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Battery Tender Plus 12V 1.25 AMP Car & Motorcycle Battery Charger and Maintainer, Float Charger for Automotive, and ATVs - Smarter Than a Trickle Charger

4.8 4.8 out of 5 stars 20,012 ratings
This item cannot be shipped to your selected delivery location. Please choose a different delivery location.
Brand Battery Tender
Color Black
Product Dimensions 2.93"D x 3.25"W x 4.87"H
Item Weight 1.5 Pounds
Output Voltage 12 Volts

About this item

  • Adaptive Smart Charging: Our battery maintainer adapts to the needs of your 12V battery, ensuring optimal charging and extending battery life. Ideal for Automotive, Motorcycle, and Lawn Mowers.
  • 4-Step Charging Program: This 12V battery charger safely charges and maintains your battery utilizing a 4-Step program to promote optimal battery health. Smarter than a trickle charger.
  • Includes: 12V, 1.25 AMP battery charger, fused ring terminal and alligator clip accessory cables, 10-year warranty, and lifetime customer support.
  • Quick Disconnect Harness: Easily connect and disconnect with our quick disconnect harness. This 12V battery charger makes maintaining your battery hassle-free, ideal for those who appreciate convenience and efficiency.
  • Two-Color Charge Status: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, charging will resume full charger output power.
› See more product details

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Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.

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Customer reviews

4.8 out of 5 stars
20,012 global ratings

Customers say

Customers like the battery charger for its ease of use, battery life, and build quality. They mention it works well, keeps the battery charged, and is easy to set up. Customers also appreciate the value for money, size, and speed.

AI-generated from the text of customer reviews

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Works wellBattery lifeEase of useBattery chargeBuild qualityValue for moneySizeSpeed
2,878 customers mention "Works well"2,696 positive182 negative

Customers are satisfied with the battery charger. They mention it works well and their cars start right away.

"...This price was good!It works great, and is easily detached to drive the car...." Read more

"...Out and I didn’t need to be without one..These do work great and save your battery…My Goldwing in 20 years is on only its second Battery…It’s been..." Read more

"...The tender is working as expected. Its manual explains what its various lights signify when they're flashing or solid...." Read more

"...Great item and highly recommended for keeping smaller motive power 12V batteries fresh and ready to go." Read more

1,682 customers mention "Battery life"1,442 positive240 negative

Customers like the battery life of the product. They mention it maintains the battery charge, increases the life of now very expensive batteries, and is reliable. Some say it charges for a full 8 hours before their 12 volt was full.

"...Totally keeps my battery charged and is a durable charger. Compatibility Price is very good compared to Similar ones on the market...." Read more

"...the grille and has a weather resistant cap while the wire stays attached to the battery. Easy to reattach when I get home...." Read more

"...Out and I didn’t need to be without one..These do work great and save your battery…My Goldwing in 20 years is on only its second Battery…It’s been..." Read more

"...exactly the same as the older ones for performance and ease of battery maintenance...." Read more

936 customers mention "Ease of use"904 positive32 negative

Customers find the battery charger easy to use. They mention it's easy to set up, and the indicator lights tell them exactly what's going on. Customers also appreciate the great directions and that it works quickly.

"...Easy to reattach when I get home.Excellent purchase, and easy to use." Read more

"Easy to set up, and if you pay attention to it you can use it's basic functions to figure out if the battery is just bad." Read more

"...This new Battery Tender makes that both easy and inexpensive to do. Will update my review when I know just how long my battery lasts." Read more

"...That broke the cord for me. So I bought this new one. It is very simple." Read more

759 customers mention "Battery charge"537 positive222 negative

Customers like the battery charge. They mention it's an excellent charger that immediately recharged their car battery and keeps it fully charged. The charging and connectivity are spot-on, and it works great for charging and maintaining. Some say it's a reliable trickle charger that senses when the battery needs charging.

"...AGM has very low internal resistance, is capable to deliver high currents on demand and offers a relatively long service life, even when deep cycled...." Read more

"...Vehicle could only be charged from the front jump-posts, so trickle worked great!" Read more

"...If I remember correctly, the manual says that the tender will NOT charge a dead battery...." Read more

"👍👍 EXCELLENT CHARGER !! I use it on my CAN-AM DEFENDER !!..." Read more

710 customers mention "Build quality"607 positive103 negative

Customers like the build quality of the battery charger. They mention it's well-made, dependable, and has a prolonged life. Some say it has never failed and has very low internal resistance.

