NOCO Genius G4 Battery Charger Review

NOCO Genius G4 6V/12V 4.4 Amp 4-Bank Smart Battery Charger

In this Noco Genius G4 Battery Charger review, we take a look at the G4’s features, capabilities, review summery, where to buy, and our recomendation.

The Noco Genius Battery Charger and Maintainer is a fully automatic charger that specializes in charging smaller sized storage cells, specifically those that range in size from 2.2Ah to 40Ah.

Storage cells of this size are typically found in recreational equipment such as snowmobiles, ATV’s, jet skis, and motorcycles which makes this product especially convenient for those consumers who have any recreational or farm equipment with storage cells that need regular charging.

Enjoy this video version of this review.

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Have a look at the spec sheet below: (click for larger view)

 genius g4 specs

 genius g4 specs2

The Noco Genius G4 can even be used on storage cells of a larger nature, such as those that are found in larger sized vehicles. These storage cells, which can be found in SUV’s , boats, and RVs, are typically 6V or 12V. The product allows for a number of different sized storage cells to charge simultaneously, specifically up to four storage cells simultaneously.

The Noco G4 is the perfect charger for any consumer that is looking to charge a number of different sized batteries at the same time.

Each battery is independently isolated and will be maintained at his highest performance level after it has reached its full charge. A battery is charged through a seven step process that includes diagnostics, recovery, soft start, bulk, absorption, trickle, and maintenance.

NOCO Genius G4 Battery Charger and Maintainer Features:



NOCO Genius G4 Battery Charger and Maintainer Review Summery:

noco genius g4

The best way to critique the effectiveness of the Noco G4 is to see how customers who have purchased the Noco G4 rate it after they’ve made their purchase.

The Noco Genius G4 has outstanding reviews from those customers who have purchased and used the NOCO Genius G4 Battery Charger on a regular basis.

Customers rave about the ability to effectively charge multiple batteries at the same time. The product also scored high with consumers on the ability to charge different sized storage cells and voltages at the same time, effectively and easily.

noco genius g4 6v/12v 4 bank battery chargerOther customers have commented on how easy the Noco Genius G4 is to hook up which means that it is user friendly for just about anyone. Customers rave about the ability to keep batteries charged with this product, and charged at their highest and most optimum level.

Batteries are always ready for use when using the Noco Genius G4 and consumers never have to worry about weakened or dead batteries when it is time for the batteries to be used.

With such incredible customer reviews, it is easy to highly recommend the Noco Genius G4 for purchase by anyone who has a need to store and charge multiple batteries or to have charged batteries readily on hand.

The Noco Genius G4 is automatic, easy to use, and does what it says it will do. All in all, a great product for those who have battery charging and storing needs.


Warranty Information  (click for larger view)

noco genius g4 warranty


Where To Buy

According to our research for this review, we have found the lowest price for the Noco Genius G4 at You can click the button below for a 16% discount and free shipping.


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Thanks For Visiting! Edward Verheyden

Edward Verheyden is the founder of He has a 30+ year mechanical background and is the main reviewer here. He lives in San Diego CA with is wife and two daughters.

Please let me know what you think of this review by “liking and sharing” or leave a thoughtful comment below.  Thanks!     …Eddie

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