Best Battery for Outboard Motor Reviews 2019

If you are going to use an outboard motor, you will need a battery that fits well with this type of motor. The best batteries that work well with outboard motors are the ones that come with both deep cycle and starting functionality. Another name for this battery is dual-purpose battery. This battery contains a small amount of liquid; just enough to moisten the mat so nothing can leak out. It is durable and can handle many charge and discharge cycles. It comes with the power to start the outboard engine and the electronics.

5 Best Battery for Outboard Motor

Optima 8016-103 D34M Deep Cycle Battery

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Odyssey 31M-PC2150ST Marine Dual Purpose Battery

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Optima 8052-161 D31M Starting and Deep Cycle Battery

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Northstar AGM Engine Start Batteries

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Trojan T27-AGM Dual Purpose Battery

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This 8016-103 D34M Deep Cycle Battery is a great outboard battery that works as both starting and deep cycling operations. It has 55Ah rating and high durability. This battery is capable of taking three times more charges than the ordinary ones.

Adding distilled water to this AGM battery is not necessary. Moreover, it is totally maintenance-free. You can easily mount this battery in any position of your choice. It weighs 43 pounds, and it is 7 and 13/16 inches tall. You can start your boat with it no matter how adverse the weather condition is.

It can discharge 25 amps for 120 minutes until the voltage goes down to 10.5 volts. In about 35 minutes, you will get 90% charge capacity.  However, you have to use the company charger to save your battery from an overcharge.

Things we liked

  • It can start a motor even at 0 degrees F
  • It can power boats loaded with electrical gadgets
  • Doesn’t take long to recharge
  • It can last for a thousand recharging cycles
  • No too heavy
  • It’s spill-proof
  • It doesn’t need maintenance
  • You can avoid overcharge using the right charger

 

Things we didn’t like

  • Without the right charger, the battery is overcharged
  • You have to follow a set of instructions while recharging it

 

The Odyssey 31M-PC2150ST is one of the best outboard dual purpose batteries on the market. Though the price is a bit high, it has better specifications and a good warranty.

You will get an excellent reserve power of 205 minutes and capacity rating of 100 Ah if you buy this battery. This is more than enough to power a fishing boat with several large fish finders.

Its 1150 cold cranking amps can easily crank the bigger 200-250hp outboards on top of the line bass boats. If you are likely to need the best AGM battery to power everything on your fishing boats, the Odyssey 31M is the right choice for you.

Things we liked

  • 5 years warranty
  • Full replacement at no cost, with no hassle
  • Capacity rating of 100 Ah
  • Excellent reserve power of 205 minutes
  •  Highest recharge efficiency

 

Things we didn’t like

  • A little bit pricey
  • Heavier than others

 

The Optima Bluetop is another great outboard dual purpose marine batteries available today. It is a popular and high-performance AGM battery with a powerful runtime. It has the ability to take more recharges than most other marine batteries.

So it has a better runtime and longer lifespan. It is durable and fifteen times more resistance to vibration which keeps the battery safe and makes for a longer lifespan. The sturdy and secure design makes it spill-proof and mountable in any position. The only downside is that sometimes Optima have shipping issues. Shipments of batteries occasionally fall behind.

Things we liked

  • High-performance AGM battery
  • Powerful runtime
  • Above average recharges
  • Longer lifespan
  • Sturdy and secure design
  • Spill-proof and mountable in any position

 

Things we didn’t like

  • Shipments of batteries occasionally fall behind

 

This pure lead AGM battery features a very high reserve, Amp-Hour capacity, and cold cranking amps for large outboards, and faster recharge. The Northstar AGM charges to 100% faster than most other batteries. This battery delivers continually strong CCA. You don’t have to worry about getting stranded out on the water with battery.

It is dependable and entirely maintenance free. So you don’t have the hassle to check water levels or clean corrosion off the terminals. When stored over long periods of time, it holds up in extreme conditions. You will get an excellent warranty that lasts between three and four years.

Things we liked

  • Durable
  • Offers a lot of power
  • Faster recharge
  • Maintenance free
  • Excellent warranty

 

Things we didn’t like

  • This battery is heavy

 

Trojan Battery implements different eco-friendly features. It contains a high-density paste formula designed for high performance. So it is a good choice for your outboard motor.

It produces top of the line batteries that beat their competitors. It comes with a structurally sound battery that reduces the risk of corrosion and deterioration of parts. This battery comes with a longer run time than most of their competitors and lowers the operating costs.

A few things to consider when choosing this battery are the size, and the variety of the battery. This company does not have many models to choose from. So if you need a unique configuration, it may be unavailable in Trojan.

Things we liked

  • It has sustained performance
  • Eco-friendly features
  • High-density paste formula for high-performance
  • Comes with a longer runtime
  • Low risk of corrosion and deterioration of parts
  • Low operating costs

 

Things we didn’t like

  • Doesn’t have many options to choose from

 

Buying Guide: Best Battery for Outboard Motor

Here’s a list of things you need to consider before buying a battery for outboard motor.

 

Size

The size of the battery is an important thing to consider. So make sure it fits in your battery compartment. If you prefer smaller batteries with the best output possible, don’t forget to check the size.

 

Cold Cranking Amps

Find out the number of amps your battery comes with. It helps you to turn over the outboard engine. It’s important because it determines the battery that you need to get it started. Get a battery that has high CCA, and you will be able to turn it over easily.

 

Reserve Capacity

Reserve capacity provides the current draw to the accessories. The more reserve capacity your battery comes with, the more your boat can run before falling below the minimum voltage.

 

Battery Type

Most dual purpose marine batteries for outboard motor are the sealed AGM style, and they are the best choice for you. However, there are many Lead Acid marine batteries on the market as well, but they cannot provide the necessary CCA and deep cycling ability needed for large motors and electronics.

 

Final Thoughts

Now you know everything necessary about the best batteries for outboard motor on the market before you make your final decision. You can now easily choose the one that fits your needs and budget and avoid the ones that don’t provide your needs. So by reading this post, you have saved hours of vain searching for the best battery.

 

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