"...Totally keeps my battery charged and is a durable charger. Compatibility Price is very good compared to Similar ones on the market...." Read more

"...-maintainer five stars because it works great and its made of strong metal not cheap plastic...." Read more

"...These chargers are simple but very reliable, efficient and durable, wouldn’t buy any other brand!" Read more

"Reliable and proven" Read more

698 customers mention "Value for money"619 positive79 negative

Customers appreciate the value for money of the battery charger. They mention it's a worthy investment, easy to use, and inexpensive. Some say it comes with a warrantee slip and paper manual.

"...Compatibility Price is very good compared to Similar ones on the market...." Read more

"...The dealer would have sold me one for 4X the price of this. This price was good!It works great, and is easily detached to drive the car...." Read more

"...This new Battery Tender makes that both easy and inexpensive to do. Will update my review when I know just how long my battery lasts." Read more

"...Charges quickly. Good price for this quality." Read more

329 customers mention "Size"296 positive33 negative

Customers like the size of the battery charger. They mention it's compact yet powerful, simple to use, and doesn't take up much space in the garage. Customers also appreciate the larger indicators, bigger cooling slots, and suitability for motorcycles, ATVs, snowmobiles, and personal use.

"...They are commonly built to size and are found in high-end vehicles to run power-hungry accessories such as heated seats, steering wheels, mirrors..." Read more

"It’s small and easy to use" Read more

"...including flooded, AGM, and gel cell batteries, making it suitable for motorcycles, ATVs, snowmobiles, personal watercraft, and other powersport..." Read more

"I liked the model and size of the battery charger charges great - with a built in voltage regulator battery is charged it will charge up when there..." Read more

270 customers mention "Speed"265 positive5 negative

Customers are satisfied with the speed of the battery charger. They mention it's fast, easy, and responsive to load. They also say it allows an instant start and makes driving trips quicker and easier.

"This little tool has proven to be exactly as advertised. Charges quickly. Good price for this quality." Read more

"3rd one I've had of these over last 20 years. It charges fairly rapidly but most importantly goes into maintenance mode after full charge...." Read more

"Charges quickly!" Read more

"I bought this to charge and maintain my rv battery. Item was well packaged and works as stated." Read more

The GO TO battery keeper for all my bikes
5 out of 5 stars
The GO TO battery keeper for all my bikes
I've always had great success with these battery tenders for my motorcycles. Since I don't ride as much anymore, and have more bikes, they are critical for me to trust to have all up and ready to ride when I want to head down the road. So far I've had more milage out of the batteries for my bikes that the battery manufacturers ever say they are good for, and I've used these same tenders for quite some time. This is the first one of the latest "style" of these that I've gotten, but it seems exactly the same as the older ones for performance and ease of battery maintenance.Great item and highly recommended for keeping smaller motive power 12V batteries fresh and ready to go.
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Top reviews from the United States

David E. Bounds
5.0 out of 5 stars Amazing product
Reviewed in the United States on November 3, 2024
Verified Purchase
I can’t say enough about this product. I have had one for years for one mower and bought another for my second mower. Totally keeps my battery charged and is a durable charger. Compatibility Price is very good compared to
Similar ones on the market. Lights will blink red while charging and green when completely charged. Have a
Long enough cord so you don’t have to has it next to the equipment that you are charging.
2 people found this helpful
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LS
5.0 out of 5 stars Keeps my car charged!
Reviewed in the United States on August 22, 2024
Verified Purchase
I didn’t know these things existed till my seldom-driven car battery died in the garage. The dealership service manager recommended this for vehicles like mine that are rarely used. The dealer would have sold me one for 4X the price of this. This price was good!

It works great, and is easily detached to drive the car. The plug sticks through the grille and has a weather resistant cap while the wire stays attached to the battery. Easy to reattach when I get home.

