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NOCO Genius GENPRO10X3: 3-Bank, 30A Onboard Battery Charger - 10A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

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Availability: In Stock.
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Arrives Thursday, Jun 26
Order within 22 hours and 44 minutes
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Size: 30A (10A per Bank)


Features

  • MEET THE GENPRO10X3 27% smaller and 33% more powerful than the GEN3. Its our most compact and advanced onboard charger yet - engineered for peak performance in the harshest marine environments.
  • MULTIPLE BANKS A three-bank onboard battery charger rated at 30 amps total - 10 amps per bank. Independently charge 12V batteries in marine, boat, starter, and deep-cycle systems.
  • CHARGING MODES Selectable modes for each bank: 12V, 12V AGM, 12V Lithium, and 12V Repair Mode. Independently charge and maintain all types of lead-acid and lithium-ion batteries with precision.
  • ENJOY PRECISION CHARGING An integrated thermal sensor adjusts charging based on ambient temperature, preventing overcharging in heat and undercharging in cold for optimal battery performance.
  • CHARGE DEAD BATTERIES Charge batteries from as low as 1 volt, or use Force Mode to manually begin charging batteries down to zero volts to recover deeply discharged or neglected batteries.
  • REDEFINED MOUNTING A simplified mounting system allows for fast, secure installation in any orientation - even upside down - with an integrated anti-vibration backing to isolate shock and noise.
  • DESIGNED FOR WATER A fully-sealed onboard charger rated IP68 for waterproof protection. Survives brutal life cycle testing, including thousands of hours underwater in the harshest marine conditions.
  • WHATS IN THE BOX GENPRO10X3 30A 3-bank onboard charger with 72-inch DC cables and 3/8-inch eyelets, 72-inch AC cable (Type-B), and two mounting screws. Backed by a 3-year warranty and engineered in the USA.

Description

The NOCO GENPRO10X3 is a fully-sealed, waterproof onboard battery charger rated at 30 amps total—10 amps per bank—designed to independently charge and maintain up to three 12-volt batteries. Optimized for lead-acid and lithium- ion batteries, including flooded, AGM, gel, and LiFePO₄ chemistries, it’s 27% smaller and 19% more powerful than the previous-generation GEN3, delivering best-in-class performance in a compact, rugged housing. Each of the three banks operates independently, allowing you to charge multiple battery types or states simultaneously, with selectable charging modes including 12V, AGM, Lithium, and Repair Mode. An integrated thermal sensor constantly monitors ambient temperature and adjusts the charging profile to prevent overcharging in heat or undercharging in cold—ensuring maximum battery life and performance. For batteries discharged below 1 volt, Force Mode enables manual charging down to zero volts, giving you the ability to recover deeply neglected batteries that traditional chargers cannot detect. Engineered for harsh marine and outdoor environments, the GENPRO10X3 features an IP68 waterproof rating and has undergone extensive life cycle testing under submerged conditions. A redesigned mounting system enables quick, secure installation in any orientation—even upside down—and includes an anti- vibration backing to reduce shock and noise. The GENPRO10X3 comes with 72-inch DC cables with 3/8-inch eyelets, a 72-inch Type-B AC cable, two mounting screws, and a user guide. It is backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for ignition protection and marine compliance.

Brand: NOCO


Color: Black


Product Dimensions: 2.83"D x 10.51"W x 8.11"H


Item Weight: 13.4 Pounds


Output Voltage: 12 Volts


Product Dimensions: 2.83 x 10.51 x 8.11 inches


Item Weight: 13.43 pounds


Item model number: GENPRO10X3


Date First Available: August 17, 2020


Department: unisex-adult


Manufacturer: NOCO


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great product great company!
Size: 30A (10A per Bank)
Ok a little over 2 years of owning this product it charges batteries up like it's supposed to and has plenty of extra wire to allow for some nice clean routing! It worked like a charm until I forgot to put the plug in my boat and it submerged for a few minutes after that the charger didn't work properly. I had a few emails back and forth wit their warranty dept. They issued me an rma number and 2 weeks later, between me shipping to them and them looking over my old unit. I got a new one in the mail. This company has helpful employees quality products and it appears they stand behind it!! With all that said there isn't enough stars to give them on this review!! They are awesome! ... show more
Reviewed in the United States on June 7, 2025 by Joshua Haygens

