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Expert Answers about Battery


  • How Large Of Battery Can Hopkins Trailer Breakaway Kit Battery Charger # 20011 Trickle Charge
  • I contacted our representative at Hopkins and he informed me that the Trailer Breakaway Kit Battery Charger, part # 20011 can charge batteries of different sizes, even large batteries, it will just take a bit longer. He informed me that part # 20011 will trickle charge your regular 12 volt battery just fine. If you do have the vehicle battery connected directly to the battery on trailer it will keep sending power to the battery even after the battery is charged, which could be bad for...
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  • How To Wire a 12 Volt Battery To Two 6 Volt Batteries Wired in Series
  • If you will be adding a 12 volt battery to a bank of two 6 volt batteries wired in series you would simply attach the 12 volt battery in parallel to the two 6 volt batteries wired in series. Therefore, the positive wire lead on the 6 volt series battery bank will go to the positive terminal on the 12 volt battery and the negative wire lead on the 6 volt series battery bank will go to the negative terminal on the 12 volt battery. In order to charge these batteries you would need a special...
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  • Using an Auxiliary Vehicle Battery to Run 12 Volt Power on a Trailer
  • The issue is that if you have batteries mounted under the hood of the truck and you are trying to use the electrical system of the batteries to charge a trailer battery you will not be able to achieve sufficient current to charge up the battery, only maintain the charge that is already in it. Using the 12 volt power circuit on a 12 way will accomplish this task. You would route a wire from the 12 volt pin from the back of the trailer side connector to the positive terminal of the battery...
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  • How To Wire Two 6 Volt Batteries and a 12 Volt Battery Together
  • The correct configuration of attaching three batteries would vary based on the desired output. If you wish to retain 12 volts which is the most common setup then you will need to attach the two 6 volts batteries in series and then the 12 volt battery in parallel to the series 6 volt batteries. In summary, the two 6 volt batteries will be attached to one another (+ to -) and the 12 volt battery will be attached to the two six volt batteries (+ to + and - to -). The battery output would...
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  • Can I Connect Negative Battery Terminals On 2 Batteries Operating Independently on Switch
  • No. The best way to isolate things electrically would be to keep the batteries completely separate; you'll want to use independent grounds for each battery in your system. You can still charge the batteries independently with a battery charger like the NOCO Genius Smart Battery Charger - AC to DC - 6V/12V - 5 Amp # 329-GENIUS5.
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  • Diagram to Use for Wiring Trailer Batteries in Parallel
  • I attached a picture that details how to wire up two batteries in parallel. The new battery will connect to the old battery as well as to either the ground of the trailer or the main feed wire for the trailer's power. You'll need heavier gauge wire ran between the batteries. Typically 4 or 6 AWG is used for this.
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  • Can OptiMate Smart Battery Charger Be Used as Battery Tender
  • The OptiMate Smart Battery Charger # MA99JR is designed to draw power from an existing 12V battery to charge/maintain another 12V battery. I suppose if you want to keep swapping out 12V batteries to keep one charged you could use it as a battery tender, but that seems to defeat the purpose. Instead, I recommend using the OptiMate 2 Smart Battery Charger # MA22WR. This is AC to DC so it will maintain your battery using a standard wall outlet instead of another battery. This works with...
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  • How to Wire Two 6 Volt Batteries to a 12 Volt Battery
  • I attached a picture that shows how to run batteries in both series and parallel. You will need to wire up the two 6 volt batteries like the picture on the left so that they would be in series and at 12 volts. To connect a 12 volt battery to that circuit you would need to run the positive post of the 12 volt battery to the positive side of the battery run on the in series batteries. Not the one that is connecting the two batteries, the one that would be the output of the two in-series...
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  • Will Charger For Bright Way Break Away Battery BW94FR Overcharge Battery On Long Trips?
  • No, the battery charger included with the Bright Way Breakaway Battery # BW94FR will not overcharge the battery no matter how far you drive. It is designed to allow the battery to fully charge, and then keep it there without damaging the battery.
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  • Does The Manager30 Battery Management System Charge Vehicle Battery
  • The Manager30 Battery Management System # RED88FR will not charge your vehicle's battery from any source, though it will not drain the vehicle battery. The Manager30 will always charge the house battery first from solar, then to the AC Mains, and then the DC vehicle battery; you will never have an issue with your vehicle battery running out of power using this system. I have added a link to a video review for you to take a look at as well.
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  • How Does The Battery Secure In The TorkLift PowerArmor Locking Battery Box?
