3 Best Marine Battery Switch In 2017 | Reviews & Buying Guide

Editor’s Recommendations  3 Best Marine Battery Switch Comparison 

Picture

Product Name

Style Name

Best Sellers Rank

Further Info

Blue Sea Systems m-Series

On-Off w/Knob

Best Sellers Rank

BEP Battery Switches

On-Off

Best Sellers Rank

Perko 8501DP

Best Sellers Rank

Marine battery switches are necessary, especially for those that love to go boating. But even with this necessity, many boat owners still don't know the use of these devices while traveling on water. The best marine battery switch can keep your every boating experience trouble-proof. At the same time, these tools can save you from being stuck alone in the water.

A marine battery switch is a device that enables you to one battery to another without connecting any wires. This equipment is essential if you are bringing a lot of electric-powered devices such as radios, fish finders and so on. The best trolling motor needs these switches too! Hence, if you are out in the sea, these switches have a guarantee to extend the power of your batteries.

Switching one battery to another is a great way to extend their lifespan. If properly used, this device will enable you to utilize your batteries under its recommended usage.

A battery contains battery acid and lead sulfate inside it. These two are some of a battery's key components for it to store power and charge. If you don't use a battery often, its performance will deteriorate.

Once this happens, charging will be challenging and shorter. In fact, you can likewise notice this even to your phone batteries. A damaged cell phone battery quickly charge but runs out of power faster too!

Hence, it is recommended to switch batteries while you are boating. By doing so, you will prevent one battery from being fully discharged. Therefore, having the best marine battery switch is a necessity. The best marine battery switch is a perfect partner for the trolling motor battery and deep cycle marine battery.  

3 Best Marine Battery Switch Reviews:

[1] Blue Sea Systems m-Series Battery Switches

If continuous performance is your requirement, the Blue Sea Systems Battery Switch Selector is the right device for you. This marine battery switch can give you reliable power supply, which is useful especially for long trips. Switching between batteries is convenient and uninterrupted, thanks to its dual circuit technology.

Do not worry if you are using a gasoline-operated boat. This is because the Blue Sea Systems Battery Switch Selector has a protective feature against ignition. Installing it on your boat is also easy-peasy too!

Moreover, this marine battery switch is 1P66 waterproof. Also, it is ISO-8846 certified and has passed the ABYC quality control requirement.

The Blue Sea Systems Battery Switch Selector runs 350A per circuit and has a maximum voltage of 32V DC. 

Pros & Cons

Pros

  • Reliable power supply;
  • Useful especially for long trips;
  • Dual circuit technology;
  • Waterproof;
  • Two isolated battery banks;
  • ​High quality plastic;

Cons

  • No noticeable cons;

[2] Marinco 701 Battery Disconnect Switch

As a marine battery switch, the Marinco 701 Battery Disconnect Switch has a lot to flaunt. One of these is its Contour Locking System that allows this device to stand alone or connect with other switches. This technology has a patent, so there is a guarantee that there are no other brands out there that have the same feature.

This battery switch has a removable control knob that has an interchangeable labeling system. These two technical feats allow this device to run different applications simultaneously. If you want to remove the control knob, just switch it into a 45-degree counterclockwise position. The side plates are also removable too, to cater up to 10 cables.

The Marinco 701 Battery Disconnect Switch prevents any short circuits due to the insulation on its rear cover.

Moreover, this battery switch meets the ABYC quality control requirements. 

Pros & Cons

Pros

  • Contour Locking System;
  • Run diffrent application easily;
  • Side plate are removeable;
  • Has chort circuits preventor;

Cons

  • No noticeable cons;

[3] Perko 8501DP Marine Battery Selector

The Perko 8501DP Marine Battery Selector is a great partner for boats that utilize more than two batteries. This device is usable either by single or dual systems. These two systems will allow you to choose which battery you will ulitize for different operations. Hence, you have the freedom to choose what battery will be used for starting the engine, for charging, and for operating your other devices.

If you batteries are under 50V, 360 amp intermittent, or 250 amp continuous, this battery switch can allow you to run your batteries in parallel. You can do this operation by just changing the dials. The Perko 8501DP Marine Battery Selector also passed the ABYC requirements. 

Pros & Cons

Pros

  • Usuable in single and dual system;
  • ​Easy installable and flexible;
  • ​Works great;

Cons

  • No noticeable cons;

How to Wire a Battery Switch Boat Diagram

Marine batteries are always necessary for electrically-operated gadgets and equipment. For motor boats, knowing how to wire a battery switch will ensure the smooth operation of this marine vehicle.

Different systems require a different setup. For example, a 2-Battery 1-Engine system has three ways of battery switch wiring. First, you can change isolated batteries to all loads, or you can combine these cells to all loads. Second, you can do the first wiring setup, but this time, you have to them simultaneously. The third wiring configuration is to isolate a weak or failing battery.

Aside from a battery switch, you will also need an Automatic Charging Relay to do a successful wiring.

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