Excellent purchase, and easy to use.
7 people found this helpful
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Stephen Head
5.0 out of 5 stars These to me are the Best chargers, Period..!!
Reviewed in the United States on September 20, 2024
Verified Purchase
I bought a Battery Tender like this in 1995 and
It still is working great!!! I bought this one as a backup because I figured the older would knock
Out and I didn’t need to be without one..These do work great and save your battery…My Goldwing in 20 years is on only its second Battery…It’s been plugged in and working since
1995…Can’t beat that…..!!!
4 people found this helpful
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Agatha Coronado
5.0 out of 5 stars It does its job, and then some!
Reviewed in the United States on January 9, 2013
Verified Purchase
UPDATE -- It's now been 3+ years since I purchased this battery tender, and I couldn't be happier with it. I've continued forgetting to start up my vehicle, so I've continued needing to charge its battery. Much to my surprise--and delight--I found that the Deltran Battery Tender *WILL* indeed charge a completely dead battery! Yep, I know it will, because I've now done it several times! In each instance I simply hooked it up and left it for about 12 hours. I have no idea how much of that time it actually needed, but by the 12 hour mark my battery was charged. This is in a Toyota RAV4. I LOVE this thing!

----------- original review -----------

Because of ongoing illness, I rarely leave my house any more. Despite my best intentions to start up my vehicle every few days...or once a week...or...whatever, its battery kept dying...because I didn't start it up often enough! I finally decided there had to be a better way to deal with this than continually getting the battery charged. That's where the Battery Tender Plus comes in.

I did some research to look for possible solutions, and once I learned about battery tenders, I was pretty sure I'd hit on a good one.

Keep in mind that I'd never used, never even HEARD about, battery tenders before. So I plunged in a little prematurely when I ordered this one. Let me explain. I was in such a hurry to get one that I didn't bother reading all the fine details about all the different tenders I viewed. I read good reviews and saw good ratings for this particular brand, went to their web site, found the correct voltage for my vehicle, and then ordered it. It wasn't until my friend and I were installing it that I realized it wasn't really suited, logistically, for my particular situation. I park my vehicle in my driveway [because there's no room in my garage *sigh*]. Once we attached the tender we realized I'd goofed. When it's attached to the battery, the hood of the car cannot be closed all the way. It's a combination of the clips adding height to the battery AND having the power cord hanging out.

You're not supposed to let the charger get wet, as in being outside in the rain, so we were kind of stumped. This model was clearly intended for a vehicle stored in a covered structure, where the hood could be left up and the charger wouldn't get wet. Before deciding to send it back, we thought we'd try doing a little rigging to make it work.

I pulled my SUV all the way up to the garage door, then we stuck the charger inside the garage and let the door down gently; the power cord fit under the door without being touched, so that was fine. I have a Toyota RAV4, and its battery sits IMMEDIATELY below the windshield; its cover actually forms part of what you see as the exterior of the car, i.e., if you're looking at it from the front, the part just below the windshield wipers actually consists of the battery cover on one side. Because we couldn't get the battery cover back down into its normal, flush position, we could see that this would be a problem letting rain in. We put the hood down [almost all the way], being mindful not to crush the cord. Then we took a plastic bag, covered the area where the battery cover is, anchored the bag under a windshield wiper, stuck something on top of the bag to keep it from blowing off, and, voila!, problem(s) solved. :)

If I had it to do over again, I'd definitely do a better job of researching the different styles battery tenders come in. I'm assuming there are self-contained units meant to be left installed at all times, with the hood shut, on vehicles not stored for months in a structure, only plugging/unplugging their power cord as needed. But live and learn!

Note that although the instructions strongly warn against using an extension cord "unless absolutely necessary," the supplied cord is ridiculously short. Personally, I don't have a GFCI outlet right next to my vehicle, so I had no choice but to use an extension cord.

The tender is working as expected. Its manual explains what its various lights signify when they're flashing or solid.

