| Manufacturer | NOCO |
|---|---|
| Brand | NOCO |
| Model | GENIUS2D |
| Item Weight | 11.7 ounces |
| Product Dimensions | 3.47 x 3.43 x 6.5 inches |
| Country of Origin | China |
| Item model number | GENIUS2D |
| Exterior | Machined |
| Manufacturer Part Number | GENIUS2D |
| Special Features | Spark-Proof and Reverse Polarity Protection, Onboard Battery Charger For Under-The-Hood Applications, Battery Maintainer, Trickle Charger And Battery Desulfator, Temperature Compensation For Accurate Recharging, IP65 Ingress Protection |
| Amperage | 2 Amps |
| Voltage | 12 Volts |
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Coverage for accidental damage including drops, spills, and broken parts, as well as breakdowns (plans vary) -
24/7 support when you need it. -
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2-Year Protection $3.99
3-Year Protection $5.99
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Add to your order
- Coverage for accidental damage including drops, spills, and broken parts, as well as breakdowns (plans vary)
- 24/7 support when you need it.
- Quick, easy, and frustration-free claims.
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$39.95
Get it as soon as Thursday, May 16
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From the brand
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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.
From the manufacturer
SECURE BRACKET.
Use a drill to secure the mounting bracket using self-tapping screws (included).
ATTACH STRAP.
Loop the velcro mounting strap into the mounting bracket.
MOUNT GENIUS2D.
Clip the GENIUS2D battery charger into the mounting bracket.
FASTEN STRAP.
Fasten the GENIUS2D battery charger using the velcro mounting strap.
 GENIUS2D |  GENIUS1 |  GENIUS2 |  GENIUS5 |  GENIUS10 | |
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Customer Reviews
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8,012
|
49,249
|
14,833
|
17,144
|
16,931
|
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Price
| $39.95 | $29.95 | $49.95 | $69.95 | $99.95 |
|
Charging Current
| 2 Amps | 1 Amp | 2 Amps | 5 Amps | 10 Amps |
|
Battery Capacity
| 40Ah | 30Ah | 40Ah | 120Ah | 230Ah |
|
Output Power
| 28W | 15W | 30W | 75W | 150W |
|
12V Repair Mode
| ✘ | ✘ | ✘ | ✔ | ✔ |
|
12V Supply Mode
| ✘ | ✘ | ✘ | ✘ | ✔ |
|
6V AGM Mode
| ✘ | ✘ | ✘ | ✘ | ✔ |
Compare with similar items
This Item  NOCO GENIUS2D, 2A Direct-Mount Onboard Car Battery Charger, 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Marine, ATV, Truck and Deep Cycle Batteries |  |  |  |  |  | |
| Price | $39.95 | $75.99 | -20% $899.95 List: $1,125.95 | $24.99 | -30% $54.99 List: $78.85 | $32.99 |
| Delivery | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it as soon as Friday, May 17 | Get it as soon as Thursday, May 16 | — | Get it as soon as Thursday, May 16 |
| Customer Ratings | ||||||
| Easy to use | ||||||
| Value for money | ||||||
| Easy to read | ||||||
| Sold By | Amazon.com | HULKMAN Direct | Amazon.com | BliloDirect | NEXPEAK CHARGER | Amazon.com |
| input voltage | 120 volts | 12 volts | 120 volts | 220 volts | 110 volts of alternating current | 12 volts |
| battery charge time | 40 hours | — | 10 hours | 24 hours | — | — |
| specification met | UL, CEC, FCC | — | UL, CEC, FCC | — | — | reach |
| weight | 0.73 pounds | 856 grams | 12.1 pounds | 1.2 pounds | 0.87 kilograms | — |
Reviews with images
Easy to Install, Brought 'Low' Battery to 'Good'
I was skeptical to try this. After replacing a $230+ battery I bought a battery/alternator tester. Tests passed in my main vehicle with the new battery. I moved over to my spouse's vehicle and the battery I replaced 2-3 years ago was already showing low health.I bought the Noco battery cleaner and protector spray local for much cheaper than they were priced on Amazon. I cleaned the batteries and installed these maintainers (I bought one for each vehicle).The Genius maintainers took over 12 hours for each of my 65ah batteries. These 2 amp models work fine for us because we can charge overnight on weekends. I ran tests on my spouse's vehicle and now the battery is showing in 'Good' health.With all the outlets and accessories in my main vehicle it's nice to know that I can plug in and charge to get my battery an extra boost since I doubt it charges enough during driving to maintain full capacity.You may need to pick up some galvanized washers to use on your battery posts/clamps in case you have other accessories attached or need a better fit. Make sure to plot the layout of the Genius maintainer before committing to the install. I tried to keep mine away from high heat sources and route the plug and cables out of the way and where I can easily get to them for charging.
Top reviews from the United States
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Reviewed in the United States on April 16, 2024
Reviewed in the United States on April 30, 2024
Reviewed in the United States on March 9, 2024
Reviewed in the United States on November 18, 2023
Reviewed in the United States on April 15, 2024
Reviewed in the United States on May 3, 2024
Top reviews from other countries
Jami Taschuk
Keeps my batter full power for cold Canadian winters.
Reviewed in Canada on July 3, 2023Manuel R.
Nunca funcionó, en lugar de cargar la batería la descargaba
Reviewed in Mexico on October 21, 2022