  • The TorkLift PowerArmor Solar Single Locking Battery Box # TLA7720RS has pre-cut holes at the bottom of the battery box, which you can use the included battery straps to loop through and around your battery, securing your battery.
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  • Will the Hopkins Trailer Breakaway Battery Charger Work for an Auxiliary Battery on a Trailer
  • Yes, you can use the Hopkins Trailer Breakaway Kit Battery Charger, # 20011, with the motorcycle battery on your motorcycle trailer. Like you said, you would simply tie-off the blue wire since it will not be used. This charger will maintain the charge on your battery and even provide a small charge when you are connected to the tow vehicle. The benefit of adding this charger to your battery is that the charger will stop sending power to the battery once the battery is fully charged. Overcharging...
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  • How Do I Connect A1000w Inverter To My Two 6V Batteries Connected In Series
  • When batteries are connected in parallel the negative terminals are connected together and the positive terminals are connected together. The negative current that comes into your battery bank flows into the negative terminals and the positive current flows from the positive terminals of your battery bank. If you want to connect your new batteries in series, you will be connecting one of your battery's positive terminal to the second battery's negative terminal. The current into the battery...
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  • How to Wire the Trailer Breakaway Kit Battery Charger Part # 20011
  • To answer your question yes, the Trailer Breakaway Kit Battery Charger part # 20011 can be used to charge your breakaway battery while drawing power from the 12 volt auxiliary battery on your trailer. However, most local and state regulations require that the breakaway battery receive a charge from a battery not mounted on the trailer therefore, I recommend using the Trailer Breakaway Kit Battery Charger part # 20011 to pull power from the vehicle's battery via the 12 volt pin on the 7-way...
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  • Is the Tilt Battery the Same as the Onboard Trailer Battery
  • Yes, the tilt battery you are referring to would be the battery in your trailer, the onboard trailer battery. For a diode to prevent backfeeding from your trailer battery I recommend using the Roadmaster Single Park Light Diode # RM-690. You will want to install this between the breakaway battery and your trailer battery.
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  • Can Battery Warming Wrap Be Powered by Battery Being Warmed?
  • The Kat's Heaters Thermal Battery Wrap # KH22200 utilizes 125V for the heater to function. The wrap surrounds the battery to keep it warm, but the 12 or 24 V batteries will not put out the power needed to supply the 80 watts of power on this battery wrap, so you cannot use the battery being heated to supply the power for the heater on the battery.
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  • Wiring a Trailer Mounted Winch to a Trailer Battery and Vehicle Battery
  • I have just what you will need. I have linked an FAQ article that explains the various ways to wire a winch. You will need the second half of the page titled Option 2: Wiring the Winch to a Separate, Trailer-Mounted Battery. I have also included a picture that shows how it would all go together. You will need a battery isolator, # PK5231201, some wire like # 10-1-1 or # 12-1-1 sold in 1 foot increments, and a 40 amp circuit breaker # PK54540. You will wire it all up like in the picture. Please...
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  • Wiring Secondary Battery in TorkLift HiddenPower Under-Vehicle Mount w/ Battery Box # TLA7740
  • In order to prevent draining your main battery when using an inverter at night, I recommend using the Deka Battery Isolator, # DW08771, with the TorkLift HiddenPower Under-Vehicle Battery Mount with Battery Box, # TLA7740, (battery not included). The battery isolator will allow both two batteries in your 2014 Dodge Ram Pickup to charge at the same time and will protect the starting battery from being drained by the accessory battery. I have attached a drawing that shows how the isolator...
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  • Can You Wire Different Voltage Batteries Together In Parallel or Series?
  • I'll start by saying that you can't wire batteries of different voltages together in parallel. Wiring the 6v and 12v batteries in parallel will cause a loss of voltage to the larger batteries and overloading on the lesser battery. The could end up damaging the battery and potentially causing a dangerous situation for the user. Your best bet is probably just to wire all 3 of the batteries in series for a 30v output, depending on the voltage output you're trying to achieve. If you're trying...
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  • Wiring a 12V Auxiliary Battery in Enclosed Trailer to 7-way Connector and Breakaway Battery
  • You will want to run the 12V wire from the 7-way trailer connector to the positive terminal on the larger battery. Then you will want to connect the larger battery to the breakaway battery from positive terminal to positive terminal, using 10 gauge wiring, like # 10-1-1. The negative terminal from the breakaway batter will connect to the negative terminal of the larger battery. The larger battery will ground from the negative terminal to the trailer frame. I have attached a diagram of...
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