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NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

4.6 out of 5 stars 18,343 ratings

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Purchase options and add-ons

Brand NOCO
Colour Black
Product Dimensions 11.4D x 11.2W x 23.1H Centimetres
Item weight 3.99 Pounds
Output voltage 12 Volts
Specification met CSA, FCC, UL
Input voltage 120 Volts
Charging time 240 Hours
Current rating 10 Amps
Global Trade Identification Number 00046221190052

About this item

  • MEET THE GENIUS10 — Similar to our G7200, just better. It's 17% smaller and delivers over 115% 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.
  • 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 10A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA.

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Top Brand: NOCO

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From the manufacturer

GENIUS10, 6V, 12V, charger, maintainer, desulfator, lead-acid batteries, 230 amp-hours, repair mode

GENIUS10

GENIUS1

GENIUS2

GENIUS5

Customer Reviews
4.6 out of 5 stars 18,343
4.6 out of 5 stars 53,857
4.6 out of 5 stars 16,404
4.6 out of 5 stars 18,392
Charging Current
10 Amps 1 Amp 2 Amps 5 Amps
Battery Capacity
230Ah 30Ah 40Ah 120Ah
Output Power
150W 15W 30W 75W
12V Repair Mode
12V Supply Mode
6V AGM Mode

Product description

The GENIUS10 is the ultimate all-in-one solution for battery charging, maintenance, and restoration, delivering 17% more power in a 115% smaller design compared to its predecessor, the G7200. Designed for 6-volt and 12-volt lead-acid (AGM, gel, flooded, and deep-cycle) and lithium-ion (LiFePO4) batteries (up to 230 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 GENIUS10 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 GENIUS10 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 10A charger (120-240VAC), 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket and screws, all backed by a three-year warranty. Proudly designed in the USA, the GENIUS10 combines power, reliability, and convenience in a compact design to keep your batteries ready for whatever lies ahead.

Product information

Technical Details

Manufacturer ‎NOCO
Place of Business ‎NOCO, 30339 Diamond Parkway, #102, Glenwillow, OH 44139 USA
Brand ‎NOCO
Model ‎GENIUS10
Product Dimensions ‎11.38 x 11.2 x 23.11 cm; 1.81 kg
Item model number ‎GENIUS10
Batteries ‎1 Lithium Metal batteries required.
Is discontinued by manufacturer ‎No
Exterior ‎Machined
Manufacturer part number ‎GENIUS10
Special features ‎Spark-Proof and Reverse Polarity Protection, Force Mode For Manual Battery Charging, Battery Maintainer, Trickle Charger And Battery Desulfator, Battery Charger For Cars, Motorcycles, ATV, And Lawnmowers, Temperature Compensation For Accurate Recharging, IP65 Ingress Protection
Amperage ‎10 Amps
Item Weight ‎1.81 kg
Country of origin ‎China

Additional Information

ASIN B07W3QT226
Customer Reviews
4.6 out of 5 stars 18,343 ratings

4.6 out of 5 stars
鶹 Rank
Date First Available Aug. 20 2019

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NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries


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NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries
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Price$140.24$89.99$222.43$67.99$1,522.38$861.06
Delivery
Get it by Tuesday, Jul 1
Get it by Tuesday, Jul 1
Get it by Tuesday, Jul 1
Get it by Tuesday, Jul 1
Get it by Tuesday, Jul 1
Get it by Tuesday, Jul 1
Customer ratings
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output voltage
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Customer reviews

4.6 out of 5 stars
18,343 global ratings

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Customers say

Customers like the reliability, charging speed, and quality of the battery charger. They mention it works really well, comes with well-written instructions, and is easy to use. Customers also appreciate the compact size, design, and versatility. However, some customers have mixed opinions on the battery life.

170 customers mention "Reliability"137 positive33 negative

Customers are satisfied with the reliability of the battery charger. They mention it works flawless, charges an AGM battery perfectly, and their cars are running perfectly. Customers also say it's useful and easy to use. However, some customers have reported that the connectors are of cheap quality.

