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The NOCO GENIUS2X4 is a 4-bank smart charger that sends 2 amps to each bank, 8 amps total, for 6V and 12V lead-acid and lithium (LiFePO4) batteries. It charges, maintains, floats and desulfates, and its repair mode uses pulse reconditioning to break up sulfation and acid stratification. It is weatherproof for year-round outdoor use and connects through X-Connect leads or a 12V cigarette-lighter plug. The best new price is $189.85 at eBay as of November 5, 2026, with 6 stores selling it new.
In stockSold by NOCOReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Availability unknownSold by hitexstore (99.6% positive, 180,200 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by geb-5672 (100% positive, 26 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknown
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Lowest price we've seen: $199.95 on Nov 6 at Home Depot. Tracked across 4 stores since Nov 6.
Owners rate the GENIUS2X4 highly, calling it a reliable way to keep several motorcycles, ATVs and seasonal dirt bikes charged and ready. They like the long leads and hardwire option. One buyer got a faulty unit out of the box, but the replacement worked flawlessly.
Meet the NOCO 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.
