Search  for anything...
NOCO

NOCO Genius GEN5X3, 3-Bank, 15A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries

    • Based on 3,039 reviews
Condition: New
Checking for product changes
$174.96 Why this price?

Buy Now, Pay Later

As low as $29.16 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Feb 1
Order within 1 hour and 13 minutes
Available payment plans shown during checkout

Features

  • Meet the GEN5X3 - Similar to our GENM3, only better. It's 37% smaller and delivers 43% more power. It's one of the best performing onboard marine battery chargers we have ever made.
  • Multiple banks - A three-bank onboard battery charger rated a 15-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.
  • Charging modes - Independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
  • Redefined mounting - A simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.
  • Designed for water - A fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
  • What's in the box - GEN5X3 15-amp 3-bank waterproof onboard marine battery chargers (120-240VAC) with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, (2) self-tapping mounting screws, user guide, and 3-year warranty.

Description

Introducing the GEN5X3, our most rugged, compact, and powerful, onboard marine battery charger we have ever made. The GEN5X3 is designed to charge and maintain up to three (3) 12-volt lead-acid and lithium-ion batteries, including flooded, gel, AGM, and deep-cycle batteries. Each 12-volt battery bank provides up to 5-amps of pure charging power, plus doubles as a battery maintainer and battery desulfator. Included is a GEN5X3 15-Amp 3-Bank Waterproof Onboard Marine Battery Chargers (120-240VAC), Self-Tapping Mounting Screws, User Guide, 3-Year Warranty and certified to UL1236, ISO 8846, and 33 CFR 183.410. Other commonly used search terms: marine charger, boat charger, marine battery charger, boat battery charger, onboard charger, onboard battery charger, onboard battery maintainer, onboard trickle charger, onboard marine battery charger, marine onboard battery charger, onboard boat battery charger, battery charger onboard, automatic onboard battery charger, fully automatic onboard battery charger, onboard battery charger 12v, onboard battery charger 12 volt, smart marine battery charger, 12v marine battery charger, 12 volt marine battery charger, battery charger for marine battery, boat battery trickle charger, boat onboard battery charger, deep cycle battery charger marine, fishing boat battery charger, bass boat battery charger, battery charger for boat, marine deep cycle battery charger, 12v marine charger, 12 volt marine charger, onboard battery charger maintainer, waterproof battery charger, onboard waterproof battery charger, onboard waterproof marine battery charger, onboard marine battery charger 3 bank, three bank onboard marine battery charger, onboard battery charger 3 bank, three bank onboard battery charger, marine onboard battery charger 3 bank, three bank battery charger marine, 3 bank marine battery charger, marine battery charger 3 bank, 3 bank battery charger for boat, boat battery charger 3 bank.

