CCA Group 24 Group 34 Starting Battery Plus Deep Cycle Performance, Built-in Smart BMS, Perfect for Automotive, Trolling Motor, Marine, RV
9.7Exceptional
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Value for Money2
Interstate BatteriesInterstate Batteries Marine/RV Battery 12V 100Ah 825CCA Dual Purpose Power Pure Lead AGM RV & Marine Starting Replacement Battery (Group Size 31M) Boats, RV's (8-31MAGMDC / 31M-AGM-A)
9.6Exceptional
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3
UPLUS NEW TECHNOLOGY BATTERYUPLUS BCI Group 24M Dual Purpose Marine Battery, 12V 79AH 550CCA AGM Starting and Deep Cycle RV & Boat's Batteries for Navigation Devices, Lights and Engines
9.5Excellent
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4
WEIZEWeize Dual Purpose AGM Battery BCI Group 24M, Starter & Deep Cycle 150RC 550CCA 12V 90AH Sealed Marine & RV Battery
9.4Excellent
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5
MARXONGroup 27M Marine Battery Dual Purpose Marxon RV AGM Batteries 2X Deep Cycle 12V 92Ah 800CCA 175RC Trolling Motor Battery SLA Replacement Starting and Supply Power with 2pcs Terminal
9.3Excellent
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6
NOCONOCO Snap-Top BG27 Battery Box, Group 27 12V Battery Box for Marine, Automotive, RV, Boat, Camper and Travel Trailer Batteries
9.0Excellent
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7
CamcoCamco Large Battery Box with Straps and Hardware - Group 27, 30, 31 |Safely Stores RV, Automotive, and Marine Batteries | Measures Inside 7-1/4" x 13-1/4" x 8-5/8" | (55373), Black
8.9Very Good
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8
CYCLENBATTCYCLENBATT 12V 100Ah LiFePO4 Battery with Low-Temp Protection, Group 27 12V Lithium Battery Bulit in 100A Smart BMS Up to 15000 Deep Cycles, Great for Trolling Motor, RV, Solar System, Marine
8.8Very Good
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9
Interstate BatteriesInterstate Batteries Marine Deep Cycle Battery 12V 100Ah 925CCA (31-AGM5) Pure Matrix Power Commercial Battery Pure Lead AGM Replacement (Group 31) Auxiliary Units APU, Starting Engines, Heavy Duty
Key specs-
features:Extreme deep-cycle power
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batteries:1 12V batteries included
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dimensions:13 x 6.77 x 9 inches
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amperage:N/A
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warranty:N/A
8.7Very Good
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10
A.AAutomotive, Marine, Boat, RV Battery Tray - Group 24 Series With Strap, Battery Holder (24 Series)
Key specs-
size:24 series batteries
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material:Polypropylene plastic
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weight:12.6 ounces
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style:Extreme-duty
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dimensions:14.53 x 9.92 x 2.09 inches
8.6Very Good
Our Rating
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