  • Good quality, long connection leads for batteries, fuse protected with micro blade fuses
Size: 30A (10A per Bank)
Upgraded to lithium batteries for my 36v trolling bank so had to change out the charger for lithium compatible unit. Much smaller and lighter than 2007 Lund factory three bank charger. Leads were plenty long to connect batteries which are in two compartments. Both legs of charger leads are fused with micro blade fuses, not sure why both legs but sure can’t hurt anything protecting both positive and negative sides. Cables and terminals appear to be good quality. Simple set up to configure to lithium charge profile. Bluetooth BMS on batteries showed just shy of 10 amp charge coming into each battery, so seems to charge as designed. Switched to maintenance mode after each were fully charged. Three year warranty is nice on a boat electrical part. ... show more
Reviewed in the United States on April 12, 2025 by Matthew B.

  • Excellent Product
Size: 30A (10A per Bank)
Just what I needed, Thanks
Reviewed in the United States on May 1, 2025 by Al G.

  • Built like a tank!
Size: 30A (10A per Bank)
I purchased this multi-battery charger for use on my live aboard sailboat. I have a lead acid dual purpose batter for starting her diesel auxiliary and a dual LiFePo4 house battery bank. This charger will replace the old charger which wasn't suitable for the LiFePo4 batteries. 1) it is one solidly built charger! I feel confident it will be up to the task of keeping my electrical storage banks charged. 2) can charge three batteries (lead acid, AGM, and lithium) at the same time. 3) the instructions are easy to follow. This is certainly not a detractor but I do wish there were a way to connect the charger to my boat's AC power panel without voiding the warranty by cutting the three prong plug off of the power cord. I could, alternatively, wire a wall type plug from the power panel to plug the charger in but I would much prefer to hard wire it to one of the AC circuit breakers. I could also plug it into a DC to AC inverter. I'll have to ponder this a bit. But all in all I am, so far, happy and satisfied with this purchase and that it will meet my needs on the boat. Once I have it installed I will update my review with performance results. Update: I've had the charger connected and working on my boat in the local marina. It does it's job wonderfully. Keeps my house and starter batteries topped off and ready for use. I have no regrets with purchasing this battery charger and would recommend it to anyone looking for a quality product to maintain their boat and/or RV batteries. ... show more
Reviewed in the United States on May 2, 2024 by Ukukat

  • NOCO GENPRO10X3: Your Batteries' Winter Survival Plan
Size: 30A (10A per Bank)
The NOCO Genius GENPRO10X3 is a lifesaver for keeping my expensive batteries in top shape through the off-season. With 3 banks and 10A per bank, it charges efficiently and maintains each battery perfectly. I no longer worry about my boat or marine equipment sitting idle all winter—this charger ensures everything is ready to go when the season returns. The smart technology takes all the guesswork out, and the rugged build gives me confidence it can handle the job. If you want to extend the life of your batteries and avoid costly replacements, this is the charger to get! ... show more
Reviewed in the United States on October 22, 2024 by Han Shopped First

  • This is a great charger
Size: 30A (10A per Bank)
I just changed from Lead Acid to lithium batterys, the greatesr thing is I did not have to get a new charger. I think the only improvement would be if the charger had two levels for rate of charge, I like tp slow charge mine if I dont plan on going out soon but like to quick charge them if I am going right back out. ... show more
Reviewed in the United States on October 13, 2024 by Michael Mansell

  • Programmable for AGM & LiFeP04
Size: 30A (10A per Bank)
Love this charger. 3 banks. 2 programmed for lithium trolling motor batteries and one programmed for AGM cranking battery. Sweet. Used for a couple of years now, no issues.
Reviewed in the United States on December 12, 2024 by GeneG

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