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DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer

4.6 4.6 out of 5 stars 4,669 ratings

To see product details, add this item to your cart. You can always remove it later.
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2 Amp
charger / maintainer

Purchase options and add-ons

Brand DieHard
Product Dimensions 3.88"D x 7.25"W x 6.75"H
Input Voltage 12 Volts
Current Rating 2 Amps

About this item

  • Micro processor controlled, fully automatic, 5-stage charging process for precise charging and monitoring batteries
  • LED indictor will flash if clamps are reversed and charger will not operate
  • Features battery maintaining to prevent overcharging, charging will resume if battery becomes discharged
  • Versatile quick-connect harness with 50A clamps, 12V accessory plug or permanent ring connectors
  • Quick connect harness's install fast for hard-to-reach motorcycle batteries
See more product details

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$49.93
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Sold by Off The Map Sales and ships from Amazon Fulfillment.
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DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer
DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer
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Price$49.93-20% $599.95
List:$749.95
$139.86$52.75-16% $38.52
List:$45.99
-22% $20.65
List:$26.50
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to use
4.6
3.9
4.7
4.7
Value for money
4.4
3.2
4.4
4.3
Safety Features
4.3
3.9
4.8
4.5
Sold By
Off The Map Sales
Amazon.com
Moofin
Amazon.com
Amazon.com
MOTOPOWER INC
input voltage
12 volts
120 volts
120 volts
12 volts
12 volts
110 volts of alternating current
weight
11 pounds
4.27 pounds
350 grams

From the manufacturer

DieHard 71219 Shelf Smart Battery Charger & Maintainer

Charge with Ease

This fully automatic, microprocessor controlled, 5-stage charging system with LED indicator lights provides precise charging and battery monitoring, guiding you through the charging process with ease.

Charging You Can Count On

Reverse Hookup Protection helps you charge more safely, shutting your charger off if clamps are incorrectly connected. Float Mode Monitoring keeps your battery at a normal voltage, maintaining the battery's charge. Get this charger that is backed by a 3-year warranty.

So Many Ways to Charge Up

The Quick Connect Harness is perfect for hard to reach motorcycle batteries, thanks to fast installation and 3 connector options: 50-amp clamps, a 12-volt accessory plug or permanently attachable ring connectors.

DieHard 71219 Battery Charger/Maintainer DieHard 71239 Platinum 6V/12V Battery Charger and Maintainer DieHard 30485 Smart Charger and Maintainer 6V/12V
Customer Reviews
4.6 out of 5 stars
4,669
4.6 out of 5 stars
4,669
3.4 out of 5 stars
62
Charge & Maintain
Current 2 amp 3 amp 3 amp
Automatic Voltage Selection
Automatic Charge and Maintain Function
Reverse Hook Up Protection
Multi Stage Charging
Display LED Indicator Scrolling Digital Display Scrolling Digital Display
Connected/Remotely Control

Product Description

Charge your car battery with the DieHard 71219 6/12V 2A Shelf Smart Battery Charger and Maintainer. The microprocessor controlled, fully automatic, 5-stage charging process precisely charges and monitors your vehicle's battery. Safety features are built-in alert you when the clamps are reversed and prevent overcharging. This unit includes 50A clamps, 12V accessory plug and permanent ring connector.

Product information

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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DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer


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What's in the box

  • DieHard battery charger
  • Permanent ring adapter
  • 12V accessory plug
  • Clamp adapter
  • Owner's manual
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    4,669 global ratings

    Customers say

    Customers like the performance, ease of use, charging, and value of the battery charger. For example, they mention it works well, it's easy to set up and use, and it charges batteries efficiently and with ease. That said, some appreciate the size, weight, and connectivity. That being said, opinions are mixed on the quality.

    AI-generated from the text of customer reviews

    387 customers mention327 positive60 negative

    Customers like the performance of the battery charger. They say it works well, has worked with every car that they have tried it on, and is easy to install. It works well for maintaining starting batteries on lawn tractors and snow tractors. Customers also say it's terrific for trickle mode chargers and works just plug and play. They mention it'll keep up with demands for a long time and is a nice little unit.

    "Has worked great for over 18 months now on my 997 Turbo. Great value & is versatile with multiple hookup options. Would recommend." Read more

    "This item works great for my lawnmower, and keeps it ready to run in between yard days!" Read more

    "...And the old quick release cable was and exact match. New one is working well. It will probably outlast me!" Read more

    "Small charger that works." Read more

    195 customers mention195 positive0 negative

    Customers find the battery charger easy to set up and use. They say it's convenient and anyone can hook it up. Customers also say it requires no input other than to get the clamps.

