Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger Studio : Battery Tender by Battery Tender Brand : Battery Tender Model : 021-0123 Release Date : 2006-12-01 Publisher : Battery Tender Availability : Usually ships in 1-2 business days Color : Black EAN : 0700313085694 UPC : 734357000078 Avg. Customer Rating:(based on 328 reviews)
List Price : $39.95 Our Price : Too low to display
Features Of 'Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger'
Spark proof during lead connection, reverse polarity protected and includes a 12-foot output cord and 5-year warranty
Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell)
Complete 4-step charging program (Initialization, Bulk Charge, Float Mode) allows for optimization of battery power, without overcharging
Automatic charge cycle functionality switches to float mode after fully charging the battery
Solid state two color LED indicates stage of charger
Battery Tender Junior 12V Battery Charger is much more than a trickle charger. It has a brain, is lightweight, compact, fully automatic and very easy to use especially in small spaces. This battery charger will keep the battery fully charged so that it is ready to go always. It has a microprocessor controlled fully automatic charger and maintainer and is designed to extend the life of any lead acid battery commonly used in automobiles, motorcycles, ATVs, personal watercraft, RVs, boats, airplanes, golf carts, back-up generator systems, etc. Any vehicle or battery-operated piece of equipment not used on a daily or regular basis is a candidate for a Battery Tender charger. The advanced technology will bring the battery back to a full charge without overcharging and then float or maintain the battery for an indefinite period of time. The Battery Tender Junior comes equipped with alligator clips and ring terminals for easy hook up. An optional 25 feet extension cord (part number 081-0148-25) is sold separately.
4-step charging with automatic float mode. View larger.
Charge any lead acid battery, including AGM and gel cell. View larger.
Safe, 4-step Battery Charging The Battery Tender Junior 12-volt charger is much more than a trickle charger. 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 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/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 indicator consisting of a single LED, and almost no current draw from batteries connected to it. 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.
Solid state two color LED indicates stage of charger.
Spark proof and reverse polarity protected.
12' output cord.
5 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.
Five-year Limited Warranty Deltran provides a limited five-year warranty on its Battery Tender Junior 12V 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.
It comes with all the cables you need and the lenght of the cables are just right. The price was better than other places. It does the job its design to do.
Awful Battery Tender
My husband hates this battery charger, it doesn't work as good as the big chargers, he said it was a waste of money
Works for my 1981 Triumph
Bought this item to keep the battery charged on my 1981 Triumph TR-7. Thusfar it has worked as expected.
Battery Charger Tender Junior
This is a great product. I have bought 4 others to use on my motorcycle, Sea Doos and Ski Doos.
Battery charger
I bought this charger for a 12volt powerwheels and it works great. What I like is when the powerwheels is done I will still have a charger I can use on any 12volt battery.
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