Make sure your battery is ready to go for your next ATV ride

Battery technology has come a long way over the past several decades, but it still isn’t perfect, and if you don’t have a good ATV battery charger to keep topped off, you’re flirting with disappointment. Your ATV’s battery is slowly discharging itself as we speak, leaving you with fewer cranking amps to get going when it’s time for your next ride. If you ride frequently, that’s not such a problem; your ATV’s electrical system supplies a constant charge to the battery so long as the engine is running. If you let it sit for too long, however, your battery can deplete to the point that you don’t have enough juice left to get it started.

The good news is that an ATV battery charger is not an expensive piece of equipment, and many modern chargers are endowed with advanced electronic systems that prevent overcharging, reverse polarity connection, and other potentially damaging scenarios. Some of them even come equipped with a “battery tender” function that makes long-term storage easier by topping the battery off periodically, as needed.

But the process of selecting the right ATV battery charger for your application can be daunting, so we’ve rounded up some of our favorite chargers currently on the market.

NOCO Genius G750

Specially made for small powersport batteries, with an amperage rating to suit, the NOCO Genius G750 is a powerful, advanced ATV battery charger that won’t break the bank. It’s compatible with a breadth of common battery types, including wet, gel, and sealed lead-acid; Absorbent Glass Mat (AGM); and deep-cycle. Better still, it’s a relatively safe option, with an IP64 rating for dust and water resistance, and reverse polarity protection; if you manage to accidentally connect the charger in reverse, there’s little risk of damage to the battery or charger.

Schumacher SC1319

The Schumacher SC1319 shares its brand name with one of the greatest Formula One drivers of all time. It’s also a high-tech piece of kit with fully automated, microprocessor-controlled charging and 1.5 amps of current – more than enough for the average ATV battery. The manufacturer boasts of its “multi-stage” charging routine, which manages the current and voltage throughout the recharge process for a safer charge, and minimal impact to battery longevity. Plus, while it’s not unique in its ability to handle both 6-volt and 12-volt batteries, the Schumacher SC1319 has built-in automatic voltage detection, so you don’t have to do sweat getting it wrong.

Mroinge MBC010

If you’d rather save some coin than take a bunch of bonus features you might never use, the Mroinge MBC010 is an excellent barebones budget option. It still offers the safety and reliability of an automated four-stage charging routine, helping optimize battery energy without the risk of overcharging, and at 1 amp of current, it can fully recharge a 15 Ah battery in an estimated 16 hours, but it doesn’t include any fancy battery rejuvenation routines or 6-volt battery compatibility. Sometimes, simple does it.

BatteryMINDer 2012

At the far end of the price spectrum from the Mroinge MBC010, we have this: the BatteryMINDer 2012 – an ATV battery charger, maintainer, and desulfator. Battery sulfation, where lead sulfate crystals accumulate within the battery, is the leading cause of premature car and ATV battery death, but the BatteryMINDer’s high-frequency pulse desulfation helps to reverse the process, recovering lost capacity on older batteries. It also uses an advanced, microprocessor-controlled seven-stage recharge routine, with ambient temperature compensation, and best of all, it can be used to maintain up to six batteries at a time, provided you spring for some extra Y-connectors. If you keep multiple ATVs or other powersport equipment, we don’t have to tell you what a useful feature that is.

Foxsur Multifunctional Smart Battery Charger

The Foxsur Multifunctional Smart battery charger is overkill as an ATV battery charger, putting out 3 amps of current, but it’s an attractive option because it offers a pulse repair function much like the BatteryMINDer 2012 listed above, for far less coin. Not quite as advanced, the Foxsur nonetheless features a fully automated recharge routine, an easy-to-read LCD screen that displays things like charge status and inside temperature, and protections to guard against overcharging, overheating, and reverse polarity. If you don’t need to tend to six batteries at once but you still want the benefit of pulse repair, it’s an excellent, low-price option. As an added plus, it’s compatible with a wide range of 12-volt and 24-volt batteries, including wet, gel, sealed, AGM, Enhanced Flooded (EFB) – even lithium and LiFePO4.

Battery Tender Junior Charger and Maintainer

Looking for a less expensive ATV battery charger that will gladly handle both your lead-acid and lithium batteries? This reasonably priced Battery Tender Junior model has a mode for each, powered by an embedded microcontroller that ensures your battery is getting the correct level of current no matter where it is in the recharge cycle. That means it’s fully automated and guarded against reverse-polarity connections, with up to 800 mA of current to recharge most any ATV battery, lead-acid or no.

A Quick Word on Charging

Most people seldom read instruction manuals these days, but we highly recommend perusing your ATV battery charger’s literature. Not all batteries – nor all chargers – are created equal, and it’s important to understand the capabilities and risks of your equipment before you make a potentially costly mistake.

Most ATV batteries in use today are of the 12-volt variety, the same as any modern gas-powered car, but batteries can vary drastically in both capacity and composition. That can affect recharge times, as well as the maximum recommended amperage rating. The rule of thumb is try to supply no more than one amp of current per amp-hour of battery capacity, up to a hard max of 3 amps, primarily to avoid damage to the battery that can eat away at its total capacity over time. That said, many – but not all – modern chargers feature built-in over-current protection, and the best way to be sure you’re not exceeding your battery’s limits is by reading the manual.

Overcharging is another concern – at least on some “dumb” chargers that don’t have smart overcharging protections built-in. With older chargers, it used to be that if you left a battery connected for too long, it would cause the electrolyte water to overheat and evaporate into hydrogen and oxygen gas, reducing battery life and, in some cases, leading to a dangerous buildup of pressure inside the battery. Modern chargers – including the ones on this list – have built-in protections to theoretically prevent this from happening, and evolutionary changes to battery chemistry and composition have made it less of a concern, but it’s nonetheless important to understand what your charger will – and won’t – do.

In short, read up on your ATV battery charger’s capabilities and built-in protections, try to stay within the rule of thumb with regard to current supply, and when in doubt, disconnect the charger a bit early, as opposed to too late.

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