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Battery Tender 800 is a SuperSmart Battery Charger that will Constantly Monitor, Charge, and Maintain your Battery. It's Encapsulated and Protected from Moisture by an Electrical Insulation

4.7 out of 5 stars 2,071 ratings

Price: $56.49 & FREE Shipping
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  • All the charging characteristics of the Battery Tender Junior: fully-automated “SuperSmart” charging and maintaining, spark proof, reverse polarity protection, and short circuit protection
  • The interior is completely encapsulated, protected from shock, vibration, and moisture by an electrically insulating, thermally conductive, flame retardant, synthetic epoxy resin compound
  • This charger is no larger than a standard computer mouse yet packs 800 milliamps of pure constant current charging power and is listed in the California Appliance Efficiency Database
  • Includes alligator clips and ring terminals, and is perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or anywhere water is a threat, including lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell).
  • Solid new addition to the Battery Tender family of charger products
  • This compact 800 mA battery charger has all the charge characteristics of its cousin the Battery Tender Junior
  • It incorporates highly efficient surface mount technology electronic components
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Battery Tender 800 is a SuperSmart Battery Charger that will Constantly Monitor, Charge, and Maintain your Battery. It's Encapsulated and Protected from Moisture by an Electrical Insulation
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Item Dimensions 10.00 x 4.00 x 10.00 inches 2.88 x 3.13 x 8.63 inches 8.00 x 4.00 x 9.00 inches 11.00 x 4.00 x 11.00 inches 4.61 x 3.43 x 7.95 inches

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Product description

Features and Benefits: Fully automatic maintenance free charging Fully waterproof International design allows any input voltage (100-240VAC) Mountable Lightweight This compact 800 mA battery charger has all the charge characteristics of its cousin the Battery Tender® Junior. It incorporates highly efficient surface mount technology electronic components. The interior is completely encapsulated, protected from shock, vibration, and moisture by an electrically insulating, thermally conductive, flame retardant, synthetic epoxy resin compound. It's tough, affordable, and a strong, innovative battery charging solution. This charger is no larger than a standard computer mouse yet packs 800 millamps of pure constant current charging power. Coupled with a brain (IC chip), the charger will constantly monitor, charge, and then maintain your battery --- even while totally submersed under water! Perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or anywhere water is a threat. International universal input voltage works anywhere in the world 100-240 AC Volts 50/60 Hz.


From the manufacturer

About Us

Since the family started this company in 1965, Deltran Battery Tender has taken great pride in designing, manufacturing, and distributing technologically advanced products that meet the ever changing needs of our worldwide customers! Our strategic initiatives have continued to focus on innovation.

Here at Deltran, performance isn’t just a business, it’s a way of life. We are constantly striving to improve every element of our business. As the world advances, we remain state-of-the art with innovative designs and technologies.

Battery Tender’s BTP Microprocessor Technology and quick-connect convenience automatically maintains the batteries in all your vehicles. They are ready to go when you are! You just set it and forget it.

Battery Tender gives high quality, fast-charging convenience and performance.


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