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Battery Tender Jr 12V is rated 4.7368 out of 5 by 19.
Rated 4 out of 5 by from Works as advertised - a long term investment. These units differentiate themselves from units half the price in the quality of the case, leads, and the permanent leads with the connector. Other cheaper units have the same logic, cheaper cases, no connector to move between permanent and clip on leads. More expensive products claim to "desulpher" the plates, but given the limited life span of a lead acid battery, why spend the extra money? This is a well packaged product that I can expect to last a long time. It can survive being stepped on (oops) and will outlast the less expensive units I referenced.
Date published: 2010-12-12
Rated 5 out of 5 by from Essential for motorcycles I've had a two of these for years and they work great. We got a couple more bikes last year and needed a couple more to keep the batteries healthy over the Chicago winters. I trust these and on sale, they are a great value
Date published: 2015-01-08
Rated 5 out of 5 by from Great Product I bought one of these 3 years ago for my yard tractor and it has proved to be a good investment, I hook it up during long periods when it's not being used and I 've not had to worry about the battery being dead. I would recommend it to anyone looking for a trouble free way to keep a battery charged and ready when they need it.
Date published: 2012-11-09
Rated 5 out of 5 by from excellent Works as advertised. Follproof and well protected. Switches between three modes as required. Just plug and forget. No need to remove the battery for winter storage anymore and the car computers and memory will not have to be reprogramed on startup next sring. Fast shipping and good comms from Eastwood. Cheers.
Date published: 2009-12-20
Rated 4 out of 5 by from Works as expected Purchased this for my Corvette when it's put away for the winter. I like that it came with clamps and ring terminals. I put the terminals on the tractor and use the clamps on the car. The quick disconnect makes it easy to use on two batteries without having to remove the car cover and open the hood to remove.
Date published: 2009-12-21
Rated 4 out of 5 by from Excellent Product I have several vehicles I store over the winter and have had great success saving batteries since I began using Battery Tender products. The Battery Tender Jr is a must have. It works great, portable enough to fit in the glove box, and has not failed me yet!
Date published: 2010-02-23
Rated 5 out of 5 by from Battery Tender 12V Very nice product. Keeps my garden tractor battery charged, even in coldest winters in Buffalo NY. I have purchased 3 battery tenders from Eastwood. They carry nothing but the best. Very nice company to deal with, and always appreciate your purchase.
Date published: 2010-12-19
Rated 5 out of 5 by from battery tender JR 2nd one of these I've purchsed( this was was a gift to my nephew while his bike is stored when he goes over seas). As good as the next expensive model, maintians charge, is convenient and reliable. Cheaper than a new battery, well worth the price.
Date published: 2011-12-11
  • 2015-05-30T11:07CST
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Can I use the 12 volt junior on a sealed jell battery just like a regular acid cell battery

Asked by: Dana
Hello, Unfortunately this will only be good on lead and acid batteries.
Answered by: Ed O 88
Date published: 2014-10-17
  • 2015-05-30T11:22CST
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Battery Tender Jr 12V

Item #25070 Brand: Deltran

Maintains battery at full charge
while stored...won't overcharge


Deltran Battery Tender "Junior" charges your car's 12V battery, then maintains it at a full charge while stored...won't overcharge Car batteries in storage can lose significant capacity in just 12 to 20 days, depending on weather conditions and battery age. But unlike typical trickle chargers, this Deltran Battery Tender Jr. is programmed with a microprocessor that will correctly charge a battery, then automatically switch to a maintenance/float mode, without overcharging the battery that can cause permanent damage.
  • Just connect the alligator clips or ring connectors, plug it in, and you're set!
  • Spark-free, with short-circuit and reverse-polarity protection
  • Output is 0.75 amps

More info...

About Battery Tender Jr 12V

Microprocessor is programmed to correctly charge your battery, then automatically switch to a maintenance/float mode. Operating on the same principle as the original Battery Tender, our economy "Junior" plugs right into the outlet with its 12' cord to easily reach your vehicle. Includes alligator clips and ring connectors. Great for ATVs, bikes or in any tight spot. It will maintain a 100% charge constantly, without damaging the battery. Spark-free and temperature-compensated, with short circuit and reverse polarity protection. Output is 0.75 amps.

3-year manufacturer's limited warranty.
Due to state law this item can not ship to California or Oregon.The manufacturer has developed the Battery Tender High Efficiency Plus 022-0186G (30229) that can ship to all states.


The Battery Tender Jr. includes the charger, 12' power cord, alligator clips, ring connectors, and complete instructions.


Case temperature may reach 130 degreesF at low-battery charge levels.

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