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read more Details The Battery Tender Plus 12-volt/1.25-amp Battery Charger could be the convenient solution to the challenge of keeping 12-volt vehicle batteries optimally powered when not in use. It is capable to charge any lead-acid battery--including standard and sealed AGM and Gel Cell battery types and is also designed to become easy to use in difficult spaces, to work with a 4-step charging program and safely function in a very fully automatic mode. Taken together this makes the Battery Tender Plus 12-volt/1.25-amp Battery Charger a fantastic method of making certain your battery is fully charged and ready to go once you are.
4-step charging with automatic float mode.
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The 4-step charge cycle detailed.
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Safe, 4-step Battery Charging
The Battery Tender Plus 12-volt/1.25-amp Battery Charger is significantly over a trickle charger. Powered by BTP microprocessor technology, it includes a "brain". Utilizing a 4-step charging program (initialization, bulk charge, absorption mode and float mode), it allows you to definitely simply connect the charger with a battery, in both or out of a vehicle, and turn out forgetting about it until you are ready to set it to work. Like all Battery Tender chargers, in the end in the regular charger cycle the it automatically switches its output voltage to your safe, storage or float level that eliminates the must worry in relation to its the damaging outcomes of overcharging, and also the resulting need to check about the condition with the battery. If or in the event the battery voltage drops much under load, output power resumes and also the charging cycle begins again. The unit also features sparkproof connectors, short circuit and reverse polarity protection, an easy to understand charging status LED indicator, a quick connect harness to be used in hard to succeed in areas and almost no current draw from batteries connected to.
Key Features:
Perfect for those 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 it voltage drops too much under load, full charger output power resumes.
Temperature compensated to make sure optimum charge voltage in accordance with ambient temperature.
Solid state two color LED indicates stage of charger.
Spark proof and reverse polarity protected.
Includes quick connect harness to be used in hard to succeed in areas.
10 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 kinds 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, managing a trolling motor), it is better to chose the Deltran charger which includes the charging software created specifically for the battery type. Fortunately, because the technical staff at Deltran has developed charging software that works well equally well for STD & AGM batteries, the one choice being made is between 2 models: either STD & AGM or GEL software.
10-Year Limited Warranty
Deltran provides a restricted 10-year warranty on its Battery Tender Plus 12-volt/1.25-amp Battery Charger to the original purchaser depending 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 particular product.
BatteryTender Plus is the most advanced charger/maintainer about the market specially created for today's sealed lead acid batteries. The BT Plus uses micro-processor technology inside a four stage charging profile to charge, improve, and float your battery so it can be ready when your are. Constant current charging and regulated voltage patterns allow the battery being recharged fully and safely without the fear of overcharging.
Product Features
Solid state two color LED indicates stage of charger; a quick connect harness for use in hard to reach areas
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) that maintains batteries at full charge without overcharging via its 4-step charging system
Automatically switches to float/maintenance mode voltage after fully charging the battery
Temperature compensated to ensure optimum charge voltage according to ambient temperature, and spark proof and reverse polarity protected; 10-year limited warranty
