DeWalt DXAEC2 Professional 2 Amp Automotive Battery Charger and Maintainer, Yellow
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Availability:
In Stock.
Arrives
Wednesday, Oct 8
Features
- 3 IN 1 UNIT- Functions as a battery charger, maintainer and trickle charger
- COMPATIBLITY - Compatible with any 6V and 12V AGM, GEL, or WET automotive or marine battery
- FULLY AUTOMATIC - High frequency charging restores lost batteryperformance for stronger engine starts and extended battery life
- PEACE OF MIND - Built-in circuit protection guards against overcharging, reverse polarity or short circuit.
- HANGING HOOK - For ease of use in tight spaces
Description
Get convenient, automatic charging for your 6-Volt and 12-Volt AGM, GEL or WET automotive or marine batteries with the DeWalt DXAEC2 Two Amp Battery Charger and Maintainer. This handy unit functions as a battery charger, maintainer and trickle charger. Its fully automatic high frequency charging restores lost battery performance for stronger engine starts and extended battery life. The built-in circuit protection guards against overcharging, reverse polarity. Includes a hanging hook for ease of use in tight spaces.
Brand: DEWALT
Color: Yellow
Product Dimensions: 12"D x 16"W x 5"H
Item Weight: 1.07 Pounds
Output Voltage: 12 Volts (DC)
Manufacturer: Baccus Global LLC
Brand: DEWALT
Model: DXAEC2
Item Weight: 1.07 pounds
Product Dimensions: 12 x 16 x 5 inches
Item model number: DXAEC2
Exterior: Yellow
Manufacturer Part Number: DXAEC2
Safety Rating: Não Aplicável
Voltage: 12 Volts
Date First Available: February 24, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Oct 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This DEWALT DXAEC2 Professional 2-Amp Automotive Battery Charger and Maintainer appears to be a basic float charger. Once the battery voltage goes below the float voltage of about 12.85 V, the yellow charging light comes on, and it charges at up to 14.25-15.0 V, about the same as a car alternator (see updated details below). It only gets slightly warm if charging for a long period, otherwise is cool. Doesn't seem to vary the voltage with temperature. I now have two of these. The one has an observed float voltage of 12.90, and the other 12.83. I've had the one outside under the hood at minus 5 degrees F, on a 75 foot extension cord, kept doing its thing. While it's probably not waterproof, it's fairly closed up, so a few drops of water probably won't kill it. It's probably safe to leave this connected continuously as a maintainer on sealed lead-acid (SLA) auto batteries. I've left it connected to a vehicle for a few months with very good results, vehicle always started right up. Note that before starting the vehicle, it's probably best to completely remove this charger from under the hood, otherwise cords could get pulled into belts, burned on hot surfaces, etc. If you do leave it attached to the battery when starting, be sure it's clear of all belts, and I also recommend unplugging it first. That way it won't go into charge mode while the vehicle is starting and running, perhaps giving the electronics in it a longer lifespan. Leaving the charger powered while starting could expose it to voltage and current spikes from inductance, etc. I also put a note on my dash reminding me or anyone else that the charger must be removed before starting and driving away! Seems like a well-made, durable product. The clips are a bit sub-par (cheap plastic, not a great grip on the teeth), but sufficient for the task and amperage. I've used one of them regularly for a couple years now. I would say it's suitable for anything up to a car or small truck, as a maintainer or slow charger. For Gel batteries, I am a little hesitant to use it, because often they have a maximum charging voltage of 14.4 volts. This charger seems to exceed that, briefly at least. Whether that's okay with the relatively low amperage is hard to say, but using too high of a voltage with Gel batteries can cause bubbles to form in the gel, which reduces the performance. I'd check the maximum charging voltage of your Gel battery. DETAILS Below are some detailed observations on charging, for those who want the nitty gritty. I didn't measure the current coming out of this charger, just the voltage while it was connected to SLA automotive batteries. When connected to a battery which is NOT installed in a vehicle (so it has no load on it), the charging circuit turns on and off fairly frequently (every 20-30 mins?) for brief periods. Once the battery drops below about 12.85 V, it will charge at up to about 14.9-15.0 V for a few minutes, then will shut off. When connected to a battery which IS installed in