"Works great, Noco products have a great reputation!" Read more

&ܴdz;ڴھԳ! useful! easy to use" Read more

"...This unit works best inside imo. The built-in power cord doesn't like the cold (-10celsius) and becomes very rigid...." Read more

"Very good, unfortunately their connector are cheap quality easy to damage, i had to replace mine with stronger one, also not compatible with..." Read more

160 customers mention "Charging speed"139 positive21 negative

Customers are satisfied with the charging speed of the battery charger. They mention it brought their cars up to 100% charged in 4 hours. Some say it gives enough amperage to charge any battery at a slower rate. However, some customers have reported that it actually charged their dead batteries much faster than they were anticipating.

"Over the last 4 years I’ve been able to recharge multiple 12v batteries (auto starter batteries, marine deep cycle and lithium batteries) with this..." Read more

"I love this charger, it charges batteries up very quickly...." Read more

"...This smart charger gives enough amperage to charge any battery at a slower rate to allow the battery to get a full deep charge without building too..." Read more

"It actually does detect down to a 1 Volt battery and tries to charge the battery...." Read more

155 customers mention "Quality"138 positive17 negative

Customers are satisfied with the quality of the battery charger. They mention it's a solid unit, reliable, and worth a shot. Customers also say Noco products have a great reputation.

"Works great, Noco products have a great reputation!" Read more

"...The unit feels super solid and doesn’t become « hot » to the touch when in use which is a sure sign of quality electronic components...." Read more

"...Super easy to use and boosted my car each time it was needed, reliable, light weight and compact to carry." Read more

"...Great product, highly recommend." Read more

114 customers mention "Ease of use"99 positive15 negative

Customers find the battery charger easy to use. They mention it's small, convenient, and comes with well-written instructions.

&ܴdz;ڴھԳ! ܲڳܱ! easy to use" Read more

"...That being said, it’s easy to select which type of battery to be serviced...." Read more

"Came in very helpful MANY times on cold days. Super easy to use and boosted my car each time it was needed, reliable, light weight and compact to..." Read more

"...easy plug and connect...." Read more

43 customers mention "Compact size"43 positive0 negative

Customers like the compact size of the battery charger. They mention it fits right in their trunk storage panel, is lightweight, and perfect for taking from the truck to the boat to the bike. Customers also say the clamps are bigger than most portable chargers.

"...easy to use and boosted my car each time it was needed, reliable, light weight and compact to carry." Read more

"...Very easy to use, visually looks good, clamps are much beefier than the g3500. Cables and cord are long enough...." Read more

"Great compact booster. I have never had a peovlem with it. It holds its charge and I have had no issues boosting a 2L engine or a 5.7L engine" Read more

"...The NOCO charger is solid, compact, well designed, well-built, comes with well written instructions, is easy to to use, and easy to learn to use...." Read more

15 customers mention "Design"15 positive0 negative

Customers like the design of the battery charger. They mention it has a nice construction, a great dashboard display, and quality looks good. Some say it's a sexy charger in a high-tech box.

"...I also have the Noco Boost XL GB50 battery starter and loved the look and ruggedness of that unit. I expected no less from this Genius10...." Read more

"...Everything works fine as expected. Very easy to use, visually looks good, clamps are much beefier than the g3500. Cables and cord are long enough...." Read more

"...The NOCO charger is solid, compact, well designed, well-built, comes with well written instructions, is easy to to use, and easy to learn to use...." Read more

"Excellently designed product!" Read more

14 customers mention "Versatility"14 positive0 negative

Customers like the versatility of the battery charger. They mention it's multi-functional, an excellent product for multiple battery types, and is very practical.

"Easy to use and versatile charger/battery tender. I used it immediately after receiving it to recharge a car battery that had gone dead...." Read more

"Very versatile user friendly work great and so far it revive 2 of my batteries very good.I do recommend this item to everyone." Read more

"...charging, is a better deal than the Battery tender series, and is very versatile (reular lead, AGM, Lithium, 12 volt, 6 volt, force charge, etc)...." Read more

"...options on the 10 amp model, can be left plugged in or use it for many different batteries , like bike-tractor-marine-car - lithium.etc.... there..." Read more

89 customers mention "Battery life"61 positive28 negative

Customers have mixed opinions about the battery life of the product. Some mention it brought their batteries back to life, while others say the connected battery is too depleted to be detectable. Some also say the product is capable of maintaining the battery when not in use for a while.

