Battery Tender Twin 800 12V Dual Battery Charger

by Battery Tender

Product Features

• Built-in "Supersmart" technology directed by the unit's IC chip not only fully charges your vehicle's battery when not in use, but safely maintains it at the proper storage voltage via float charge
• Sparkproof, as well as short circuit and reverse polarity protected
• Dual DC output and long cable capacity allowing for two batteries to be charged at once from a distance
• Easy to see, read and understand battery charge status indicator light display
• Classic V-Twin motorcycle outer housing mimics the sound of a motorcycle engine starting when you connect the charger to a battery

Product Details

Product Information [PDF]

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Troubleshooting Checklist [PDF]

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Installation Instructions [PDF]

• Product Dimensions: 14 x 7 x 9 inches ; 4.4 pounds
• Shipping Weight: 4.4 pounds (View shipping rates and policies)
• Shipping: This item is also available for shipping to select countries outside the U.S.
• ASIN: B000NCLHLQ
• Item model number: BT-TWIN-DL-WH
• Average Customer Review: 4.7 out of 5 stars  See all reviews (19 customer reviews)
• Discontinued by manufacturer: Yes

Product Description

Amazon.com Product Description

The Deltran Battery Tender BT-TWIN 800 International Battery Charger is the perfect way for motor-sport enthusiasts to express their love of classic hardware while keeping their vehicles safely and efficiently charged when not in use. Shaped to resemble a classic V-Twin motorcycle engine and able to play the sound of a motorcycle engine revving up when the charger is connected to a battery, it provides 12 Volt 800 mAmp power to up to 2 batteries simultaneously without risking damaging effects, like sulfation, caused by most trickle chargers on the market. Automatic battery charging power with a stylish, compact, lightweight design. View larger. Plenty of power The BT-TWIN 800 charger has two separate 12 volt outputs with 800 millamps of pure, constant current charging power. These two outputs mean that the unit is able to charge two batteries at the same time. In addition, other valuable power related features include a powerful "brain" (IC chip) that allows the charger to automatically monitor, charge, and then maintain your battery without harming it or sapping energy from it, and an easy to read and understand battery charge and status lights at the top of the unit. Although it is not recommend to operate this charger in extreme environmental conditions, it will charge batteries sized for ATV's, watercraft, motorcycles, boats, or just about any type of motor-sport vehicle. This unit will work anywhere in the world with an international universal input range of 100-240 AC Volts at 50/60 Hz. Striking V-Twin Design As its name indicates, the BT-TWIN 800 is a very close replica of the popular V-Twin motorcycle engine configuration. In addition, the unit contains an internal sound chip that mimics the sound of a motorcycle engine starting when you connect the charger to a battery. For your convenience, there is also a button to let you activate the sound at any time. This unique outer and finish does require a little extra care to avoid the risk of cosmetic damage to the housing, but this is easily done by simply exercising a little caution when handling the BT-Twin 800. Also, do not forget that this is an electrical appliance. Always use caution when handling appliances that are connected to AC power, or any other type of electrical power source. Lightweight, Mobile Design The BT-Twin 800 International battery charger is not designed to be mounted permanently on any surface, instead it has four nonskid pads under its base that allow it to sit on a level surface, like a table or work bench, and not move excessively while being used. This combined with the fact that it is very light--less than two pounds without cables--makes it very easy to use in the various areas that you store unused vehicles close to AC power sources. Key Features: Classic V-Twin motorcycle outer housing which mimics the sound of a motorcycle engine starting when you connect the charger to a battery. Built-in "Supersmart" technology directed by the unit's IC chip not only fully charges your vehicle's battery when not in use, but safely maintains it at the proper storage voltage. Sparkproof, as well as short circuit and reverse polarity protected. Dual DC output allowing for two batteries to be charged at once. Easy to see, read and understand battery charge status indicator light display. 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. Three-year Limited Warranty Deltran provides a limited three-year warranty on its Battery Tender BT-TWIN International Battery Charger (materials and workmanship only). This does not include outer case breakage or cosmetic flaws on the outer case unless such damage is reported in writing along with a copy of the purchase receipt, via mail, e-mail, or facsimile within 30 working days after the date on the purchase receipt. 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

Battery Tender BT-TWIN-DL-WH Twin 800 12V Dual Charger is a dual output battery charger that has all the charge characteristics of its cousins, the Battery Tender Junior and the Waterproof 800. In fact, it incorporates the same highly efficient surface mount technology electronic components that are used in the Waterproof 800. The BT-TWIN housing is a very close replica of the popular V-Twin motorcycle engine configuration. An internal sound chip mimics the sound of a motorcycle engine starting when the charger is connected to a battery and there is also a button to activate the sound at any time. This charger has 2 separate 12 volt outputs with 800 milliamps of pure constant current charging power. Coupled with the brain which is the IC chip, the charger will constantly monitor, charge, and then maintain the battery. It will charge batteries sized for ATVs, watercraft, motorcycles, boats, or just about any type of motor-sport vehicle. This unit will work anywhere in the world with an international universal input range of 100-240 AC volt at 50/60 Hertz.

Customer Reviews

Most Helpful Customer Reviews

8 of 9 people found the following review helpful:

5.0 out of 5 stars Battery Tender works great!, December 10, 2009

By 

Jason C. Smeed "Rockabilly Heaven, just three... (Rockabilly Heaven) - See all my reviews
(REAL NAME)   

Amazon Verified Purchase

This review is from: Battery Tender Twin 800 12V Dual Battery Charger (Misc.)

Perfect for keeping your show bike, show car or any 12 volt battery at it's peak charge. These will work just as well for a large Group 31 car battery as it will for your ATV so ignore the previous review. What it will never do is jump start a car with a dead battery. It isn't meant for this, it is designed to top off a battery then keep it at it's optimum charge level for long periods of time while never overcharging the battery. This means your car, motorcycle etc. will always have a fully charged battery so you won't need to jump start it in the first place. I bought two, one for my 2 show trucks and a second one for my Harley, now I need another bike to use with the second Tender!

4 of 4 people found the following review helpful:

5.0 out of 5 stars Great battery tender, November 4, 2009

By 

Richard Stone "Unity New Thought" (Billings, Montana) - See all my reviews
(REAL NAME)   

Amazon Verified Purchase

This review is from: Battery Tender Twin 800 12V Dual Battery Charger (Misc.)

This product does everything advertised. It has long cables which allows me to connect to one car in my garage and one under cover outside the garage. Simple to connect, good instructions, and cool looking to boot. You'll definitely get a charge out of this product.

3 of 3 people found the following review helpful:

5.0 out of 5 stars Great Little Charger, April 11, 2010

By 

Average Joe "Average" (Florida) - See all my reviews

Amazon Verified Purchase

This review is from: Battery Tender Twin 800 12V Dual Battery Charger (Misc.)

This is nice setup. It will maintain a good battery on two items without constant checking. Compact design lets you put it almost anywhere and long connectors will cover an average garage.