If I remember correctly, the manual says that the tender will NOT charge a dead battery. So if your battery is dead, get it charged first and then hook up the tender. (See UPDATE above!)
23 people found this helpful
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Ryan Dunbar
5.0 out of 5 stars Works great
Reviewed in the United States on November 13, 2024
Verified Purchase
Easy to set up, and if you pay attention to it you can use it's basic functions to figure out if the battery is just bad.
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Frank W.
4.0 out of 5 stars Small, lightweight, easy to use - and it works.
Reviewed in the United States on August 29, 2024
Verified Purchase
Extremely easy to use, just connect to vehicle and plug it in. My first glass mat battery so I needed the proper charger. After reading all of the online descriptions, reviews and comments I purchased this one and I couldn't be happier. I live in a very hot and humid part of the country where vehicle batteries are generally replaced after 3 years. 5 is max. Given the price for a new battery it just makes sense to keep the current one charged and properly cared for. This new Battery Tender makes that both easy and inexpensive to do. Will update my review when I know just how long my battery lasts.
One person found this helpful
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Orion Winder
5.0 out of 5 stars The GO TO battery keeper for all my bikes
Reviewed in the United States on September 17, 2024
Verified Purchase
I've always had great success with these battery tenders for my motorcycles. Since I don't ride as much anymore, and have more bikes, they are critical for me to trust to have all up and ready to ride when I want to head down the road. So far I've had more milage out of the batteries for my bikes that the battery manufacturers ever say they are good for, and I've used these same tenders for quite some time. This is the first one of the latest "style" of these that I've gotten, but it seems exactly the same as the older ones for performance and ease of battery maintenance.
Great item and highly recommended for keeping smaller motive power 12V batteries fresh and ready to go.
Customer image
Orion Winder
5.0 out of 5 stars The GO TO battery keeper for all my bikes
Reviewed in the United States on September 17, 2024
I've always had great success with these battery tenders for my motorcycles. Since I don't ride as much anymore, and have more bikes, they are critical for me to trust to have all up and ready to ride when I want to head down the road. So far I've had more milage out of the batteries for my bikes that the battery manufacturers ever say they are good for, and I've used these same tenders for quite some time. This is the first one of the latest "style" of these that I've gotten, but it seems exactly the same as the older ones for performance and ease of battery maintenance.
Great item and highly recommended for keeping smaller motive power 12V batteries fresh and ready to go.
Images in this review
Customer image
Customer image
2 people found this helpful
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Top reviews from other countries

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Uriel trejo
5.0 out of 5 stars Muy buen producto
Reviewed in Mexico on April 23, 2019
Verified Purchase
Excelente precio, dejo varios de mis vehículos por temporadas estacionados y está maravilla carga las baterías ya sea de autos clásicos, vehículos modernos, marinos y cuatrimotos, tarda en cargar una batería que se ha descargado más de una noche, por lo qué hay que usarlo con antelación
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1Cello1
5.0 out of 5 stars Worked like a Charm!!
Reviewed in Canada on April 6, 2019
Verified Purchase
This Battery Tender does exactly what it’s supposed to do. I got the plus because some of the smaller models are now made in China. This one is still made in the USA. My bike sat all winter in a Canadian garage (Ice Cold Beers - No fridge required) with the battery still in. I was fearful that I would need a new battery. Tried starting this spring and of course it was dead. Hooked up the battery tender in the evening and the next morning she fired up on the first try! Surprisingly it actually started faster than usual. Great product!!!
Customer image
1Cello1
5.0 out of 5 stars Worked like a Charm!!
Reviewed in Canada on April 6, 2019
This Battery Tender does exactly what it’s supposed to do. I got the plus because some of the smaller models are now made in China. This one is still made in the USA. My bike sat all winter in a Canadian garage (Ice Cold Beers - No fridge required) with the battery still in. I was fearful that I would need a new battery. Tried starting this spring and of course it was dead. Hooked up the battery tender in the evening and the next morning she fired up on the first try! Surprisingly it actually started faster than usual. Great product!!!
Images in this review
Customer image
Customer image
3 people found this helpful
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LF
5.0 out of 5 stars High quality, easy to use and works grrat.
Reviewed in Canada on December 16, 2019
Verified Purchase
This battery tender is very easy to use and hook up. LED lights tell you what is going on and also let's you know if it's not hooked up correctly. My second Battery Tender purchase and would buy again.
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Cliente de Amazon
5.0 out of 5 stars Baterias descargadas las mantiene cargadas
Reviewed in Mexico on September 16, 2017
Verified Purchase
Cargador de batería. Lo use desde el primer momento que llego. Lo conecte a una batería de camión diésel descargada. Sabia que duraría en cargarse aproximadamente 5 días y funciono correctamente. Seguí con las de mas baterías d retroexcavadora,camioneta, cuatrimoto. En estas últimas solo duro pocas horas. Realmente me gusto el cargador battery tender. Y Amazon prime excelente
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Amazon Customer
5.0 out of 5 stars Best thing for Canadian winter
Reviewed in Canada on December 31, 2023
Verified Purchase
The battery in my car keeps dying when the weather gets really cold, and my car won't start. When I have this battery charger plugged in, my car starts like a charm even when it is minus 15 degrees Celsius. Once, I forgot I had the charger plugged in, started my car and began backing it out of the garage. Now, I have a note attached to the car door handle: "DON'T FORGET TO UNPLUG FIRST!"
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