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Energizer ENC8A ENC8A 8-Amp Battery Charger/Maintainer

4.4 4.4 out of 5 stars 1,744 ratings
$48.97
FREE Returns
8 Amp
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Purchase options and add-ons

Brand Energizer
Color black
Item Weight 1.8 Pounds
Input Voltage 12 Volts
Current Rating 8 Amps

About this item

  • 9-step smart battery charger keeps batteries at optimal charge and lasting longer than simple chargers
  • Auto voltage detection between 6-volt and 12-volt batteries
  • Built-in protection guards against overcharging, reverse polarity, or short circuits
  • LCD display shows status and battery voltage measurement
  • Automatically adjusts the amperage rate to charge and maintain batteries
› See more product details

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Top Brand: Energizer

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Product Description

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Auto Voltage Detection

Detects 6 Volt or 12 Volt batteries, charges, and maintains them. Built-in circuit protection guards against overcharging, reverse polarity, or short circuits. This 6V & 12V battery charger automatically adjusts the amperage rate to charge and maintain batteries.

Energizer 8-Amp Fully-Automatic Smart Charger

8 Amp Fully Automatic Battery Charger with LCD Display

8 Amp Fully Automatic Battery Charger with LCD Display – This trickle charger for car battery automatically switches between charging mode and float mode monitoring. The built-in LCD monitor of this portable car charger will provide you with accurate status and battery voltage measurement.

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9-Step Smart Charging Technology

These car battery charging units help keep your batteries last longer than simple car chargers. High-frequency smart 9 step charging technology keeps batteries at an optimal charge. Suitable battery maintainer for cars, BMW, Van, motorcycle, campervan, RV, boats, and more.

Quick Connection Car Charger

Easy connection to vehicle battery using the included battery clips. Just connect the red clamp to the positive pole(+), and the black clamp to the negative pole. This battery charger is perfect and essential car accessories, motorbike accessories, and campervan accessories.

The Brand You Can Trust

Includes a five-year repair or replace and specialized customer representative via email phone or chat. From a brand you can trust! ETL Approved under UL std 1236 and CSA C22.2

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Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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    Price$48.97$71.99-35% $29.99
    List: $45.99    		$49.99$26.95-32% $27.35
    List: $39.99
    Delivery
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Customer Ratings
    4.44.4 out of 5 stars1,744
    4.74.7 out of 5 stars453
    4.64.6 out of 5 stars3,730
    4.34.3 out of 5 stars175
    4.54.5 out of 5 stars2,772
    4.54.5 out of 5 stars3,228
    Easy to use
    4.6
    4.7
    4.7
    4.4
    4.4
    4.5
    Value for money
    4.5
    4.6
    4.4
    3.7
    4.4
    4.3
    Light weight
    4.7
    —
    4.7
    4.8
    —
    4.6
    Easy to read
    —
    4.8
    —
    3.7
    4.5
    4.4
    Safety Features
    —
    —
    4.8
    —
    4.1
    4.5
    Sold By
    TECHBUY
    HULKMAN Direct
    Amazon.com
    ECO-WORTHY US
    NEXPOWER
    NEXPEAK CHARGER
    input voltage
    12 volts
    12 volts
    12 volts
    240 volts
    110 volts of alternating current
    110 volts of alternating current
    weight
    1.75 pounds
    856 grams
    —
    0.45 kilograms
    0.26 kilograms
    1.34 pounds

    Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    1,744 global ratings

    Customers say

    Customers like the performance, charging, ease of use, quality and value of the battery charger. For example, they mention it works reliably, charges rapidly and that it's easy to install and uninstall. That said, opinions are mixed on battery life.

    AI-generated from the text of customer reviews

    206 customers mention157 positive49 negative

    Customers like the performance of the battery charger. They say it works well, is effective, and reliable. Some say it continues to start flawlessly, and is powerful for their purposes.