"Worked as expected. Brought my battery back to life." Read more

"...Was thinking of the 5 but this one has the supply voltage function with 2X amperage for a bit more money. Everything works fine as expected...." Read more

"During the winter I don't drive a lot of long distances and the batter started to wane...." Read more

"...Amp capability. I recommend this charger, would buy again." Read more

Good battery charger/maintainer
5 out of 5 stars
Good battery charger/maintainer
I have charged a couple of batteries over the last year going in size from small gas power generator batteries to full size car batteries. This unit works best inside imo. The built-in power cord doesn't like the cold (-10celsius) and becomes very rigid. That being said, it’s easy to select which type of battery to be serviced. The desulfation/repair mode can make a difference with some non-AGM batteries, it is worth trying it to revive your old battery before purchasing a new one. The unit feels super solid and doesn’t become «hot» to the touch when in use which is a sure sign of quality electronic components. I have also a smaller unit from a different company that i like to use as a small trickle charger/maintainer under the hood. This NOCO 10 is way to big to fit under the hood of most cars as a permanent upgrade, its more like a shop size unit with more power. I wonder how any serious driver can drive a vehicle in Canadian winter without the ability to recharge/service their own car battery’s.
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Top reviews from Canada

  • Reviewed in Canada on May 29, 2025
    Verified Purchase
    During the winter I don't drive a lot of long distances and the batter started to wane.

    So much so I realized the auto-stop function never activated by the system due to battery needing charging.

    Once I got this item I plugged it up and left it for a day or so while the battery was in the car. Now auto-stop works no issues an it been at least 3 moths since the 1st use. SO much for warranty replacement of the batter LOL.
  • Reviewed in Canada on June 9, 2025
    Verified Purchase
    parfait, petit format, je l'ai intégré dans un boitier pour plus de protection et de rangement.
    Report
  • Reviewed in Canada on June 2, 2025
    Verified Purchase
    Works great, Noco products have a great reputation!
  • Reviewed in Canada on May 28, 2025
    Verified Purchase
    ڴھԳ!
    ܲڳܱ!
    easy to use
  • Reviewed in Canada on June 22, 2025
    Verified Purchase
    Sadly this doesn't work. I connected to my new 230ah LiTime Lithium battery that was showing 13.25 volts on my multimeter. Stayed on standby. Their YoUtube video suggested I try force mode so I did that 6Xs. Just went back to standby every time. Tried on a AGM 12 volt battery i have that was showing 12.5 volts. Nothing. Tried reset by unplugging and just went back to standby again. Checked twice that the connection was secure. Nothing. Very disappointed.- UPDATE - Returned via 鶹, Ordered a new one and it works great
  • Reviewed in Canada on January 11, 2025
    Verified Purchase
    I have charged a couple of batteries over the last year going in size from small gas power generator batteries to full size car batteries. This unit works best inside imo. The built-in power cord doesn't like the cold (-10celsius) and becomes very rigid. That being said, it’s easy to select which type of battery to be serviced. The desulfation/repair mode can make a difference with some non-AGM batteries, it is worth trying it to revive your old battery before purchasing a new one. The unit feels super solid and doesn’t become «hot» to the touch when in use which is a sure sign of quality electronic components. I have also a smaller unit from a different company that i like to use as a small trickle charger/maintainer under the hood. This NOCO 10 is way to big to fit under the hood of most cars as a permanent upgrade, its more like a shop size unit with more power. I wonder how any serious driver can drive a vehicle in Canadian winter without the ability to recharge/service their own car battery’s.
    Customer image
    5.0 out of 5 stars
    Good battery charger/maintainer

    Reviewed in Canada on January 11, 2025
    I have charged a couple of batteries over the last year going in size from small gas power generator batteries to full size car batteries. This unit works best inside imo. The built-in power cord doesn't like the cold (-10celsius) and becomes very rigid. That being said, it’s easy to select which type of battery to be serviced. The desulfation/repair mode can make a difference with some non-AGM batteries, it is worth trying it to revive your old battery before purchasing a new one. The unit feels super solid and doesn’t become «hot» to the touch when in use which is a sure sign of quality electronic components. I have also a smaller unit from a different company that i like to use as a small trickle charger/maintainer under the hood. This NOCO 10 is way to big to fit under the hood of most cars as a permanent upgrade, its more like a shop size unit with more power. I wonder how any serious driver can drive a vehicle in Canadian winter without the ability to recharge/service their own car battery’s.
    Images in this review
    Customer image
  • Reviewed in Canada on May 10, 2025
    Verified Purchase
    I use it to maintain and charge my car battery
  • Reviewed in Canada on April 26, 2025
    Verified Purchase
    Came in very helpful MANY times on cold days. Super easy to use and boosted my car each time it was needed, reliable, light weight and compact to carry.