a vehicle (meaning there is always a small load on the battery), the observed charging behavior is somewhat different, and seems to be two-stage. In this case, when the battery drops below the float voltage of about 12.85 V, the charging circuit will come on and the voltage will begin rising gradually. This stage is probably constant-current charging at 2 amps. Once the voltage reaches about 14.85 V (which could take minutes or hours depending on the battery's state of charge), it will stay there for a few minutes, then will drop to constant-voltage charging at about 14.25 V. (Constant voltage charging means the voltage is held steady, which means the current is likely allowed to decrease below 2 amps. It's basically topping it off at this stage.) It will stay at that 14.25 V for maybe 30-90 minutes (depending on any minor loads on the battery), then will shut off. The battery voltage will then slowly decrease. In a healthy battery, it will level off at about 12.90 V. With most vehicles, there is still a small load even when off, so it will continue slowly decreasing. After usually a few hours, the voltage will reach the float voltage of about 12.85 V, and the two-stage charging cycle will begin again. All of this tells me that this is probably a pretty safe maintainer for a vehicle's battery, unlikely to overcharge by very much over time, yet keeping the battery well topped off. SLA batteries like a full charge, it helps their lifespan. So if you're not driving your vehicle every few days, keeping it on this maintainer continuously, or at least turning on the maintainer for a couple hours daily, will likely improve your battery's lifespan and performance. If you'd like to monitor what this or any other charger is doing, and keep an eye on a battery more closely over time, I found the ANCEL BM200 PRO 12V Lead Acid Battery Monitor to be very handy. You can see my review for that as well.
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Reviewed in the United States on December 3, 2022 by Buyer10
Great charger I use it on my wife's 2020 car when we are out of town to keep the battery at full charge. Works great
Reviewed in the United States on August 24, 2025 by Larry Mason
This unit has an inherent problem that has been recognized by others. As a matter of fact a video on how to use the charger had the issue and sent back the first charger only to get a second charge with the same issue. The charge lighter never goes to full once the battery is fully charged. My 12v battery was charged to 13+ volts and the light never switched to full. I returned the charger as faulty!
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Reviewed in the United States on July 18, 2025 by PAR-TEE
Good quality stuff, will definitely serve long time.
Reviewed in the United States on August 30, 2025 by Amazon Customer
Funciona excelente.
Reviewed in the United States on August 28, 2025 by Edwin Najarro
Good
Reviewed in the United States on August 29, 2025 by Diane Alexander
The media could not be loaded. Tested by charging 3 car batteries I knew to be good but low. All less than 30% one was less than 10%. Charged all 3 in one night. Could easily done one more in 24hrs. If all the way dead I’d say 2-3 a day. 4 if ur watching close and your water levels are good. Or battery is fairly new. To know, Connectors are kinda small. Be careful switching the ends so u don’t damage them. If u do I’m sure u could wire something up. Being as it comes with extra parts I wish it had a compartment or somewhere to store them. Not very big Not many options (but does what it’s supposed too No tester to see voltage no extras at all. The light will beep diff patterns if u have a bad battery but haven’t ran into that yet) Not for immediate jump start. (Will be great in addition to a jump box or cables but doesn’t have the output a starter draws. But give it an hour or 6-overnight if an older battery and you’ll get it cranking.) I keep it in my garage with my charging station. I have junk boxes I have a marine charger for my boat batteries I READ IN THE COMMENTS PPL USING THIS TO CHATGE MARINE BATTERIES. I HAVE A MARINE CHARER AND ITS GOT SO MANY FEATURES AND BEING MARINE BATTERIES ARE DIFF THAN CAR BATTERIES THEY CHARGE DIFF PLS RESEARCH IF WHAT UR DOING IS SAFE FOR YOUR SETUP. BUT TO BE SAFE CHARGE YOUR BOAT BATTERIES WITH A MARINE CHARGER
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Reviewed in the United States on January 16, 2023 by Freddy G.
I have a Schumacher that’s been in my shed for 20 yrs, works great. This Dewalt lasted 2 weeks in my dry basement and stopped working.
Reviewed in the United States on August 31, 2025 by Michael Mccormack