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NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium

4.6 out of 5 stars 1,564 ratings
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Brand NOCO
Colour Black
Product Dimensions 14.5D x 25.1W x 27.4H Centimetres
Item weight 7.78 Pounds
Output voltage 12 Volts
Specification met CSA, UL, FCC
Input voltage 120 Volts
Charging time 40 Hours
Current rating 8 Amps
Global Trade Identification Number 00046221190434

About this item

  • MEET THE GENIUS2X4 — A four-bank battery charger for charging multiple batteries simultaneously. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator - for four batteries.
  • DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, Gel, SLA, VRLA) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.
  • ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.
  • CHARGE DEAD BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.
  • BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.
  • RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.
  • COMPATIBLE — Charges and maintains all types of vehicles, including cars, automobiles, motorcycles, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, classic cars, and more.
  • WHAT'S IN THE BOX — Includes a 8A four-bank charger, (4) 75-inch AC cables, (4) 21-inch battery clamps, and integrated eyelet terminals, (4) 10-foot DC extension cables, and a 3-year warranty. Proudly designed in the USA.

Frequently bought together

NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Ov
This item: NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium
$329.99
Get it by Sunday, Jun 29
In Stock
Ships from and sold by 鶹.ca.
+
NOCO GC002 X-Connect M6 Eyelet Terminal Accessory for NOCO Genius Smart Battery Chargers
$22.39
In Stock
Ships from and sold by 鶹.ca.
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NOCO GC009 X-Connect SAE Adapter Accessory for NOCO Genius Smart Battery Chargers
$17.99
In Stock
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Total price:$00
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Top Brand: NOCO

Highly Rated
100K+ customers rate items from this brand highly
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  10. Established in 1914, NOCO designs and creates premium consumer battery chargers, jump starters, lithium batteries, and a wide range of accessories. Through these world-class offerings, we have effectively set a new standard in design, performance, and safety. We aim to make exceptional products that provide consumers with the ultimate experience. We challenge conventionality and remain vigilant to the highest quality standards. We are NOCO.

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From the manufacturer

NOCO, GENIUS2X4, 4-Bank, 8-Amp, Smart Charger, 6V, 12V, Battery Charger, Maintainer, Desulfator

GENIUS2X4

GENIUS2X2

GENIUS1

GENIUS2

GENIUS5

GENIUS10

Customer Reviews
4.6 out of 5 stars 1,564
4.7 out of 5 stars 3,322
4.6 out of 5 stars 53,836
4.6 out of 5 stars 16,397
4.6 out of 5 stars 18,381
4.6 out of 5 stars 18,336
Charging Current
8 Amps 4 Amps 1 Amp 2 Amps 5 Amps 10 Amps
Number of Banks
4 2 1 1 1 1
Battery Capacity
40Ah x 4 Banks 40Ah x 2 Banks 30Ah 40Ah 120Ah 230Ah
Output Power
30W x 4 Banks 30W x 2 Banks 15W 30W 75W 150W
12V Repair Mode
✘ ✘ ✘ ✘ ✔ ✔
12V Supply Mode
✘ ✘ ✘ ✘ ✘ ✔
6V AGM Mode
✘ ✘ ✘ ✘ ✘ ✔

Product description

The GENIUS2X4 is the ultimate four-bank battery charger, designed to charge and maintain multiple batteries simultaneously with unmatched versatility and precision. As an all-in-one solution, it functions as a battery charger, maintainer, trickle charger, and desulfator for two 6-volt or 12-volt lead-acid and lithium-ion (LiFePO4) batteries (up to 40 amp-hours). Its advanced thermal sensor automatically adjusts charging based on ambient temperature, preventing overcharging in hot climates and undercharging in cold ones. The GENIUS2X4 can charge batteries from as low as 1 volt and offers a Force Mode for manual charging of completely dead batteries (as low as zero volts). Featuring smart monitoring, it ensures safe, indefinite connection for long-term battery maintenance, while precision pulse charging restores battery health by reversing sulfation and acid stratification. It is compatible with a vast array of vehicles, such as cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, snowmobiles, golf carts, classic cars,and more; including automotive brands like BMW, Mercedes-Benz, Porsche, Bentley, Maserati, Lexus, Audi, Ford, Chevrolet, Corvette, Cadillac, Prius, Toyota, Subaru, Nissan, powersport vehicles such as Harley-Davidson, Honda, Yamaha, Kawasaki, Ducati, Indian, KTM, Husqvarna, Vespa, Polaris, Seadoo, as well as lawn and garden vehicles such as John Deere, Kubota, Toro and more. The package includes a 8A four-bank charger (120-240VAC), four 75-inch AC cables (US, UK, EU, and AU), four 21-inch battery clamps with integrated eyelet terminals, four 10-foot DC extension cables, and a three-year warranty. Proudly designed in the USA, the GENIUS2X4 offers unparalleled performance and reliability for all your charging needs.

