Deep Cycle Marine Battery - The Best Marine, Automotive and Industrial Batteries

 

odyssey 31m pc2150 1mLead-acid marine and automotive batteries are a very important piece of equipment, regardless if you have a small boat that can be pulled out on dry land by hands, large vessel suitable for long off-shore fishing trips, a city car with an internal combustion engine, or you have large 4x4 SUV/truck for outdoors adventures.

Today, there are several battery types that are commonly used like Lead Acid batteries, Nickel-Cadmium batteries, Nickel Metal Hydride batteries, Lithium batteries, etc.

Non-lead acid battery types do have their advantages, but so do the lead-acid batteries and they are still the most used marine/automotive battery type.

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BCI Battery Groups Battery Equivalents Articles and Guides

Most popular marine, automotive, industry and off-the-grid battery group sizes are listed in the following BCI Battery Groups Chart:

BCI Battery Group Size L x W x H (inches/mm) Typical Capacity (Ah) Typical CCA (Amps) Typical RC (min)
Group 4D Batteries 20.75 x 8.75 x 9.875
527 x 222 x 250		 170 - 200 1200 - 1500 350 - 470
Group 8D Batteries 20.75 x 11.125 x 9.875
527 x 283 x 250		 200 - 350 1450 - 2700 460 - 780
Group 24 Batteries 10.25 x 6.8125 x 8.875
260 x 173 x 225		 75 - 85 500 - 840 140 - 180
Group 27 Batteries 12.0625 x 6.8125 x 8.875
306 x 173 x 225		 66 - 110 640 - 870 140 - 220
Group 31 Batteries 13 x 6.8125 x 9.4375
330 x 173 x 240		 75 - 125 600 - 1150 155 - 240
Group 34 Batteries 10.25 x 6.8125 x 7.875
260 x 173 x 200		 50 - 75 750 - 880 100 - 145

Of course, other sizes are used as well, but not as much as these.

Our Latest Reviews, Articles and Guides

Here are our latest reviews, articles and guides, ordered according to the date added or updated:

Best Trolling Motors for Pontoon Boats

pontoon trolling motor mpontoon boat w150pxPontoon boats significantly differ in size, weight, hydrodynamic form, surface, and other features and it is impossible to define 'the best' electric trolling motor to fit them all.

But, if You are looking for a new electric trolling motor or even motors for your pontoon boat, here we explain a few very important things to consider before buying a new motor(s) and suitable batteries.

YTX12-BS Battery - Features, Specifications, and Cross Reference Chart

ytx12 bs mYTX12-BS battery is a BCI Group of starting/cranking batteries intended for motorcycles, snowmobiles, ATV, scooters, boats, power generators, tractors, and other vehicles, vessels, and applications where small and compact, but relatively strong battery is required to provide bursts of energy, required for starting/cranking smaller gas and even diesel engines.

Most modern YTX12-BS batteries are manufactured as spill-proof, maintenance-free AGM/Gel-Cell lead-acid batteries, but with the advancements in technology, lithium-ion batteries are becoming more and more popular - they tend to cost more, but can save some weight, leading to overall improvements in performances.

LR626 Battery vs SR626SW Battery - 377, AG4, LR66, SG66 Battery Equivalents

sr626sw w150pxLR626 and SR626SW batteries are button/coin cell batteries often used in wrist watches, toys, digital cameras, remote controls, car keys, thermometers, and similar.

LR626 and SR626SW batteries share the same physical dimensions, but they differ in chemistry and thus in their features and specifications. To help with the confusion even more, some manufacturers often use other labels for both batteries, including LR66, SR66, AG4, GA4, SG4, 376, 377, etc.

Ionic IC-12V12-EP4S Lithium-Ion Deep Cycle Battery

ionic ic 12v12 ep4s battery mThe Ionic IC-12V12-EP4S battery is a 12V 12Ah deep cycle, general-purpose, Lithium Iron Phosphate (LiFePO4) battery. It features an advanced Battery Management System (BMS) that allows the battery to be connected in parallel (larger capacity) and up to four batteries in series (for 12, 24, 36, and 48 volts systems).

Ionic IC-12V12-EP4S is much lighter than lead-acid batteries of similar capacity, it supports a much larger number of charging and discharging cycles, but it is also more expensive, at least in the beginning.

Is a Car or Boat Battery AC or DC?

optima starting battery w150car in the woods w150pxWith so many devices in cars or on boats and yachts requiring both 5V or 12V DC and 120V or 230V AC, many people wonder, are car or boat/yacht batteries AC or DC power sources.

After all, a single battery provides the power for both AC and DC devices, right? As usual in life, 'complicated' issues very often have rather simple answers ...

Briggs & Stratton P2200 PowerSmart Series Inverter Generator

briggs and stratton p2200 mBriggs & Stratton P2200 PowerSmart Series Inverter Generator is a compact and lightweight power inverter generator, offering stable and reliable power during fishing trips, while camping, being outdoors, during emergencies, or simply when being off the grid.

Briggs & Stratton P2200 features low THD (Total Harmonic Distortions) and is suitable for powering sensitive electronics, charging laptops, smartphones, tablets, 12V batteries, as well as powering home and other appliances.

Mighty Max ML75-12 SLA AGM Battery

mighty max ml75 12 mMighty Max ML75-12 SLA AGM Battery is very popular, general-purpose BCI Group 24, Sealed Lead-Acid (SLA) Absorbent Glass Mat (AGM) battery, designed for both standby/float and deep cycling use in off-the-grid applications, security, and medical systems, as trolling motor battery, as sump pump backup battery, as wheelchair battery, in electric vehicles, etc.

Mighty Max ML75-12 SLA AGM Battery is a very balanced design, having very good features at affordable price. As an SLA AGM battery, it is a spill-proof and maintenance-free battery.

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