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  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use are covered from day one. Malfunctions are covered after the manufacturer’s warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
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  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use are covered from day one. Malfunctions are covered after the manufacturer’s warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • EXPERT TECH HELP: Real experts are available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
  • MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at AmazonFeedback@Asurion.com.
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NOCO GENIUS5, 5-Amp Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Trickle Charger and Battery Desulfator with Temperature Compensation

4.7 out of 5 stars 13,195 ratings

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List Price: $89.95

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Enhance your purchase

Brand NOCO
Color Black
Product Dimensions 3.43"D x 4.61"W x 7.95"H
Item Weight 1.59 Pounds
Input Voltage 120 Volts

About this item

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  • Make sure this fits by entering your model number.
  • Meet the GENIUS5 - Similar to our G3500, just better. It's 34% smaller and delivers over 65% more power. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.
  • Do more with Genius - Designed for 6-volt and 12-volt sealed lead-acid automotive, marine, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lithium-ion batteries (lifepo4).
  • Enjoy precision charging - An integrated digital 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.
  • Restore your battery - An advanced battery repair mode uses slow pulse reconditioner technology to detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Beyond maintenance - It's not just a battery trickle charger, it's an advanced battery charger maintainer. A fully-automatic, worry-free smart battery charger for everyday use - 24/7 - with zero overcharge.
  • Compatible with all types of gas and diesel vehicles - Charge and maintain 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.
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Frequently bought together

  • NOCO GENIUS5, 5-Amp Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Trickle
  • +
  • NOCO GC004 X-Connect 10-Foot Extension Cable Accessory for NOCO Genius Smart Battery Chargers
  • +
  • NOCO GC040 Universal EVA Protection Case for GENIUS1, GENIUS2, GENIUS5, and GENIUS10 Smart Battery Chargers
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From the manufacturer

car battery charger 12v 6v automotive trickle maintainer auto lithium marine automobile 12 volt agm

5a car battery charger 12v 6v automotive trickle maintainer auto automotive lithium agm lifepo4

GENIUS5

1a car battery charger 12v 6v automotive trickle maintainer auto automotive lithium agm lifepo4

GENIUS1

2a car battery charger 12v 6v automotive trickle maintainer auto automotive lithium agm lifepo4

GENIUS2

10a car battery charger 12v 6v automotive trickle maintainer auto automotive lithium agm lifepo4

GENIUS10

2a car battery charger 12v 6v automotive trickle maintainer auto automotive agm onboard marine

GENIUS2D

Charging Current
5 Amps 1 Amp 2 Amps 10 Amps 2 Amps
Battery Capacity
120Ah 30Ah 40Ah 230Ah 40Ah
Output Power
75W 15W 30W 150W 28W
12V Repair Mode
12V Supply Mode
6V AGM Mode

Product Description

Meet the GENIUS5, one of our most powerful, highest-performing, energy-efficient, and compact portable universal battery chargers yet. The GENIUS5 is a 5-amp (75-watt) - 100-240VAC 50-60Hz - 6-volt and 12-volt heavy-duty battery charger, battery maintainer, trickle charger, float charger, and battery desulfator for up to 120 amp-hours. It's designed to charge and maintain all types of sealed lead-acid and lithium-ion (lifepo4) batteries, including flooded, gel, maintenance-free, AGM, SLA, VRLA, as well as automotive, marine, RV, powersports, and deep-cycle batteries. Its advanced battery repair regenerator mode uses slow pulse reconditioner technology to automatically detect battery sulfation and acid stratification, restoring lost battery performance for extended battery life. It can be used and stored almost anywhere - home, garage, mobile, bench, or in car - to charge and maintain any battery - even plug in through your vehicle's 12V auxiliary cigarette lighter port. Its next-generation charging regime utilizes fast charging microprocessor technology to rapidly recharge batteries without any manual intervention. It's a completely automatic, worry-free, professional, and commercial-grade intelligent battery charger with zero overcharge. Designed to be dual purpose - both indoors and outdoors - providing weatherproof and waterproof protection from the outside elements during any time of the year, including winter. Its X-Connect battery connectors - better than SAE - allow for quick-connect permanent connection or connecting directly to the battery terminals. A digital display provides the charging status and tests diagnostics for multiple conditions such as a dead battery, bad battery, reverse polarity, and more. And it's compatible with all types of gas and diesel vehicles, including cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, lawn tractors, trailers, trucks, SUVs, boats, campers, RVs, jet skis, PWCs, wave runners, snowmobiles, 4-wheelers, generators, golf carts, classic cars, including BMW, Mercedes-Benz, Porsche, Bentley, Maserati, Lexus, VW, Audi, Ford, Chevrolet, Corvette, Cadillac, Jeep, Prius, Toyota, Subaru, Nissan, Honda, Harley-Davidson, Suzuki, Yamaha, Kawasaki, Ducati, KTM, Indian, Husqvarna, Vespa, Polaris, Seadoo, John Deere and more.

