Quick Answer: Is A Marine Battery Better Than A Car Battery?

Is it OK to use a marine battery in a car?

Yes, if the marine battery has the rated cranking current to start your car on the coldest day, and you can find one that fits your car.

In general, though, deep cycle batteries isn’t necessary for cars and offers no advantage given its price premium unless you intend to deep discharge the battery frequently..

What is the difference in marine batteries?

The major difference is the ability of each type to discharge. You see, batteries only store energy, they do not create it. … On the other hand, a Marine battery is designed for a couple of purposes – some call it a hybrid – a cross between a cranking and a “house” battery.

How do you know if a marine battery is bad?

If your battery is reading 0 volts, chances are the battery experienced a short circuit. If the battery cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. If the battery is fully charged (according to the battery charger) but the voltage is 12.5 or less, the battery is sulfated.

Does a boat battery charge while running?

Cranking or Starting Batteries While the motor is running, the alternator inside will easily and quickly replenish the used energy. If your boat is powered by a newer model outboard with sophisticated computers, pumps and sensors, you definitely want to make certain you have enough starting power.

What is special about a marine battery?

Marine Starting Batteries provide quick but powerful spurts of energy over short periods of time and are designed to start the engine and be rapidly recharged by the engine alternator. … While they’re able to perform the tasks of a starting battery and deep cycle battery, they’re not as efficient as separate batteries.

What is the best type of marine battery?

Marine Battery Comparison TableMarine BatteryTypeBest ForVMAXTANKS AGM Marine Deep Cycle BatteryAGM / SLAPower SourceOdyssey 31-PC2150S Marine Starting BatteryAGM / SLAStartingOptima Batteries BlueTop Marine Starting BatteryAGM / SLAStartingOptima YellowTop Dual Purpose BatteryAGM / SLADual Purpose3 more rows•Jul 10, 2020

Should I leave my boat battery charger on all the time?

Once the battery is fully charged they will unplug it. … If you store your boat on land or a lift just out of the water, you generally don’t need to keep your battery plugged into a charger all of the time. Unless you live several hours away from where you store the boat, and you leave the boat for a few weeks at a time.

Do you need a special charger for a marine battery?

Whether for marine or auto use, sometimes your deep cycle battery drops below its needed voltage to run your boat, golf cart, or electronics. If this happens, you’ll need a special charger to get your battery back up to its recommended voltage.

How do you maintain a marine battery?

Maintaining Your Boat’s BatteriesMaintain your boat’s battery to maximize your fun on the water.Use a baking soda paste to clean the terminals.Fill cells of “conventional batteries” with distilled water if they’re empty or low.Lightly grease the terminals with something like dielectric grease.More items…•

How big a deep cycle battery do I need?

As a basic rule of thumb, you can remember that a 100Ah AGM deep cycle battery can provide 1 amp for 100 hours, 2 amps for 50 hours, 3 amps for 33 hours,… Keep in mind this is a rough estimate, as the battery capacity will change a little depending on how fast your battery is being drained.

How long should a marine starting battery last?

five to seven yearsBoat batteries are expensive to buy in the first place, yet they can lose most of their capacity within a couple of seasons if they are mistreated. However, if you treat them well, a set of decent service batteries can last for five to seven years. Decent batteries are expensive, yet still vulnerable to mistreatment.

What is the longest lasting marine battery?

Runner-Up, Best Overall: VMAX XTR31-135 AGM Marine Battery This battery has superior plates and a float service application lifespan of 10 to 12 years. Ranked as a Group 31 battery, it measures 13” x 6.8” x 8.4” and weighs 77 pounds.

How many cold cranking amps do I need?

The standard recommendation is a battery with at least one Cold Cranking Amp (CCA) for every cubic inch of engine displacement (two for diesels). CCA rating is an indication of a battery’s ability to deliver a sustained amp output at a specified temperature.

How long does a deep cycle marine battery last?

six yearsMost deep cycle batteries can last up to six years with proper care and charging (depending on the frequency of use). It’s up to you to make sure that your battery isn’t being damaged by your charging routine.

Is there a difference between deep cycle and marine battery?

A deep cycle marine battery, or trolling battery, has several design differences. One key is plates: It has fewer, thicker plates allowing the battery to provide continuous power output over long time periods. Deep cycle batteries can be entirely drained and recharged many times over, cranking batteries can’t.

Can you overcharge a marine battery?

Don’t overcharge. Overcharging your battery is even worse and can do more damage than over discharging your battery. When you overcharge your battery, you cause the acid inside to boil or percolate, which can cause your battery to crack or even explode completely, ruining your battery and possibly your boat.