    "It worked perfectly and was easy to use." Read more

    "Worked Perfectly no issues.And Fast Delivery." Read more

    "...You just can't get better service than this!The charger works perfectly now...." Read more

    "...started experiencing some weird electrical issues and then would not start. I hooked this up to the car batteries (there are two in my van)...." Read more

    131 customers mention105 positive26 negative

    Customers like the charging of the battery charger. For example, they mention it senses the battery and starts charging at an optimal level. Some say it charges rapidly, while others say it's a great charger that charges fine. Some mention that the 9-step system works well, and that it has been charging motorcycle and tractor batteries well for the past 4 years.

    "Worked Perfectly no issues.And Fast Delivery." Read more

    "...It charges fast, it does not over-charge, and in maintenance mode it is constantly desulfating, or more accurately for my new battery, preventing..." Read more

    "...But when I moved to the second battery, it seemed to charge fine. This purchase has saved me from buying new, expensive batteries annually." Read more

    "...Ability to fully charge discharged batteries, with voltages below 1.0V, if bad cells can be recovered by the Smart Steps, 11)..." Read more

    123 customers mention116 positive7 negative

    Customers find the battery charger easy to use. They mention that it's compact, easy to install and charge batteries, and the instructions are thorough and well written. They appreciate the simple menu and the ability to effortlessly start up a motorcycle or a winter stored car.

    "It worked perfectly and was easy to use." Read more

    "...It works great for that. It is pretty easy to use. Just hook it up like you would to charge a battery or jump a car...." Read more

    "...Screen is good size. Cords have a reasonable length. Clamps are easy to connect. Installation is VERY easy...." Read more

    "...Easy to install and uninstall. Inexpensive" Read more

    108 customers mention85 positive23 negative

    Customers like the quality of the battery charger. They say it's well-made, holds up perfectly, and has a nice quality feeling. Customers also appreciate the excellent product presentation, packaging, and quality of materials. They like the display and operation, especially the voltmeter. Overall, customers are satisfied with the features and reliability of the product.

    "Excellent product presentation, packaging, and quality of the materials. Screen is good size...." Read more

    "...Good product. Recommended." Read more

    "Easy to use. Fully automatic. Good product and great value for the money." Read more

    "Great product - works fine...." Read more

    99 customers mention88 positive11 negative

    Customers are satisfied with the value of the battery charger. They mention that it is effective, easy to use, and handy.

    "...Thus far recommend it! Good price and a nice toy to have in your garage. You never know! 😎..." Read more

    "...Easy to install and uninstall. Inexpensive" Read more

    "Great price and application availability." Read more

    "...It can charge 6V or 12V Batteries, 7) The price was very good for the features, 8)..." Read more

    35 customers mention31 positive4 negative

    Customers like the size of the battery charger. They say it's compact, easy to carry around, and perfect for most applications. Some mention that the screen is good size and the cords have a reasonable length.

    "...Screen is good size. Cords have a reasonable length. Clamps are easy to connect. Installation is VERY easy...." Read more

    "I LIKE THE SIZE AND THAT IT IS FULLY AUTOMATIC SO I DON'T HAVE TO WORRY ABOUT CHECKING IT AND CAN KEEP MY STATIONARY BATTERY CHARGED." Read more

    "...Small and compact. Back led is great in dark situations. The cords are fairly long and the clamps are Ok...." Read more

    "Nice it shuts off automatically if battery is fully charged. Nice size charger." Read more

    14 customers mention14 positive0 negative

    Customers find the battery charger very useful, handy, and smart. They appreciate the display and all the functions on the device. Some customers also say it's perfect for their needs and a great learning tool.

    "Exellent little device--so far. :-)" Read more

    "Easy to use, light weight, nice display, great features!" Read more

    "...It was a great learning tool and worked as advertised....by me." Read more

    "Compact little unit and it’s smart too. I use it on my tractor, cars, motorcycles and lawnmower. Very handy, highly recommend." Read more

    83 customers mention49 positive34 negative

    Customers are mixed about the battery life of the charger. Some mention that it keeps their batteries fully charged and ready to go, while others say that it never complained that the battery was bad or good.

