| Battery Tender 021-0128 Battery Tender Plus 12V Battery Charger | 
| Brand: Battery Tender
Category: Automotive Parts and Accessories
List Price: $67.95
Buy New: $39.95
as of 9/4/2010 20:58 CDT details
You Save: $28.00 (41%)
New (28) Used (1) from $43.99
Seller: BUILDORBUST
Color: Black
Media: Misc.
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 20
Dimensions (in): 11 x 4 x 11
MPN: 210128
Model: 021-0128
UPC: 734357001280
EAN: 0734357001280
Release Date: December 1, 2006
Availability: Usually ships in 1-2 business days
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| Features:
| • | Solid state two color LED indicates stage of charger; a quick connect harness for use in hard to reach areas | | • | 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 and float mode) that maintains batteries at full charge without overcharging via its 4-step charging system | | • | Automatically switches to float/maintenance mode voltage after fully charging the battery | | • | Temperature compensated to ensure optimum charge voltage according to ambient temperature, and spark proof and reverse polarity protected; 10-year limited warranty |
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| Accessories:
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| Editorial Reviews:
Amazon.com Product Description
| 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. 4-step charging with automatic float mode.
View larger. | The 4-step charge cycle detailed.
View larger. | Safe, 4-step Battery Charging
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: - 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 and 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.
- Temperature compensated to ensure optimum charge voltage according to ambient temperature.
- Solid state two color LED indicates stage of charger.
- Spark proof and reverse polarity protected.
- Includes quick connect harness for use in hard to reach areas.
- 10 year warranty.
| Charger Models | Output Voltage | Output Current | Charging Software*/
Battery Type | AC Voltage/
Frequency Input | | (Volts) | (Amps) | | Battery Tender Junior 6V Battery Charger | 6V | 0.750A | 3 Step STD & AGM | 120 VAC, 60 Hz | | Battery Tender Junior 12V Battery Charger | 12V | 0.750A | 4 Step STD & AGM | 120 VAC, 60 Hz | | Waterproof 800 12V Battery Charger | 12V | 0.800A | 3 Step STD & AGM | 100 to 240 VAC, 50/60 Hz | | Battery Tender Plus 6V Battery Charger | 6V | 1.25A | 4 Step STD & AGM | 120 VAC, 60 Hz | | Battery Tender Plus 12V Battery Charger | 12V | 1.25A | 4 Step STD & AGM | 120 VAC, 60 Hz | | Battery Tender Plus 12V Battery Charger (Gel Cell) | 12V | 1.25A | 4 Step STD & AGM or GEL | 120 VAC, 60 Hz | | Battery Tender Twin 800 12V Dual Battery Charger | 12V | 0.800A | 3 Step STD & AGM | 100 to 240 VAC, 50/60 Hz | | Battery Tender 12V 2-Bank Battery Management System | 12V | 1.25A | 3 Step STD & AGM | 100 to 240 VAC, 50/60 Hz | | Battery Tender 12V 4-Bank Battery Management System | 12V | 1.25A | 4 Step STD & AGM | 100 to 240 VAC, 50/60 Hz | | Battery Tender 12V 5-Bank Battery Management System | 12V | 2.0A | 4 Step STD & AGM | 120 VAC, 60 Hz | | Battery Tender 12V 10-Bank Battery Management System | 12V | 2.0A | 4 Step STD & AGM | 120 VAC, 60 Hz | | *Note: All Deltran battery chargers will charge all types of lead acid batteries: either flooded (standard STD), sealed maintenance free Absorbed Glass Mat (AGM), or sealed maintenance free gelled electrolyte (GEL) batteries. However, for optimum battery performance in deep cycle applications (for example, running a trolling motor), it is best to chose the Deltran charger that has the charging software specifically designed for the battery type. Fortunately, since the technical staff at Deltran has developed charging software that works equally well for both STD & AGM batteries, the only choice to be made is between 2 models: either STD & AGM or GEL software. | 10-Year Limited Warranty
Deltran provides a limited 10-year warranty on its Battery Tender Plus 12-volt/1.25-amp Battery Charger to the original purchaser based on defective material or workmanship. Warranty is void in cases of product misuse, disassembly or modification. Other details regarding warranty limitations and procedures are contained in the Deltran Battery Tender Charger's general limited warranty information sheet enclosed with this product. |
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.
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| Customer Reviews:
 Battery Tender August 31, 2010
amesa
This battery charger works very well. I used it to maintain charged the battery for a 12 volt battery for my automobile during 3-4 months and performance has been excelent.
Works great! August 30, 2010
Michael S. Breault (Folsom, CA)
I am retired and drive infrequently. When I do drive, I make several very short trips so my battery is starting my car several times without getting a good charging. I put this on my battery every week or so and the battery is always fully charged. It takes about 24 hours to restore my battery to full charge. This is perfect for me. It works great! The seller shipped it promptly. I could not be more satisfied.
Very good if your battery has some life left August 27, 2010
Bearwife (Seattle, WA USA)
This tender is great: it is small, it is easy to connect, and it works. Though it may take a day and a half or so to charge a very low battery. There are two problems to beware of: 1) It really won't work if your battery is fully drained or close to dead. It will just sit there, flashing its red light at you. You have to jump the battery and bring its voltage up a little before the tender will provide it with any charge. (There are some portable jump starters on Amazon that do a fine job if your car, like ours, is in a position in the garage to which it is tough to get typical starter cables.) 2) The instructions on where to attach the cables are plain old wrong. Attach the cables as directed and you'll get the dread alternating red and green flashing lights, indicating that you have a faulty hookup. Instead, just connect the red cable clip to the positive terminal of your car battery and the black one to the negative terminal, and all will be well.
This thing is Perfect August 26, 2010
D. Miller (Mandeville, La. USA)
Over the past 10 or 15 years we've tried All Kinds of battery (Keep It Charged To It's Fullest) devices.
There is no need to mention the other 4 or 5 chargers that we've purchased but....
There IS a need to mention the Battery Tender Charger. This little thing works perfectly! I've had one connected to a Mighty Mule gate opener for years and years now and the battery remains Fully Charged without Overcharging!
So I'm ordering a couple more to keep the battery in my old truck (which I don't run often) and my tractor (that doesn't work much in the winter).
Believe me when I tell you that I've tried ALL KINDS of battery charger/maintainers in the past and NONE of them work as well as the little Battery Tender.
Fantastic Product!
Excellent Product August 22, 2010
kozchris (Boynton Beach, FL United States)
I debated between this and some cheaper knock-offs but finally decided to go with the Battery Tender. I have no regrets about my decision. I don't use my car (97, Accord) to drive much anymore and the (2 month old) battery seemed to always be dead when I did need the car which happens when you don't drive and your car sits in Florida sun.
I connected up the terminal adapter that came with the product to my car battery and left the connector hanging out from under the hood. I then plugged the Battery Tender to an outlet in the garage, connected an extension cable (which I additionally purchased) between the Battery Tender and the adapter attached to my car battery. My car battery was initially dead but after 2 days I checked the Battery Tender and said that it was now in float and the battery should be good to go. I disconnected the Battery Tender and the car started right up.
The Battery Tender works as designed and comes as a compact sturdy unit. For me this was a small price to pay to have piece of mind that my car will always start when I need it to.
Excellent product.
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