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Product Information
Technical Details
| Brand | Battery Tender |
| Model | 0210128 |
| Item Weight | 2.3 pounds |
| Product Dimensions | 11 x 4 x 11 inches |
| Item model number | 021-0128 |
| Manufacturer Part Number | 210128 |
| ABPA Partslink Number | 13 |
| Amperage | 1.25 A |
| Voltage | 12 |
Additional Information
| ASIN | B00068XCQU |
| Best Sellers Rank | #23 in Automotive (See top 100) |
| Shipping Weight | 3 pounds (View shipping rates and policies) |
| Shipping | This item is also available for shipping to select countries outside the U.S. |
| Date First Available | October 2, 2003 |
Warranty & Support
Warranty, Parts: Parts
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Product Description
Amazon.com
| The Battery Tender Plus 12-volt/1.25-amp Battery Charger is the convenient solution to the challenge of keeping 12-volt vehicle batteries optimally powered when not in use. It is able to charge any lead-acid battery--including standard and sealed AGM and Gel Cell battery types and is also designed to be easy to use in difficult spaces, to utilize a 4-step charging program and safely function in a fully automatic mode. Taken together this makes the Battery Tender Plus 12-volt/1.25-amp Battery Charger an excellent means of ensuring that your battery is fully charged and ready to go when you are.
The Battery Tender Plus 12-volt/1.25-amp Battery Charger is much more than a trickle charger. Powered by BTP microprocessor technology, it has a "brain". Utilizing a 4-step charging program (initialization, bulk charge, absorption mode and float mode), it allows you to simply connect the charger to a battery, either in or out of a vehicle, and forget about it until you are ready to put the battery to work. Like all Battery Tender chargers, at the end of the regular charger cycle the it automatically switches its output voltage to a safe, storage or float level that eliminates the need to worry about the damaging effects of overcharging, and the resulting need to check on the condition of the battery. If or when the battery voltage drops too far under load, output power resumes and the charging cycle begins again. The unit also features sparkproof connectors, short circuit and reverse polarity protection, an easy to understand charging status LED indicator, a quick connect harness for use in hard to reach areas and almost no current draw from batteries connected to. Key Features:
10-Year Limited Warranty | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Product Description
BatteryTender Plus is the most advanced charger/maintainer on the market specially designed for today's sealed lead acid batteries. The BT Plus uses micro-processor technology in a four stage charging profile to charge, improve, and float your battery so it is ready when your are. Constant current charging and regulated voltage patterns allow the battery to be recharged fully and safely without the fear of overcharging.
Customer Reviews
Most Helpful Customer Reviews
321 of 324 people found the following review helpful
By F. Dumanoir
Amazon Verified Purchase
Every time I want to fire up my old 71 Datsun (that's Nissan for those of you younger than 30) 240 Z there's a good chance that the battery has drained down and that I can't start it! Looking around at car forums I read about this nifty little gadget....It's like a battery trickle charger....sort of. Whereas it's not recommended to keep a trickle charger hooked up all the time, this one has circuitry to limit the current and sense when the battery needs charging. It only charges at 1.25 amps which is easier on the battery.
I've had it on for a month now and it's great. The first couple of days, the red light was on indicating charging. Since then it's been on green and the car starts right up. I live in Houston where the heat and humidity can be just as brutal on batteries as the cold.
I highly recommend this "tender" for those that have cars that stay unused for long periods.
As other reviews have mentioned it comes with a set of adapters that allow you to permanently attach pigtails to the battery posts and then you can quickly connect the tender without having to use the alligator clips (also included).
For the price and free shipping you can't go wrong!
UPDATE after two years of use.
I can now reconfirm that these battery tenders work great - I've had them hooked up continuously on two cars that stay in the garage a lot and I've NEVER had them not start right up. A quick glance at the LED display lets me know that the batteries are either charging or fully charged. It's a real pleasure to be able to go right up and enjoy your wheels without having to worry about whether the battery is dead. I can't say for sure, but I suspect that it lengthens the life of the battery as well.
I've had it on for a month now and it's great. The first couple of days, the red light was on indicating charging. Since then it's been on green and the car starts right up. I live in Houston where the heat and humidity can be just as brutal on batteries as the cold.
I highly recommend this "tender" for those that have cars that stay unused for long periods.
As other reviews have mentioned it comes with a set of adapters that allow you to permanently attach pigtails to the battery posts and then you can quickly connect the tender without having to use the alligator clips (also included).
For the price and free shipping you can't go wrong!
UPDATE after two years of use.