    "...It also seems a great product to maintain a battery charge when not using your vehicles / boats frequently enough...." Read more

    "...It never complained that the battery was bad, nor did it ever say the battery was good. I switched it to the secondary battery, and much the same...." Read more

    "...It charges fast, it does not over-charge, and in maintenance mode it is constantly desulfating, or more accurately for my new battery, preventing..." Read more

    "...Keeps it peaked charged without over charging, cut off is 12.5 volts, then charges up to about 13.4 volts and then keeps 12.5 volts till I..." Read more

    Great little maintainer for the money!
    5 Stars
    Great little maintainer for the money!
    So far it’s been great, haven’t had any issues with it and it even kept my battery hot through multiple tests of the lights while I was upgrading my bike to LED’s.
    Hide
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    Top reviews from the United States

    Sylvia Addis
    5.0 out of 5 stars Good infestment for the money
    Reviewed in the United States on February 14, 2024
    Size: 2 AmpVerified Purchase
    It worked perfectly and was easy to use.
    Helpful
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    Raymond
    5.0 out of 5 stars Motorcycle battery charger
    Reviewed in the United States on March 17, 2024
    Size: 2 AmpVerified Purchase
    Worked Perfectly no issues.And Fast Delivery.
    Helpful
     Report
    Will Murray (Willscrlt)
    4.0 out of 5 stars I think it works well on good batteries, not sure with bad ones.
    Reviewed in the United States on December 18, 2019
    Size: 8 AmpVerified Purchase
    I bought this to maintain the charge on a UPS-style (that's an uninterruptible power supply, not the brown trucks) 12V lead-acid battery. It works great for that. It is pretty easy to use. Just hook it up like you would to charge a battery or jump a car. Plug it in, and adjust the settings if needed (it has always figured out the correct settings automatically for me).
    My vehicle's batteries were a bit different of a story. My minivan started experiencing some weird electrical issues and then would not start. I hooked this up to the car batteries (there are two in my van). I hooked it up to the main battery for over 10 hours, and it did bring the power up to 14.4V, but it kept cycling back down to 10.8 or so an then back up to 14.4. It never complained that the battery was bad, nor did it ever say the battery was good. I switched it to the secondary battery, and much the same. Well, I ended up taking it in to the dealership. Their expensive machine (which still took 6 hours to diagnose it) finally determined that the main battery had a dead cell in it, and it had to be replaced. The way the two batteries interact (the working battery helps to recharge the low battery) is probably why I saw the voltage fluctuations and the charger never completed the job (it couldn't, but it also couldn't tell the battery was bad). So, yes, it got my van charged enough I could drive it to the dealership (from a nearly dead state of 3V), but it was not able to tell me the battery was dead. If the second battery had not been helping out, it might have figured out my primary battery was bad, but I guess I will never know.
    Overall, I am quite happy with the charger for the original purpose. I wish it had instructions printed on the unit (for when I eventually lose or damage the manual) instead of dozens of warnings (that would be so much more helpful!). I also wish that it gave clearer results rather than error code numbers (which have to be looked up in the manual). These are the reasons I knocked off a star.
    One person found this helpful
    Helpful
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    Luis H. Camacho
    5.0 out of 5 stars Great product
    Reviewed in the United States on April 24, 2023
    Size: 8 AmpVerified Purchase
    The media could not be loaded.
     Excellent product presentation, packaging, and quality of the materials. Screen is good size. Cords have a reasonable length. Clamps are easy to connect. Installation is VERY easy. The charger automatically started it’s function at 12V, self-selected car, and started charging my car’s battery. I was driving to Austin and half way through, the battery warning indicator went off. I was able to drive the vehicle until the battery died at a gas station. Bought a new battery and replaced the previous one. Drove home with the full charge of the new battery. I ordered this product after reading several reviews carefully and got it today. I plan to drive the car to the shop and replace the battery generator (alternator). It also seems a great product to maintain a battery charge when not using your vehicles / boats frequently enough. I hope the product continues to work as well as for the past 5 Hr since it’s installation. Thus far recommend it! Good price and a nice toy to have in your garage. You never know! 😎
    Customer image
    Luis H. Camacho
    5.0 out of 5 stars Great product
    Reviewed in the United States on April 24, 2023
    Excellent product presentation, packaging, and quality of the materials. Screen is good size. Cords have a reasonable length. Clamps are easy to connect. Installation is VERY easy. The charger automatically started it’s function at 12V, self-selected car, and started charging my car’s battery. I was driving to Austin and half way through, the battery warning indicator went off. I was able to drive the vehicle until the battery died at a gas station. Bought a new battery and replaced the previous one. Drove home with the full charge of the new battery. I ordered this product after reading several reviews carefully and got it today. I plan to drive the car to the shop and replace the battery generator (alternator). It also seems a great product to maintain a battery charge when not using your vehicles / boats frequently enough. I hope the product continues to work as well as for the past 5 Hr since it’s installation. Thus far recommend it! Good price and a nice toy to have in your garage. You never know! 😎
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    3 people found this helpful
    Helpful
     Report
    Davey H.
    5.0 out of 5 stars * * * * * UPDATED from 2 to 5-star! GREAT SUPPORT and great product!- highly recommended!
    Reviewed in the United States on September 1, 2017
    Size: 2 AmpVerified Purchase
    * * * * * UPDATED from 2 to 5-star! GREAT SUPPORT and great product!

