Battery Tender Junior Charger

4.5 stars
By: Generic
Walmart #: 001078098
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  • 12' output cord
  • Spark-proof
  • Complete 4-step charging program
  • Customers also considered

    About this item

    The Battery Tender Junior Charger is much more than a trickle charger. It is lightweight, compact, fully automatic and very easy to use especially in small spaces. The car trickle charger chargers offers ideal solution for keeping your vehicle batteries optimally powered when they are not in use. Whether it is a lead-acid battery, including standard and sealed AGM and GEL Cell battery types or any other kind, the 12v Automatic Battery Charger can be used to charge them all. It uses a 4-step charging program and is spark proof. The Battery Tender Junior Charger comes with a 12-foot output cord and allows for maximum optimization of battery power, without overcharging. The 12-volt battery charger is eco friendly and an excellent mean of ensuring that your battery is fully charged throughout.

    Battery Tender Junior:

    • Perfect for all lead-acid, flooded or sealed maintenance-free batteries (AGM and gel cell)
    • Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
    • Automatically switches to float/maintenance voltage after fully charging the battery
    • If the battery voltage drops too far under load, full charger output power resumes
    • Solid state, 2-color LED indicates stage of charger
    • Spark-proof
    • Reverse polarity protected
    • 12' output cord
    • 5 year warranty


    Battery Type: Does Not Contain a Battery
    Model No.: 021-0123
    Shipping Weight (in pounds): 1.6
    Product in Inches (L x W x H): 3.3 x 2.3 x 1.9
    Assembled in Country of Origin: Imported
    Origin of Components: Imported
    Walmart No.: 1078098

    Customer reviews

    Customer Reviews | 207 reviews | 4.7 out of 5

    4.5 stars

    207 reviews | 4.7 out of 5

    5 stars
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    Would recommend to a friend



    Battery Tender Is The Best

    Customer review by Leprachan

    5.0 stars by Leprachan

    I have been using a Battery Tender many tears for my Harley-Davidson to keep the battery fully charged year around. I bought this Battery Tender Jr. for my John Deere tractor to keep the battery fully charged on a year around basis. Batteries last so much longer when they do not have a major swing in there charge. Great thing to have if you want to make sure you always have a full charge. Great for even storing your vehicle over the winter and not have to worry about a frozen battery or loosing all your electrical settings.

    Was this review helpful? (39) (2)
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    Baraboo WI
    Would recommend to a friend? Yes
    Ownership:2 - 7 weeks
    Age:65 or older
    Usage:Every day
    Great Product Line- Battery Tender

    Customer review by DesertRat47

    5.0 stars by DesertRat47

    I own three of the Battery Tender line of products. This one, to keep a back-up battery for my whole house generator ready for duty & two other units (a waterproof 800 & a Power Tender). The other two keep my RV chassis & coach batteries fresh when the RV is not in use. All the Battery tender units work great & keep the batteries in "like new" condition.

    Was this review helpful? (47) (9)
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    Southern Utah
    Would recommend to a friend? Yes
    Ownership:2 - 7 weeks
    Age:55 - 64
    Usage:Every day
    Great for their intended use.

    Customer review by snowman5509

    5.0 stars by snowman5509

    This does exactly what it is supposed to do, keep auto and deepcycle batteries fully charged without overcharging. If you have a dead battery, it will take forever (if at all) to charge it up. Its float charge is 13.05-13.08V, pretty consistent across the four chargers I own. I am able to keep two 115Ah batteries fully charged on one Tender Jr., but have to fully charge them with a standard charger then disconnect and immediately attach Jr. So, I have eight deepcycle batteries that the four Jr chargers are able to keep topped off. With a couple of 12V-110V 1500 watt power invertors I am able to run my furnace, refrigerator, tv and a few lights when the power goes out. I'm in Minnesota, today its -10, so power outages can cause some pretty severe problems fast.

    Was this review helpful? (19) (0)
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    Edina, MN
    Would recommend to a friend? Yes
    Ownership:Longer than one year
    Age:55 - 64
    Usage:Every day
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    1-3 of 185 total reviews See all

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    Product warranty: 5 years See details

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