Options for Charging Trailer Battery and Winch Setup

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Question:

Good afternoon, I am inquiring about wiring a tow vehicle to an enclosed trailer with a battery and winch on board. Have read over your notes but would like a little more detail. do not see the second page for option 2

asked by: Randy P

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Expert Reply:

It sounds like you're looking for the "Option 2" method for wiring your winch and battery on a trailer in the attached helpful article.

Basically if you're looking to have it setup as a standalone system then you'll wire the winch to your battery and then use a separate charger like the CTEK US 0.8 Charger # CTEK56865 to charge the battery when you have the trailer parked next to AC power.

The alternative is to charge the trailer battery from the battery/alternator on your tow vehicle. This requires something a little different like the Redarc In-Vehicle BCDC Battery Charger # RED96FR, but it will be able to completely charge up your trailer battery any time you're connected to your tow vehicle, and if you install the BCDC on your trailer you can add a solar panel like part # RED96VR to trickle charge the battery. The beauty of this is you can charge the trailer battery with the tow vehicle using the Redarc and then when your trailer is parked in storage you could have the CTEK hooked up to it to keep it maintained if you'd rather not use the solar panel.

expert reply by: Jon G

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Answer 1

The problem to watch out for, is not the voltage, it's the current (cfm). If your battery recommends 30a max charge current and both of your chargers are rated at 15a, you're good to use them both at the same time. If your chargers are both…

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Answer 2

Using the breakaway battery charger to charge another battery on the trailer is not recommended. The larger battery you are using to operate the trailer winch would take an extremely long time to charge with a breakaway charger and would likely never…

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Answer 3

I recommend installing the OptiMate Solar Duo Roof Mount Solar Charging System with Controller #MA49JR which is rated for 10 Watts and 12V batteries from 2 to 240 amp-hours. This provides a trickle charge and comes with a controller so you can be…

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Answer 4

Yes, there is! You can use the 2.5-Watt Solar Battery Charger #PTW2997 you were looking at. However, this has alligator clamps so it will be a bit more difficult. A better option would be to install the Bright Way Solar Battery Charger item #BRW54FR…

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Answer 5

I attached a wiring diagram for the Solera Power Awning Switch Kit #LC285500 for you to check out.

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Answer 6

You need a breakaway battery charger if you want to maintain the battery charge on your breakaway kit using your tow vehicle's 7-way trailer connector. The 12 volt battery on breakaway kits, like all batteries, will self-discharge over time.…

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Answer 7

I spoke with my contact at Camco and she said you will want Camco Vertical 2-Stage Propane Regulator #CAM59313. This propane regulator maintains a constant 11" w.c. gas pressure for your camper. The 2 Stages ensure a smooth, consistent flow. The…

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Answer 8

Camco part #CAM59333 will work as a replacement for your Marshall 260 Horizontal LP regulator. It includes a P.O.L. connector. If you do not need the P.O.L. connector then you can use the Camco Horizontal 2-Stage Propane Regulator #CAM59323. Your…

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Answer 9

You'd need to put a battery in your trailer so that you can power the trailer lights when you aren't connected to your tow vehicle. It would be a matter of just running a power wire from the battery to the lights. You'd need to charge the…

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