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Waterproof Battery Tender Junior is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from AAAAAAA++++++++ great product i have gone through 3 - 3 bank chargers in my bass boat at twice the price and when 1 bank goes its junk this way if 1 goes bad i can still use the other 2 and not loose a weekend
Date published: 2010-01-26
  • 2015-04-26T09:33CST
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Waterproof Battery Tender Junior

Item #25092 Brand: Deltran

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


Deltran's Waterproof Battery Tender 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 Waterproof Battery Tender 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.
  • Specially designed to operate in wet, dry, hot or cold conditions
  • 100-240v AC input, for international use
  • 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 12v DC @ 800 mA

More info...

About Waterproof Battery Tender Junior

Microprocessor is programmed to correctly charge your battery, then automatically switch to a maintenance/float mode. Specially designed to operate in wet, dry, hot or cold conditions. Operating on the same principle as the original Battery Tender, our economy 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. Input 100-240v AC, 50/60 Hz.; output is 12v DC @ 800 mA.

5-year manufacturer's limited warranty.


The Waterproof Battery Tender 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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