Brand: NOCO


Color: Black


Product Dimensions: 10.08"D x 8.86"W x 5.63"H


Item Weight: 6.09 Pounds


Output Voltage: 12 Volts


Product Dimensions: 10.08 x 8.86 x 5.63 inches


Item Weight: 6.09 pounds


Item model number: GEN5X3


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: Saturday, Feb 1

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Compact and durable enough to be an on board charger!
Color: Black Size: 15A (5A per Bank)
Review Image by Someone who has bought different sets of these things Someone who has bought different sets of these things
Review Image by Someone who has bought different sets of these things Someone who has bought different sets of these things
Review Image by Someone who has bought different sets of these things Someone who has bought different sets of these things
Purpose: -Using this as an on board charger for my 36v 00' EZGO TXT Gold Cart. Charging: Three 12v Lithium LiFePO4 batteries Location: Mounted to the underside of the drivers seat. Note: Works very well at charging. When I initially used it (on new batteries) it took about 8hrs to get them all way charged. Slight warning that it did get pretty hot the first few hours. Ever since though, hasn't taken as long to charge because I haven't run them down that low yet. I do like that it will stop the charging on each individual battery when they are fully charged. It doesn't charge them all in a a few hours but it is plenty fast and leaps and bounds better than my old one. Impressions: Compact Durable Smart Gets somewhat hot Worth the money **The electrical tape was a choice and not a necessity** ... show more
Reviewed in the United States on July 10, 2024 by Someone who has bought different sets of these things Someone who has bought different sets of these things
    • great Li charger
Color: Black Size: 15A (5A per Bank)
Last year we purchased Li batteries for my trolling motor. Didn't know that you need a Li charger too. I had a portable one but it needed to be switched to charge both batteries. This eliminated all the swapping hooking up and unhook each time I wanted to go fishing. It also charges my starting lead acid battery too all with only one plug. Works great! It also maintains all three batteries automatically and remembers the last setting, so I don't have to get into the boat each time I charge. Great value for the price. Install depends on your boat and how easy or hard it is to run wires. I did have to lengthen the wires to the starting battery as it is in the very back of the boat. The charger also tells you if you switched the wire polarity. I did have to install a switch between the two Li batteries. As this doesn't charge a 24V system but will charge each battery separately. Just need to remember to switch it back to 24V when using the trolling motor and then back to 2x 12V when charging. ... show more
Reviewed in the United States on June 25, 2024 by Outdoorsman Extrodinare
    • Straight forward installation.
Color: Black Size: 15A (5A per Bank)
Review Image by Chuck Hensley Chuck Hensley
Review Image by Chuck Hensley Chuck Hensley
Works well. Had to run extra lines to my starting battery at the end of the boat. Be aware that NOCO recommends leaving the fuse at the charger when splicing line in. I added a second fuse at the battery to protect it. No issues so far with the charger. Also installed a NOCO waterproof plug that made it easy to plug the charger in, a must for pontoon owners. ... show more
Reviewed in the United States on August 26, 2024 by Chuck Hensley Chuck Hensley
    • Must have for 24v trolling motor conversion
Color: Black Size: 15A (5A per Bank)
I recently converted my boat to a 24-volt system, which of course, required adding a third battery. I've had good luck with my two-bank Noco charger that came stock in the boat for the past three years, so decided to move up to the three bank system. One great thing about the charger is that it fit the same footprint as my two-bank, so it bolted right in to where the old one was fit from the factory, no drilling of new holes required. I also like the fact that if I decide to upgrade to lithium at some point, I won't have to upgrade the charger again. The display is very easy to read and much clearer than the two bank that it replaced. At a glance, I can tell exactly where all of my batteries stand. I've only had it a couple of months, but it's performed very well in that time, and I expect it will continue to do so. ... show more
Reviewed in the United States on March 27, 2024 by F. Phillips
    • nice
Color: Black Size: 15A (5A per Bank)
works great
Reviewed in the United States on January 15, 2025 by Darryl
    • NOCO Genius GEN5X3, 3-Bank, 15A
Color: Black Size: 15A (5A per Bank)
I see it had some mixed reviews on it. Bit this unit replace the 2-bank charger from the same company. Didn't have any trouble with that one. So, I took the chance on these 3 banks. Install was easy very easy to see what the charge state of each batter is. This is really nice for me on my bass boat it attaches on a bracket way in back of the bulkhead I 'm able to open the bay door and look inside to see the lights. It will charge all three types of batteries. and they can be mixed to what you have. Each back has its own sperate pad to let you select the battery type. I had this unit for over a mouth so far so good. I will review if state changes. ... show more
Reviewed in the United States on May 12, 2024 by Matt
    • Best chargers!
Color: Black Size: 15A (5A per Bank)
Thing just rocks. Have a lead acid starting, agm deep cycle, and big house lithium all on same charger. Just plug in and forget.
Reviewed in the United States on December 28, 2024 by Ryan
    • Made we’ll.
Color: Black Size: 15A (5A per Bank)
Made very well. Good choice for marine use.
Reviewed in the United States on December 18, 2024 by Dan

Can't find a product?

Find it on Amazon first, then paste the link below.