    "...It is very easy to use, just attach and plug in...." Read more

    "Easy to use and very well made!" Read more

    "...So friendly and easy to use...." Read more

    "...It took about 15 hours to fully charge. Easy to use but a couple comments about its design...." Read more

    160 customers mention127 positive33 negative

    Customers like the charging of the battery charger. They mention that it is a gentle charger that charges the car battery without any issues. They say it is efficient and with ease, and it has 4 stages and a trickle charge. Customers also say it's a smart charger that plugs in and does the job.

    "...The DieHard does a great job deep charging your cells, which is the best option for your batteries...." Read more

    "...These are battery maintainers not chargers and catch the voltage dips to keep your batteries at 100% On all my cars I used the short quick connect..." Read more

    "This is a neat charger. I don't know how necessary the rolling (scrolls across the screen) LED banner is, but it sure is cool...." Read more

    "...a fantastic gizmo to have and use for car battery maintenance and easy charging...." Read more

    149 customers mention149 positive0 negative

    Customers are satisfied with the value of the battery charger. They mention that it performs well for the price, is an excellent buy, and is a good quality investment. Some say that the charger is very cheap and an inexpensive way to charge the battery.

    "Has worked great for over 18 months now on my 997 Turbo. Great value & is versatile with multiple hookup options. Would recommend." Read more

    "...Definitely worth the price as opposed to a trickle charger that will ruin your batterys ability to hold a charge...." Read more

    "A fairly low AMP charger (maintainer) that was relatively inexpensive...." Read more

    "...I got this as a second from the Amazon warehouse for 21$. Well worth the money. I will re-review when and if I can charger my battery...." Read more

    70 customers mention58 positive12 negative

    Customers like the size of the battery charger. They say it is small enough to get the job done, versatile for its size, and easy to store. Some mention that it works well and is versatile for the size. Overall, customers are satisfied with the size and functionality of the product.

    "...It's compact, light, with 4-stage charging & maintenance for small batteries...." Read more

    "...Works fine for me, safe, compact, quiet, easy to use.Not ideal if you are in a hurry to charge." Read more

    "It's small. It stays in its original box. It has zero bells or whistles...." Read more

    "Smaller and lighter than I expected. Easy to use. We have a pickup we don't use often. We just bought a new battery last year...." Read more

    40 customers mention40 positive0 negative

    Customers find the weight of the battery charger to be small, light, and portable. They also say it's a great compact charger and beats dragging large chargers out.

    "It is a great compact charger. I recommend it!" Read more

    "...but to small that you will misplace it its small size makes it easy to travel with but one more its a charger not a jumper i say get it whats the..." Read more

    "...what group has purchased, I suppose, the name, but this light weight small trickle charger is just what I have been seeking...." Read more

    "...Light weight and easy to use. While trickle charging you read the display with the push of one button. Excellent buy!!!!" Read more

    34 customers mention32 positive2 negative

    Customers like the connectivity of the battery charger. They say it comes with several interchangeable ways of connecting, making it easy to connect and disconnect. Some customers also appreciate the permanent hookup and quick connect type connector. Overall, customers are satisfied with the connectivity and adapters provided.

    "...Great value & is versatile with multiple hookup options. Would recommend." Read more

    "...The connects are easier to tell my wife and daughter how to remove when they want to use the golf cart instead of the clamps...." Read more

    "...All connections were tight and it definitely works as described! Right there it deserves 5 Stars!..." Read more

    "...I like the fact that they come with 3 different ways to attach them to a battery...." Read more

    262 customers mention160 positive102 negative

    Customers are mixed about the quality of the battery charger. Some mention it's a reliable charger that holds up pretty well, while others say that it aborted the charge and the battery was dead as a hammer.

    "...does a great job deep charging your cells, which is the best option for your batteries...." Read more

    "...Batteries don't live forever and cannot be resurrected. Time for a new battery!..." Read more

    "Easy to use and very well made!" Read more

    "...would kill new batteries with idle rare use but this has made my batteries last longer...." Read more