    I posted the 2-star review below mainly because this smart charger wasn't smart enough to remember or detect if the battery was 6v or 12v and thus wouldn't start without having to manually select the option each time. A day or so after the review, a person from the company called me personally and offered to resolve the problem. They actually agreed with my complaint and CHANGED THE DESIGN as a result so it would automatically remember the last setting and start charging automatically as soon as it's connected to the battery.

    They shipped me the upgraded version for no charge even thought the return period was long past. You just can't get better service than this!

    The charger works perfectly now. On another positive note, I'd been having the leave the original charger at the open end of my carport since it needed to be manually started. That's resuited in it being essentially outdoors and exposed to rain for almost a year. I've went out and found it dripping wet on several occasions and still it worked perfectly fine every time.

    ---------------------------------------------------------------------------------------------------------------
    Disappointed by this not-so-smart charger

    If you connect the battery and walk away, you'll come back to an uncharged battery. The charger will be stupidly flashing its lights and waiting on you to tell it if it's a 6v or 12v battery. No-name cheaper chargers can auto-detect the type of battery and automatically start charging. Can't believe this name-brand one doesn't. Would have returned it but was past 30 days before i found this fatal flaw. Buying another to replace this one with.

    As for functionality, well it's a charger and it charges if you press the right button- twice.
    One person found this helpful
    Helpful
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    Top reviews from other countries

    Translate all reviews to English
    Othskiracer
    5.0 out of 5 stars Compact size trickle charger
    Reviewed in Canada on July 22, 2023
    Size: 2 AmpVerified Purchase
    The perfect size to trickle charge charge our Camper battery. Energizer is a great and reliable brand and this one is a great price and easy to use
    One person found this helpful
     Report
    Foca_El_ Sablosisimo
    5.0 out of 5 stars Excelente precio y calidad
    Reviewed in Mexico on August 3, 2021
    Size: 2 AmpVerified Purchase
    Funciona muy bien! Y el precio esta genial! Muy barato para mi gusto!
    Report
    Danick Tremblay
    5.0 out of 5 stars Good price
    Reviewed in Canada on April 9, 2024
    Size: 2 AmpVerified Purchase
    Work well
    Report
    Marcos
    5.0 out of 5 stars Sin problemas y buena calidad
    Reviewed in Mexico on April 19, 2021
    Size: 2 AmpVerified Purchase
    Funcional al cien por cierto
    Report
    Good quality
    4.0 out of 5 stars Works well
    Reviewed in Canada on February 11, 2024
    Size: 2 AmpVerified Purchase
    Used for charging batteries
    Report