Meet the GENIUS2, one of our most powerful, highest-performing, energy-efficient, and compact portable universal battery chargers yet. The GENIUS2 is a 2-amp (30-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 40 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.
En español (ES): Conozca el GENIUS2, uno de nuestros cargadores de baterías universales portátiles más potentes, de mayor rendimiento, de bajo consumo y compactos hasta el momento. El GENIUS2 es un cargador de batería de servicio pesado de 2 amperios (30 vatios) – 100-240 VCA 50-60 Hz – 6 voltios y 12 voltios, mantenedor de batería, cargador lento, cargador flotante y desulfatador de batería para hasta 40 amperios -horas. Está diseñado para cargar y mantener todo tipo de baterías selladas de plomo-ácido y iones de litio (lifepo4), incluidas las inundadas, de gel, sin mantenimiento, AGM, SLA, VRLA, así como para automóviles, marinas, vehículos recreativos, deportes motorizados y profundas. -baterías de ciclo. Su modo regenerador de reparación de batería avanzado utiliza tecnología de reacondicionamiento de pulso lento para detectar automáticamente la sulfatación de la batería y la estratificación ácida, restaurando el rendimiento perdido de la batería para prolongar la vida útil de la batería. Se puede usar y almacenar en casi cualquier lugar (casa, garaje, móvil, banco o automóvil) para cargar y mantener cualquier batería, incluso enchufarlo a través del puerto del encendedor de cigarrillos auxiliar de 12 V de su vehículo. Su régimen de carga de próxima generación utiliza tecnología de microprocesador de carga rápida para recargar rápidamente las baterías sin ninguna intervención manual. Es un cargador de batería inteligente completamente automático, sin preocupaciones, profesional y de grado comercial sin sobrecarga. Diseñado para ser de doble propósito, tanto en interiores como en exteriores, brindando protección impermeable y resistente a la intemperie contra los elementos externos durante cualquier época del año, incluido el invierno. Sus conectores de batería X-Connect, mejores que SAE, permiten una conexión permanente de conexión rápida o una conexión directa a los terminales de la batería. Una pantalla digital proporciona el estado de carga y prueba los diagnósticos para múltiples condiciones, como batería agotada, batería defectuosa, polaridad inversa y más. Y es compatible con todo tipo de vehículos de gas y diésel, incluidos automóviles, automóviles, motocicletas, motos de cross, scooters, ciclomotores, cortadoras de césped, vehículos todo terreno, UTV, tractores de césped, remolques, camiones, vehículos utilitarios deportivos, botes, caravanas, vehículos recreativos, motos acuáticas. , PWC, motos acuáticas, motos de nieve, vehículos de 4 ruedas, generadores, carritos de golf, autos clásicos, incluidos 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 y más.
Meet the GENIUS2 – Similar to our G1100, just better. It’s 30% smaller and delivers over 140% 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.
Price: $64.95 – $49.95
(as of Jan 21, 2025 19:29:30 UTC – Details)
Customer Reviews
Reviewer: Savannah Kentzell
Rating: 5.0 out of 5 stars
Title: Great Charger
Review: I am thoroughly impressed with this little powerhouse! I needed something to charge up the battery on my generator and this worked flawlessly.This is a high quality charger with easy mode switching and super simple to use. I was worried that I did not get one with enough amperage, but this charged up my generator battery enough to power it on after about an hour.I have not yet needed to hook it up to a larger battery such as a car, but for a generator battery or something similar, this charger easily handles the task and isn’t overly expensive for what you’re getting.
Reviewer: Elaine Mason
Rating: 5.0 out of 5 stars
Title: Works well
Review: It was small normal size ,cord was at good Length,the charge will charge the car battery but doesn’t jump it ,it worth the price of it ,seems durable, battery life was great an yes it is safe to use,thank you ,came also with manual.
Reviewer: HL
Rating: 5.0 out of 5 stars
Title: Works well
Review: Works well to charge flooded, AGM and lithium batteries. Topped off my AGM battery. Highly recommend buying the NoCo GC003 cigarette lighter adapter. Just make sure you connect to a 12v socket that is always on. Strangely does not ship with instructions or manual. Had to look it up online. Same day shipping from Amazon- canât be beat.
Reviewer: Brian
Rating: 5.0 out of 5 stars
Title: Great Product
Review: Item works great. Much easier to use then the older trickle chargers and much better options. Worked great and happy to add to my collection.
Reviewer: Peter
Rating: 4.0 out of 5 stars
Title: Did not work at first, seems to work now?
Review: I have a car I keep garaged and don’t drive very often. The battery is older than the nominal 3 years. However, when I’m driving it around regularly, the battery holds a charge just fine. But when the car sits awhile I have to jump start. I got this product to tend the battery and keep it ready to go.When I first hooked up to the battery and put it into the proper mode, it appeared to be doing the right thing. Note, the battery had significant charge but couldn’t keep cranking the engine long enough to get it started. Despite this, the charger seemed to think the battery was completely discharged. I noticed as hours went by that the charge level indicated by the charger did not change or increase. The next morning it was indicating that the battery was defective. I jumped the car with another device and drove it for a few days, and the battery was fine restarting the car. Definitely not a completely defective battery.I tried this charger again after I was done with the car for awhile. It started out exactly as before, reporting the battery as discharged even though it was starting the engine fine. Oddly enough, this time the charger did what it was supposed to do. The reported charge increased until it was reported fully charged. When I tried starting the car a few days later it started up just fine.Note, I originally tried to get the charger into Force mode, but it would not enter that mode.At this point the charger seems to be working, but I don’t trust it completely. I definitely don’t trust it to be my only alternative to top off a partially discharged battery. Luckily I have two other alternatives.
Reviewer: Margaret J.