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NOCO GENIUS5, 5-Amp Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Trickle Charger and Battery Desulfator with Temperature Compensation


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What's in the box

  • GENIUS5 5A Smart Battery Charger and Battery Maintainer
  • Needle-Nose Battery Clamps With Integrated Eyelet Terminals
  • Battery Charger Mounting Bracket With Velcro Strap
  • (2) Black Truss-Head Screws
  • Battery Charger User Guide
  • 3-Year Limited Warranty
  • Product guides and documents

    Compare with similar items


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    NOCO GENIUS2, 2-Amp Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Trickle Charger and Battery Desulfator with Temperature Compensation
    Amazon Basics 12 Volt 800mA Battery Charger with Auto Start and Reverse Protection
    NOCO GENIUS2D, 2-Amp Direct-Mount Onboard Charger, 12V Automotive Car Battery Charger, Battery Maintainer, Trickle Charger and Battery Desulfator with Temperature Compensation
    Customer Rating 4.7 out of 5 stars (13195) 4.4 out of 5 stars (4582) 4.6 out of 5 stars (11161) 4.4 out of 5 stars (4582) 4.7 out of 5 stars (5311)
    Price $49.95 $46.74 $34.96 $23.75 $27.95
    Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping. Details
    Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
    Item Dimensions 3.43 x 4.61 x 7.95 inches 3 x 8.13 x 9.5 inches 4.25 x 3.43 x 6.97 inches 3.5 x 7.13 x 5.25 inches 3.47 x 3.43 x 6.5 inches

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    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    13,195 global ratings

    Top reviews from the United States

    Reviewed in the United States 🇺🇸 on October 31, 2022
    3 people found this helpful
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    Reviewed in the United States 🇺🇸 on October 24, 2022
    7 people found this helpful
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    Reviewed in the United States 🇺🇸 on November 3, 2022
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    Reviewed in the United States 🇺🇸 on November 19, 2022
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    Reviewed in the United States 🇺🇸 on November 5, 2022
    Reviewed in the United States 🇺🇸 on November 18, 2022
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    Top reviews from other countries

    Gary J
    5.0 out of 5 stars Updated version of the Genius G3500. Seems to work great so far
    Reviewed in Canada 🇨🇦 on May 30, 2020
    37 people found this helpful
    Report abuse
    Jorge Silva
    4.0 out of 5 stars Excelente !! pero una función queda inconclusa
    Reviewed in Mexico 🇲🇽 on September 19, 2020
    25 people found this helpful
    Report abuse
    Joe
    4.0 out of 5 stars Fully charged after 4 attempts
    Reviewed in Canada 🇨🇦 on January 8, 2021
    12 people found this helpful
    Report abuse
    David Bailey
    5.0 out of 5 stars Saved a very expensive and very old Jaguar battery
    Reviewed in Canada 🇨🇦 on June 3, 2020
    18 people found this helpful
    Report abuse
    Lily Poulin Gill
    1.0 out of 5 stars it doesn't work in cold weather
    Reviewed in Canada 🇨🇦 on January 31, 2021
    11 people found this helpful
    Report abuse