I can now reconfirm that these battery tenders work great - I've had them hooked up continuously on two cars that stay in the garage a lot and I've NEVER had them not start right up. A quick glance at the LED display lets me know that the batteries are either charging or fully charged. It's a real pleasure to be able to go right up and enjoy your wheels without having to worry about whether the battery is dead. I can't say for sure, but I suspect that it lengthens the life of the battery as well.
118 of 120 people found the following review helpful
By Hal
Amazon Verified Purchase
This little gizmo is dynamite.
I have a 4 year old Accord that, due to circumstance, only has about 4400 miles. Rarely driven...and what driving is done is mostly at night.
Sat for a week once in very cold weather...dead battery.
Ordered this. Hooked it up. 100% charge and the battery is very powerful once again.( had thought I would probably need a new one).
It's very small size makes it extremely easy to use and store. And it will not overcharge, so you do not have to babysit the process.
It's LEDs glow red when charging. Green and red blink once 80% has been achieved. Solid green at 100%.
It did, in very cold weather, take a long time to establish a full charge on my almost completely discharged battery. The battery would have been usable in a few hours, but 100% took close to 18.
Highly recommended.
I have a 4 year old Accord that, due to circumstance, only has about 4400 miles. Rarely driven...and what driving is done is mostly at night.
Sat for a week once in very cold weather...dead battery.
Ordered this. Hooked it up. 100% charge and the battery is very powerful once again.( had thought I would probably need a new one).
It's very small size makes it extremely easy to use and store. And it will not overcharge, so you do not have to babysit the process.
It's LEDs glow red when charging. Green and red blink once 80% has been achieved. Solid green at 100%.
It did, in very cold weather, take a long time to establish a full charge on my almost completely discharged battery. The battery would have been usable in a few hours, but 100% took close to 18.
Highly recommended.
66 of 67 people found the following review helpful
I have an older version of this charger that I bought in the mid 90's. I used it to maintain my garaged Mustang's battery over the winter months for many years. I made a cigarette lighter adapter so all I needed to do was to plug it in instead of using the alligator clips. I have to say this thing is dead reliable! It always kept my battery in prime condition. I love it and recommend it highly.
Most Recent Customer Reviews
5.0 out of 5 stars
My husband loves it
I bought this for my husband and he loves it. He says it really works great and is thinking of getting another one.
Published 8 hours ago by Susan Ewers
5.0 out of 5 stars
Battery Tender
A must-have for vehicles that are in storage. This battery tender is easy to use, and does what it is supposed to do.
Published 13 hours ago by LeRoy P. Smith
5.0 out of 5 stars
Battery Tender
Very easy to use, keeps a battery fully charged on cars that are not used very often. This is an excellent idea- and well engineered.
Published 22 hours ago by Henry Christoff
5.0 out of 5 stars
Fast!
I went back and forth with this charger for a while. After much thinking I went with it and was not disappointed! Read more
Published 1 day ago by Enzo F1
5.0 out of 5 stars
Great Charger
This is a great little charger. For ATV's lawn mowers, motorcycles you can't beat it. I would recommend this charger.
Published 5 days ago by James C
5.0 out of 5 stars
Will Use This Unit On My Riding Lawnmower In The Off Season
After doing alot of comparisons of battery tenders online, No one even can close to the 10 year warranty that comes with the 021-0128...... A+++++++++
Published 5 days ago by Larry
5.0 out of 5 stars
Power Up
This unit is a great choice for charging motorcycle batteries, especially AGM types that cannot be charged with a conventional charger.
Published 7 days ago by AZ Steve
5.0 out of 5 stars
SIZE IS NOT EVERYTHING/WHEN IT COMES TO BATTERY CHARGERS
AMAZON GOT THE BATTERY TENDER HERE WHEN THEY SAID. BATTERY CHARGER WORKED GREAT LIKE THE BATTERY TENDER PEOPLE SAID. THAT DOES NOT HAPPEN TOO OFTEN IN THIS WORLD TODAY. THANK YOU.
Published 7 days ago by Pam McBride
5.0 out of 5 stars
Works Good Last Long Time
I have 2 motorcycles, 2 ATVs, a riding mower, and a DR Field and Brush mower all stored for quick use when needed. Read more
Published 7 days ago by Troy A Sprenger
5.0 out of 5 stars
Impressed so far
No problems what so ever.
Have had quite a few trickle chargers and so far this one is the only one that actually works without any problems.
Have had quite a few trickle chargers and so far this one is the only one that actually works without any problems.
Published 7 days ago by Brian Craig
Listmania!
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