    Good value for a battery maintainer but not so great in starting capability & other features
    3 Stars
    Good value for a battery maintainer but not so great in starting capability & other features
    There are 3 different Diehard models combined in the reviews here, the 71219 (2 amp), the 71321 (6 Amp), and the DH137 (10 Amp). This review is for the DH137 charger and maintainer.I recently bought the DH137 after my 10-year-old Craftsman charger (which looked similar to this Diehard model) finally died. Based on some recent research, the DH137 appears to be a Diehard re-branded version of the Schumacher model SC1282 or SC1339. The SC1282 is available at other retailers for about $40.00 and the SC1339 is currently on sale at Amazon for $56.02 (https://www.amazon.com/Schumacher-SC1339-10A-Battery-Charger/dp/B0789HH4D8/).I’ve used this charger about 10 times to charge or maintain the batteries in the vehicles that I garage keep and don’t drive often enough to keep the battery charged by the alternator. While this charger does a good job of maintaining the battery for those types of situations, it does not have good starting capability for a dead battery. When the battery was completely drained on my daily driver Ram truck, it took nearly 48 hours to charge the battery well enough to start it.Depending on the car’s electrical system and the extent of the battery discharge, you may need to remove the battery from the vehicle or completely disconnect the positive and negative cables to get the charger to enter desulfation mode. It worked fine on my 2019 Charger Scat Pack, but after multiple attempts on my 2012 SRT8 Challenger, I had to remove the battery to get the charger to disulfate the battery. This seems to be a common problem with all newer digital battery chargers, to include the Schumacher models, with automated microprocessor circuitry.The DH137 also only has a two light system that indicates the battery is either charging or is being maintained. Based on the pictures in the Amazon description, I was expecting it to be sort of a LED percentage bar that would provide an indication of what percentage of the battery is charged (like my Craftsman model did), but that is not the case.The DH137 does what it was designed to do, but for the money I could have bought a much more capable Schumacher or other model that would have the additional features I was expecting. If you're looking for something with similar capabilities but for a lower price, then consider the Schumacher SC1282 or SC1339 instead. If you want something with more capability for around the same price that the Diehard DH137 costs, then consider the Schumacher SC1341 (https://www.amazon.com/Schumacher-SC1341-100A-Battery-Charger/dp/B0789F5TF9/) or the Diehard 71326 (https://www.amazon.com/DieHard-71326-Battery-Charger-Starter/dp/B07777DLBX/?th=1).
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    Top reviews from the United States

    Reviewed in the United States on October 30, 2023
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Reviewed in the United States on December 16, 2023
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Reviewed in the United States on January 18, 2024
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on November 8, 2023
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on January 28, 2024
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Reviewed in the United States on May 20, 2023
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on March 18, 2024
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Reviewed in the United States on July 4, 2019
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Customer image
    5.0 out of 5 stars I use on cars new and classics ,boat,motorcyle and even lawn tractor 12 Volt
    Reviewed in the United States on July 4, 2019
    Some of my cars only get driven 250-500 miles a year mainly used just for car shows. This would kill new batteries with idle rare use but this has made my batteries last longer. These are battery maintainers not chargers and catch the voltage dips to keep your batteries at 100% On all my cars I used the short quick connect lead that comes in box vs the clamps. You can use the very short 18" lead or buy the extended lead at added cost to route through the grille The great thing with this extra step is you now have to only park your car at home and not lift the hood as I fished the end of the quick connect through the grille. A qualified tech can install with quick connect lead with correct guage extra auto wire soldered the connection observed wire polarity and in the wire added a fuse in line next to battery. Then covered the wire with protective wire loom see pic below covering the wire. it has a weatherproof cap. Assume your own risk and do not try this unless you know what you are doing running the longer length wire and connect to correct polarity ends at battery, If you fuse it nest to battery it would be safest My newer cars I fished the lead at rear of raised rear hood on one side away from the wipers. You can hide the connect this way, Pull in plug in and drive off. The plus is you always have a !00% charged battery in in our snowy northeast winters. I never use the cigarette lighter accessory provided that you plug straight into the lighter. It may be in the box and provided as a option but I am not a fan of backfeeded voltage all throughout the cars instrumentation finding getting back to the car battery this way. I would only use the clamps or quick connect straight going to battery. To know its fully charged just look and see the green light on the Diehard maintainer.
    Images in this review
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    9 people found this helpful
    Report

    Top reviews from other countries

    George C.
    5.0 out of 5 stars Good product..
    Reviewed in Canada on February 10, 2021
    Carmen Elektra
    5.0 out of 5 stars Great product. Easy to use.
    Reviewed in Canada on October 15, 2020
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    Hollier F.
    1.0 out of 5 stars 120v input voltage - not much use in the UK
    Reviewed in the United Kingdom on April 27, 2021
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    John D BIGRAS
    5.0 out of 5 stars Ok
    Reviewed in Canada on October 22, 2019
    Nik - Ontario
    5.0 out of 5 stars Does exactly what it should do.
    Reviewed in Canada on July 23, 2019
    Size: 2 AmpStyle: charger / maintainerVerified Purchase
    One person found this helpful
    Report