Product information

Technical Details

Manufacturer ‎NOCO
Place of Business ‎NOCO, 30339 Diamond Parkway, #102, Glenwillow, OH 44139 USA
Brand ‎NOCO
Model ‎GENIUS2X4
Product Dimensions ‎17.7 x 13.49 x 27.41 cm; 3.53 kg
Item model number ‎GENIUS2X4
Batteries ‎1 Unknown batteries required.
Is discontinued by manufacturer ‎No
Exterior ‎Painted
Manufacturer part number ‎GENIUS2X4
Special features ‎4-Bank Battery Maintainer, Trickle Charger And Battery Desulfator, Spark-Proof and Reverse Polarity Protection, Force Mode For Manual Battery Charging, Battery Charger For Cars, Motorcycles, ATV, And Lawnmowers, Temperature Compensation For Accurate Recharging
Item Weight ‎3.53 kg
Country of origin ‎China

Additional Information

ASIN B08FYS6CL8
Customer Reviews
4.6 out of 5 stars 1,564 ratings

4.6 out of 5 stars
鶹 Rank
Date First Available Aug. 16 2020

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NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium

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NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium
NOCO GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium
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Price$329.99$232.95$219.95$664.99$383.48$329.99
Delivery
Get it by Sunday, Jun 29
Get it by Sunday, Jun 29
Get it by Sunday, Jun 29
Get it by Sunday, Jun 29
Get it by Sunday, Jun 29
Get it by Sunday, Jun 29
Customer ratings
4.64.6 out of 5 stars1,564
5.05.0 out of 5 stars1
4.64.6 out of 5 stars5,700
4.64.6 out of 5 stars941
4.64.6 out of 5 stars1,408
4.54.5 out of 5 stars3,054
Sold by
output voltage
input voltage
battery charge time
specification met

Customer reviews

4.6 out of 5 stars
1,564 global ratings

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Customers say

Customers like the capacity, performance, and quality of the battery charger. They mention it works well, maintains the batteries year-round, and is easy to use.

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CapacityPerformanceQualityBattery lifeEase of use
13 customers mention "Capacity"13 positive0 negative

Customers like the capacity of the battery charger. They mention it's great, intelligent, and ideal for charging multiple batteries at the same time.

"Great trickle charger and maintainer. Good brand also" Read more

"Great charger." Read more

"...Great intelligent charger to charge 4 at the same time." Read more

"Absolutely amazing!! Can charge 4 batteries at once over the off seasons!!" Read more

12 customers mention "Performance"12 positive0 negative

Customers are satisfied with the performance of the battery charger. They mention it works well, has all wiring options included, and is absolutely amazing.

"Works great with all wiring options included." Read more

"Good product. Works well." Read more

"Great system. Easy to use and works well" Read more

"This product worked amazing for two years and then half of it stopped working. then had issues with other half which lead to batteries not working." Read more

12 customers mention "Quality"12 positive0 negative

Customers are satisfied with the quality of the battery charger. They mention it appears to be a quality item and a good brand.

"Good product. Works well." Read more

"Great trickle charger and maintainer. Good brand also" Read more

"Really good unit. Somehow it knows what your battery is and charges it accordingly...." Read more

"This is one excellent product! We have to keep 8 12 volt batteries ready for our own RV and our backups that we use when out on a service call...." Read more

11 customers mention "Battery life"8 positive3 negative

Customers like the battery life of the product. They mention it maintains the batteries year-round, keeps them charged all winter, and retests the battery every so often. Customers also say it works perfect for multiple batteries without having to organize individual chargers. They also say it's versatile for a wide range of battery types.

"Versatile for a wide range of battery types...." Read more

"...good quality RV battery, you can keep 4 of them conditioned and charged year round...." Read more

"This product worked amazing for two years and then half of it stopped working. then had issues with other half which lead to batteries not working." Read more

"Works perfect for multiple batteries without having to organize individual chargers." Read more

9 customers mention "Ease of use"9 positive0 negative

Customers like the ease of use of the battery charger. They mention it's easy to install, hook up, and trickle charge away.

