Battery Tender 021-0128 Battery Tender Plus 12V Battery Charger

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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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.

• Binding: Misc.
• Brand: Deltran
• Color: Black
• EAN: 0734357001280
• Feature
  • 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
• Label: Deltran
• Manufacturer: Deltran
• Model: 021-0128
• MPN: 210128
• Package Quantity: 1
• Product Group: Automotive Parts and Accessories
• Product Type Name: AUTO_ACCESSORY
• Publisher: Deltran
• Release Date: 2006-12-01
• Size: 12V/1.25A
• Studio: Deltran
• UPC: 734357001280

Just plain works, 2010-03-18;   By: L. Stockler(British Columbia Canada)
I have a '01 Yamaha FZ1 with a 10 year old Battery Tender attached to it for at least 6 months of the year. The Yamaha/Yuasa sealed battery is still the original factory unit, to my dismay (I grew up with wet 6V Yuasas on the 70's). Battery is going on 10 years but starts strong and holds charge without a problem... it is hard to believe.

This would NEVER occur before I started using this thing - any bike would have a weak battery within 4-5 years of installation if the bike saw no action for a good part of the year.

I also have a Ford Powerstroke Diesel truck (don't ask) with its two batteries that sees very little use during winter and sits outside and exposed. I have a Battery Tender attached to it and the truck starts strong. This was not the case before I replaced the batteries and installed a second Battery Tender for it.

Last but not lease if you go to any BMW dealer you will see BMW re-badges Battery Tenders and sells them as a BMW accessory to help keep their electronic-heavy models from dying in the garage when they are not used often enough...

Battery Tender, 2010-03-18;   By: Albert R. George II
I ride a Goldwing Trike and I have had a battery tender for years. Nothing else lets me keep the battery in the bike in the winter without the cold damaging the battery. I have found that it extends the life of the battery by as much as 2 years. Amazon had the best price and the service and delivery were excellent.

GREATEST BATTERY PRODUCT, 2010-03-16;   By: AD(CALIFORNIA)
This is the first time I have purchased a battery tender.
It has worked great for my auto battery.
The size of the tender is perfect. It has kept the battery charged ever since, especially since the battery sits.
Highly recommend it to everyone. Fast delivery service from Amazon and it was in stock.

Great product, 2010-03-16;   By: D. Cambria(Southern Calif. desert)
This product works EXACTLY as advertised. Easy to install and "idiot prof." If you leave you vehicle parked for extended periods of time, you need a Battery Tender. (No I don't work for the company.)

another good review for the battery tender, 2010-03-14;   By: Scott
I was using a black & decker "smart charger" before this and it sucked. would always give me errors no matter the battery I tried

got the battery tender and it works fine. used it a few times on various batteries and has always worked.

side note for optima people: your really only supposed to charge at 1AMP. but the battery tender is only 1/4 amp over that. alot of people are using typical 2AMP chargers and getting away with it. just saying per optimas website its supposed to be 1AMP max.

happy charging

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