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Are you looking for a reliable and affordable battery charger? Look no further than the Noco Genius One Battery Charger/Maintainer. This popular and well-respected charger can be purchased from Amazon for an unbeatable price of just $29.99. Not only does it come with high-quality cables, but it is also highly sophisticated, using a microprocessor to monitor voltage and automatically start and stop charging. The Noco Genius One is also capable of desulfating old lead-acid batteries in order to get them back to near-new condition. With its small size, it is perfect for taking on the go and is suitable for 6-12 voltage batteries, such as AGM and lithium. With the variety of available accessories, you can easily customize your charge up to a maximum of one amp. Don’t let its small size fool you; the Noco Genius One is highly efficient and the perfect choice for anyone looking to charge their batteries with the utmost safety.
I recently stumbled across the Noco Genius One battery charger slash maintainer while searching the internet for a suitable replacement to the one I had from Harbor Freight. After hearing good reviews from fellow DIYers, I decided to give it a try.

I ordered it from Amazon and was very happy with the fast delivery. Upon unboxing, I noticed the product comes with a modular connector and multiple accessories, including an AC port plug. I found the charger to be really small and lightweight, almost like a regular plug. Noco is a very reputable company, so it couldn’t go wrong.
The Noco genius one is smart charger with microprocessor capabilities to monitor voltage and it automatically stops and starts. It has the capability to do d-sulfation, which is used to help remove sulfate from lead batteries. The alligator clips it came with were of a very high quality and the cable length was really long.

To test the product, I connected it to a Harbor Freight battery that was previously showing a battery failure, and to my surprise, it started charging immediately. After 48 hours, the battery was finally showing a green charge indicator and was back to full capability.
Overall, I was very pleased with the product and found it to be well worth the 29.99 price. It is definitely a keeper and I would highly recommend it to anyone looking for a decent battery charger for their DIY projects.
All You Need to Know About the NOCO Genius One

The NOCO Genius One is an advanced, smart battery charger and maintainer that is designed to help restore and maintain a healthy battery. It comes with multiple accessories and has the capability to charge and maintain both 6-12V lead-acid, 12V lithium, and AGM batteries. The NOCO Genius One has a maximum charge power of one amp and a long cable of up to seven and a half feet. It also includes a microprocessor that monitors the voltage of the battery and allows for automatic start/stop and desulfating functions. The charger is small, lightweight and comes with a 100-240V plug, making it ideal for international use.
What Batteries Can the NOCO Genius One Maintain?

The NOCO Genius One is a battery charger and maintainer designed to keep batteries between 6 and 12 volts in optimal condition. It is a smart charger, which means it has a microprocessor that monitors the voltage of the battery and automates charging processes, as well as providing desulfation capabilities. It can charge and maintain lead acid, AGM, and 12 volt lithium batteries. It also has a 100 to 240 volt feature, making it a great choice for international travel. With its seven-foot cable, modular connector and alligator clip, the NOCO Genius One has all the features you need to keep your batteries in top shape.
Overview of the NOCO Genius One

Are you in the market for a quality battery charger and maintainer? The NOCO Genius One may be just the product for you. This entry-level charger is highly regarded and is the cheapest in their lineup, retailing at 29.99.
What Accessories Come with the NOCO Genius One?
The NOCO Genius One Battery Charger and Maintainer is a well-known and respected brand. It comes with a few accessories, including a flyer, a modular connector, and an AC port plug. The charger also has a seven-foot cable and an alligator clip that adds another two feet to the tip of the charger. The alligator clip is sturdy and connects securely. The NOCO Genius One manual provides additional information on the lights and indicators. It is also worth noting that the charger is able to charge 6-12 volt lithium, AGM, and lead acid batteries.
How Does the NOCO Genius One Battery Charger Work?
The NOCO Genius One Battery Charger is a smart charger which means that it has a microprocessor to monitor the voltage of a battery and will automatically start/stop charging, and can even do pulse charging and desulfating, which can help revive an older lead battery. It is small and comes with a 100-240V plug and a modular connector, along with two prong cables and an alligator clip for increased reach. The charger is capable of charging 6-12V batteries and has a maximum charge power of one amp, which can take a few days to completely charge a bigger battery. The user must manually select the type of battery being charged, as the Genius One is not automatic. After 2 days, the battery should be completely charged, as indicated by the green charge indicator.
How Long Does the NOCO Genius One Take to Charge a Battery?
The NOCO Genius One is a very well-regarded battery charger that is respected for its efficient performance. It is a smart charger that monitors the battery’s voltage and automatically starts and stops via pulse charging. This product also has the capability to do desulfation, which is beneficial for older lead-acid batteries. When tested on a battery, it took the NOCO Genius One a total of 48 hours to fully charge it. The charger was able to successfully do this despite a different battery charger showing a battery failure after only a few hours. The NOCO Genius One is definitely worth the price and has earned a thumbs up from the tester.
Pros
- The Noko Genius One is a smart charger with a built-in microprocessor that monitors the battery’s voltage and automatically stops/starts/pulses its charge.
- It is small in size and comes with a seven-foot long cable for easy mobility and use.
- It can be used worldwide, charging 6 to 12 volt batteries, AGM batteries, and lead acid batteries.
Cons
- It has a maximum charge power of one amp. This can take some time to charge larger batteries.
- The connector is modular and requires you to purchase additional accessories to use it for various purposes.
- The charger is manual and requires you to know the type of battery you are charging in order to select the appropriate mode.

The Noco Genius One Battery Charger and Maintainer is a great product that is worth the price. It is versatile in that it can be used with international power sources as well as with a wide variety of 12V and 6V batteries. It is also very compact and easy to use, with a long and sturdy cable. The Noco Genius One is a reliable and efficient battery charger and maintainer that will ensure your battery stays healthy and ready to use. We highly recommend it.What type of battery can the Noco Genius One Battery Charger/Maintainer charge?
The Noco Genius One Battery Charger/Maintainer can charge 6 to 12 volt battery types, including lithium, AGM and lead acid batteries.What features does the Noco Genius One offer?
The Noco Genius One features a microprocessor that monitors the voltage of your battery and it also has a capability for desulfating lead acid batteries as well as a 100-240V voltage range for worldwide use. It also comes with a modular connector for customizing with additional accessories.How long is the cable for the Noco Genius One?
The Noco Genius One comes with a cable that is approximately 7-7.5 feet in length, plus a 1.5-2 feet cable from the alligator clip to the end of the cable.