"Great system. Easy to use and works well" Read more

"This is awesome. Helps save a bunch of your batteries. Hook them all up at once and trickle charge away. Very easy to use. Recommended for sure." Read more

"Easy to use and charging 4 batteries at the same time...." Read more

"Extremely easy to use and set up, very good quality." Read more

So far so good
5 out of 5 stars
So far so good
Easy to use and charging 4 batteries at the same time. I charged 2x 6v golf cart batteries and 2x 12v car/truck batteries all at the same time without issue. I havent tried charging a Lion batteries yet(i dont have). So far it is working as it should be for me for almost a month now. Great intelligent charger to charge 4 at the same time.
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Top reviews from Canada

  • Wallace Brake
    5.0 out of 5 stars Great rig for keeping off season batteries charged
    Reviewed in Canada on June 16, 2025
    Verified Purchase
    Excellent for keeping off season batteries on charge (snowmobile batteries in summer and ATV batteries in winter come off my machines and stay on the charger for the off season). I have revived several batteries that appeared to be dead but came back on charge after staying on the charger for several days. Had this for a couple of years now and very happy with the purchase.
    Helpful
     Report
  • Debra Carey
    5.0 out of 5 stars Great Chargr
    Reviewed in Canada on May 26, 2025
    Verified Purchase
    Works great with all wiring options included.
    Helpful
     Report
  • Jeff McDonald
    5.0 out of 5 stars Good product, works well.
    Reviewed in Canada on April 20, 2025
    Verified Purchase
    Good product. Works well.
    Helpful
     Report
  • Guy Bridger
    5.0 out of 5 stars Great
    Reviewed in Canada on March 2, 2025
    Verified Purchase
    Great trickle charger and maintainer. Good brand also
    Helpful
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  • A
    5.0 out of 5 stars This thing is awesome!
    Reviewed in Canada on January 1, 2025
    Verified Purchase
    Really good unit. Somehow it knows what your battery is and charges it accordingly. I swapped all my bikes to their quick connect so i didn't have to screw around with the clamps
    Helpful
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  • WK
    4.0 out of 5 stars Instructions
    Reviewed in Canada on March 8, 2025
    Verified Purchase
    It would be nice you have better instruction.
    Helpful
     Report
  • Danny D
    5.0 out of 5 stars Ease of use
    Reviewed in Canada on January 31, 2025
    Verified Purchase
    Great system. Easy to use and works well
    Helpful
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  • Ottawa Valley RV
    5.0 out of 5 stars Wouldn't be without it now
    Reviewed in Canada on February 8, 2024
    Verified Purchase
    This is one excellent product!
    We have to keep 8 12 volt batteries ready for our own RV and our backups that we use when out on a service call. You'd be surprised at the number of clients that call us because their 12 volt system isn't working. Check their battery and it's deader than a door nail. We hook up one of our well kept batteries and voila folks!

    We obviously bought 2 of the chargers and wouldn't be without them.. ever!

    They don't hit the hydro hard which is great as we leave them on all the time as needed.
    Helpful
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Top reviews from other countries

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  • gunny
    5.0 out of 5 stars worth the investment
    Reviewed in the United Kingdom on February 7, 2024
    Verified Purchase
    Bought this charger last year although never used it, my BMW charger went wrong and kept saying there was a fault with the car battery. plugged this in and no problem, i now leave 2 cars on charge all the time,
    Report
  • Ersen Güventürk
    5.0 out of 5 stars 10 numara 5 yıldız ürün
    Reviewed in Turkey on June 15, 2023
    Verified Purchase
    Ürün efsane. Çok beğendim tavsiye ederim…
    Report
  • FedeR
    5.0 out of 5 stars Ottimo caricatore
    Reviewed in Italy on July 12, 2024
    Verified Purchase
    Carica batterie professionale consigliato
    Customer image
    FedeR
    5.0 out of 5 stars
    Ottimo caricatore

    Reviewed in Italy on July 12, 2024
    Carica batterie professionale consigliato
    Images in this review
    Customer image
    Report
  • Norbert Dambmann
    5.0 out of 5 stars Einfach und genial
    Reviewed in Germany on December 19, 2024
    Verified Purchase
    Das Ladegerät ist in seiner Funktionalität und der Betriebssicherheit genial einfach.
    Habe vier verschiedene Batterien angeschlossen, das Gerät hat alle erkannt und geladen.
    es ist sein Geld wert und ich empfehle es ohne Einschränkung weiter.
    Report
  • MvF Family
    5.0 out of 5 stars Extension cables come with it for easy routing and keeps our 4 vehicles at peak charge.
    Reviewed in the United States on March 25, 2025
    Verified Purchase
    What a great product. We use this for our "not so often used vehicles" in our garage. We had the issue of our vehicles not being ready to drive when we wanted to take them out for a weekend spin or up to a local car show due to drained batteries. This eliminates the issue by maintaining a full charge. The multiple ports are awesome and the extension cables make routing a breeze. The size and compact design make it look great and a nice addition to our garage. I also use it for our other lawn, atv and other batteries. Simply connect and it's intelligent system detects the battery type, size and charging needs. Shuts off automatically and will turn back on if it detects a voltage drop. Love this thing!
    Report