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  • Asael Ivan
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on November 14, 2023
    Verified Purchase
    Buen producto, fácil de usar y manejar, carga bastante bien y rápido la batería del auto, me facilita su uso por sus alertas y señales que indican cuando ya se cargó o trae un problema la batería. Además de ser bastante compacta y facil de transportar.
    Report
  • 鶹 Customer
    5.0 out of 5 stars If I could give this 6 stars, I would. IT WORKS!!!
    Reviewed in the United States on June 20, 2025
    Verified Purchase
    I have a very old truck. I hardly ever drive it and it has an alarm (which I really should just disconnect!). Long story short-- this truck drains and destroys batteries. I'm not sure if it is ONLY the alarm, or if there is a short or drain somewhere else. The point is, I came out to a dead battery AGAIN! For some reason, I thought re-conditioning old car batteries was a scam, but I figured, if it doesn't do what it claims (recharge and re-condition a car battery) then I'd just return it. The price was less than a new battery!

    After reading the very simple instructions, I plugged it in and charged the battery. So far so good. Next, per the manual, I ran the re-conditioning cycle. I was still skeptical, but I hooked the battery back up and (after the alarm jump-scared the wits out of me), started it up. It was perfect. I tried again-- perfect. The battery performed as if it was new again. And it stayed in great shape until I neglected the battery to death again a couple months later.

    Now bear in mind, this battery wasn't terribly old (maybe 2 years?) so I can't speak to VERY old batteries. But I have now resurrected the same battery (Just a basic AAA replacement battery) from completely dead to working like new at least 5 times. I didn't know that was possible. I'm a jackass for continuing to neglect the battery and letting it drain out, but this product resets it back to perfect every time. I'm writing this review after almost 9 months of use. This should be in everyone's garage.
  • Abuss
    5.0 out of 5 stars ممتاز يشتغل على فيش ثنائي 220
    Reviewed in Saudi Arabia on March 14, 2023
    Verified Purchase
    ممتاز يشتغل على فيش ثنائي 220
  • Anvar Niyozov
    5.0 out of 5 stars A Lifesaver for My Car Battery — Smart and Simple!
    Reviewed in the United Arab Emirates on June 3, 2025
    Verified Purchase
    I wasn’t expecting to become that person who gets excited about a battery charger, but here we are. I bought the NOCO GENIUS10 after my car battery kept dying during cold mornings, and it’s been a total game-changer.

    Setup was super easy — plug it in, connect the clamps, and the charger does the rest. I love that it’s fully automatic and smart enough to figure out whether I’m charging a 6V or 12V battery without me fiddling with settings. The safety features are reassuring too — no sparks, reverse polarity protection, and it even compensates for temperature, which is perfect given how hot it gets where I live.

    What really impressed me is the battery desulfation mode. I had an old battery that was barely holding charge, and this charger managed to revive it enough to get me through a few more months.

    If you want something reliable and worry-free to keep your car battery healthy, this NOCO Genius charger is worth every penny.
  • J Farquhar
    5.0 out of 5 stars Not a UK version
    Reviewed in the United Kingdom on March 1, 2022
    Verified Purchase
    This is not a UK version, something that really should be made clear.

    Still, it was simple (if tedious) enough to fit a UK plug. No earth wire - not sure if that's an issue, but I'm not an electrician.

    Works just the same as the Genius 5 I already have, charges fairly fast and well, and with no fuss. It tops my fairly big battery up in a few hours.

    It works, and reliably. My car starts strongly every time, even after a long period of lying then given a top up charge. Enough said.

    Excellent charger, quicker than the Genius 5 (which still did the job, only slower) but annoying that I had to read the small print to realise I'd been mis-sold a US version.