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NOCO - GENIUS1: 1A Smart Battery Charger – 6V/12V – Automatic Maintainer & Trickle Charger – For Lead-Acid & Lithium

Model: GENIUS1
SKU: 10409664
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About this product

The GENIUS1 is the ultimate all-in-one solution for battery charging, maintenance, and restoration, delivering 35% more power in a 35% smaller design compared to its predecessor, the G750. Designed for 6-volt and 12-volt lead-acid (AGM, gel, flooded, and deep-cycle) and lithium-ion (LiFePO4) batteries (up to 30 amp-hours), 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. Featuring an integrated thermal sensor, the GENIUS1 adjusts its charging profile based on ambient temperature, ensuring optimal performance by eliminating the risk of overcharging in hot climates and undercharging in cold ones. It's capable of charging batteries as low as 1 volt and offers a Force Mode for manually charging completely dead batteries (as low as zero volts). With precision pulse charging, the GENIUS1 restores battery health by reversing sulfation and acid stratification, improving performance and extending battery life. Its advanced monitoring system allows for safe, indefinite connection, making it perfect for long-term maintenance. The package includes a 1A charger (120-240VAC), a direct wall plug-in, 110-inch DC cable with battery clamps and integrated eyelet terminals, all backed by a three-year warranty. Proudly designed in the USA, the GENIUS1 combines power, reliability, and convenience in a compact design to keep your batteries ready for whatever lies ahead.

Features
  • MEET THE GENIUS1

    Similar to our G750, just better. It's 35% smaller and delivers over 35% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.

  • 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.

See all features
Specifications
  • Brand
    NOCO
    Model Number
    GENIUS1
    Product Name
    NOCO GENIUS1: 1A Smart Battery Charger – 6V/12V – Automatic Maintainer & Trickle Charger – For Lead-Acid & Lithium
    Amperage
    1
    Voltage
    6V and 12V
    Compatible Battery Type
    Lead acid, Lithium-ion
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Reviews

Rating 0 out of 5 stars with 0 reviews

0% would recommend to a friend

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Excellent charger

    The NOCO Genius1 is a compact, reliable little charger that does exactly what it promises. It’s perfect for maintaining smaller batteries like those in motorcycles, lawn equipment, or seasonal vehicles, and it can safely be left connected without worrying about overcharging. I really like the safety features (spark-proof, reverse polarity protection) and the fact that it can even bring back low-voltage batteries using its repair/force mode. That said, at only 1 amp it charges slowly—great for maintaining, but if you’re trying to revive a large car or truck battery, expect it to take quite a while. The LED indicators are clear enough, but a digital display with more detailed feedback would have been nice.

    Posted by AlonsoD

  • Rated 5 out of 5 stars

    Real Genius

    Great compact charger, easy to use, handy visuals for charging rate.

    Posted by Lighter

  • Rated 5 out of 5 stars

    Very good

    Very good Item, Charge so very fast take care my lawn mower alway full battery

    Posted by ThienP

  • Rated 5 out of 5 stars

    The Cadillac for tenders

    I have a lot of cars and use these constantly. This is my 11th one and I have kept them plugged in 24/7 for years w/o a hitch. The best

    Posted by RajP

  • Rated 5 out of 5 stars

    Compact and great design

    Works great, came in handy. This model you can unscrew the clips and use the screws directly to your battery making quick disconnect and connection super easy

    Posted by TSJj

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Pros for NOCO - GENIUS1: 1A Smart Battery Charger – 6V/12V – Automatic Maintainer & Trickle Charger – For Lead-Acid & Lithium
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Specs

Questions & Answers
  • If the electricity goes out, does it have to be reset?

    No, the GENIUS1 will pick up where it left off automatically once power is restored.

    Answered by NOCO Product Expert
    NOCO Product Expert response
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