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Your cart is empty.Meet the GENIUS2X4, one of our most powerful, highest-performing, energy-efficient, and compact 2-bank universal battery chargers yet. The GENIUSX4 is a 8-amp, 2-amp per bank (120-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.
WK
Reviewed in Canada on March 8, 2025
It would be nice you have better instruction.
Guy Bridger
Reviewed in Canada on March 2, 2025
Great trickle charger and maintainer. Good brand also
Customer
Reviewed in Canada on January 5, 2025
Fonctionne très bien, facile à utiliser
Danny D
Reviewed in Canada on January 31, 2025
Great system. Easy to use and works well
Gilles Vandal
Reviewed in Canada on January 3, 2025
Great charger.
A
Reviewed in Canada on January 1, 2025
Really good unit. Somehow it knows what your battery is and charges it accordingly. I swapped all my bikes to their quick connect so i didn't have to screw around with the clamps
FedeR
Reviewed in Italy on July 12, 2024
Carica batterie professionale consigliato
Adolfo Cariolato
Reviewed in Australia on June 11, 2024
It works very well , especially 1 charger to charge 4 batteries and maintain them
Ottawa Valley RV
Reviewed in Canada on February 8, 2024
This is one excellent product!We have to keep 8 12 volt batteries ready for our own RV and our backups that we use when out on a service call. You'd be surprised at the number of clients that call us because their 12 volt system isn't working. Check their battery and it's deader than a door nail. We hook up one of our well kept batteries and voila folks!We obviously bought 2 of the chargers and wouldn't be without them.. ever!They don't hit the hydro hard which is great as we leave them on all the time as needed.
Norbert Dambmann
Reviewed in Germany on December 19, 2024
Das Ladegerät ist in seiner Funktionalität und der Betriebssicherheit genial einfach.Habe vier verschiedene Batterien angeschlossen, das Gerät hat alle erkannt und geladen.es ist sein Geld wert und ich empfehle es ohne Einschränkung weiter.
Claudio
Reviewed in Canada on November 26, 2024
Versatile for a wide range of battery types. Had the prior generation charger which died after about 6 years so hopefully this newer model will have better longevity.
Ersen Güventürk
Reviewed in Turkey on June 15, 2023
Ürün efsane. Çok beğendim tavsiye ederim…
moreau
Reviewed in France on April 1, 2023
Je m’en sert pour mes voitures et motos et c’est juste au top et rapide à mettre en place.Fait le travail en une nuit pour les batteries complètement à plats pour ma part.
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