Rating: 5.0 out of 5 stars
Title: Great charger/tender
Review: Great quality. Works as advertised.
Reviewer: The Audio Distillery
Rating: 5.0 out of 5 stars
Title: Does not work as a âmaintainerâ – UPDATED – figured out how to make it work as maintainer on string
Review: Updated review from 3 stars to 5 stars. I experimented and connected the terminals to the inverter terminals and it now goes into maintenance mode. Something about being connected to a single battery in the strings causes it to give an error code and shut off. It does not do that when it is connected at the furthest terminal from my battery string, which is the inverter terminals. It works great now. I was so happy I bought the 10 amp version and loaded up the inverter with more devices to test it out. It works great. So now, even when my power goes out, I’ll still have my wifi dish, security cams active.I purchased this charger/maintainer to leave connected to (2) 35AH AGM batteries (parallel) and it works great as a charger. I have an inverter connected to these batteries and I wanted to run my security cams and Wi-Fi off batteries while being maintained by this unit in case of power failure. Didnât work out as planned. It will charge the batteries, but every time they reach the cycle to full charge, the next day I get battery failure and the unit quits charging. Once I unplug the charger from AC and plug it back in, the unit again charges the batteries to full charge, next day battery failure light. The batteries are only a year old and have little use on them. They hold a charge well. So now I have another battery charger. Itâs a nice little trickle charger, but not a maintainer on my batteries.
Reviewer: Daffyduck777
Rating: 5.0 out of 5 stars
Title: Great product . Easy to use.
Review: I ordered one at first. But i was so impressed i ordered 2 more. keeps my vehicles charged in this very cold weather. Easy to use and good quality.
Reviewer: Amir mun
Rating: 5.0 out of 5 stars
Title:
Review: I recently purchased the GENIUS2 and I must say, it has completely exceeded my expectations. Right out of the box, the first thing that struck me was its compact design. It’s small and lightweight, making it incredibly convenient for storage and handling.Setting it up was a breeze. The instructions were clear and straightforward, ensuring a hassle-free experience even for someone who isn’t particularly tech-savvy. This ease of setup is a huge plus, especially in emergency situations where time and simplicity are of the essence. Simply connect your battery and turn the device on, click the button to select the correct mode and you’re good to go!The fact that it works as expected without any complications adds a level of trust and reliability that I greatly appreciate.Additionally, the packaging was well-thought-out and secure, protecting the charger during shipping. This attention to detail extends to the charger itself, which has a premium feel to it. The build quality is excellent â it doesnât feel flimsy or cheap, which is often a concern with tech products.Overall, the NOCO GENIUS2 is an outstanding product that I would highly recommend. Its combination of compact size, ease of use, efficient performance, and premium build quality makes it a top-notch choice for anyone in need of a reliable car battery charger.
Reviewer: Mohamed K.
Rating: 5.0 out of 5 stars
Title:
Review: Great product, I had a car that was parked for 4 months and the battery died. It was a bit slow. However, it charged the car battery within 48 hours
Reviewer: okar LB
Rating: 5.0 out of 5 stars
Title:
Review: Hay mucho que considerar al cargar una baterÃa de auto, éste cargador es ideal para varios escenarios. Lo compré pues muchos autos nuevos con baterÃas AGM no deben ser cargados con un cargador que no diga expresamente ser para AGM, de otra forma puede acortar su vida.Este cargador puede usarse con baterÃas regulares de plomo-acido, AGM, litio y hasta de 6V. Tiene indicadores para polaridad invertida, baterÃa dañada, además de nivel de carga en 4 niveles. En ésta versión de 2 amperes (Noco Genius 2) una baterÃa que marque el primer nivel puede tomar mas de un dÃa en cargar, pero lo hará extendiendo lo mas posible la vida de la misma.Para autos que no se utilizan mucho, es indispensable un cargador como éste, de lo contrario la baterÃa se puede dañar por la falta de carga, asà se arranque el motor cada mes, pues no es suficiente, particularmente para las de plomo-acido. Incluso autos que solo se usan para trayectos cortos dos o tres veces por semana, la carga que obtienen no es suficiente y terminan descargandose y dañandose si no se hace algo al respecto.Por el tipo de carga que generan éstos cargadores, se pueden recuperar hasta cierto punto baterÃas que ya fueron indebidamente descargadas mas allá de lo recomendado. Las AGM son las que pueden resistir mas, una de plomo tal vez no se recupere al 100% pero se puede extender un poco su vida. El hecho de que cargue lentamente es precisamente para extender la vida de las baterÃas y mantener cargadas las que no se usan. Si requieres un arrancador o una carga rápida, ésto no es el producto que necesitas. Las cargas rápidas terminan disminuyendo la vida útil de cualquier baterÃa.Es un producto excelente para museos y colecciones de autos, garantizando que autos sin mucho uso estén siempre listos y que las baterÃas no pierdan su vida útil. Se puede comprar el accesorio para conectar permanentemente a la baterÃa y dejar el conector tapado pero accesible para rotar el mismo cargador entre varios autos, dejandolo un par de dÃas en cada auto.Yo lo compré para un auto que casi no uso y como tiene baterÃa AGM, no podÃa usar mi cargador/mantenedor viejo. Lo recomiendo bastante, luego de una carga se puede desconectar y permanecer meses sin usar y arranca a la primera, aunque lo ideal es dejarlo siempre conectado si es posible. Cuando ya está cargada, se mantiene en modo de espera.
Reviewer: AMAS
Rating: 5.0 out of 5 stars
Title:
Review: اÙØµØ Ø¨Ùا
Reviewer: David Shaw
Rating: 5.0 out of 5 stars
Title:
Review: Straight out of the box and put to work…….you need to sort the plug out though, not Aus standard.
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