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The NOCO GENIUS2X2 is a 2-bank smart charger that puts 2 amps into each of two batteries at once, 4 amps total. It handles 6V and 12V lead-acid types (flooded, gel, AGM, SLA, VRLA) plus lithium LiFePO4, and doubles as a maintainer, trickle charger and desulfator for batteries up to 40 Ah. It is weatherproof, so it can stay hooked up outdoors or in a garage. At $99.95 at Amazon as of November 5, 2026, it sits at the low end of its recent range.
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Availability unknownSold by urban_achievers (99.4% positive, 118,400 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 urban_achievers (99.4% positive, 118,400 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $99.95 on Nov 6 at Shell Lumber and Hardware. Tracked across 13 stores since Nov 6.
Rated 4.7 out of 5 from 109 ratings, the GENIUS2X2 is well liked for its dual-bank convenience and set-and-forget operation. Owners mainly use it to keep stored batteries healthy rather than to fast-charge them.
Meet the NOCO GENIUS2X2, one of our most powerful, highest-performing, energy-efficient, and compact 2-bank universal battery chargers yet. The GENIUSX2 is a 4-amp, 2-amp per bank (60-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.
