What Type of Battery Works Best for Powering Trailer Interior Lights  

The best way to power the interior lights in your trailer is with its own independent battery. You will not want to use the breakaway battery. The breakaway battery is only designed to operate the breakaway and will drain extremely quickly,…

The interior lights of your enclosed trailer are likely connected to the 12V (Auxiliary) power pin on the 7-Way of your trailer. You can verify this by applying 12V power from a separate battery to this pin and seeing if that supplies power to your…

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you, but…

The best way to get interior lights in your trailer is to have a dedicated 12 volt battery, and battery box like #329-HM318BKS mounted to the trailer. This gives you the power needed while you're not hooked to your truck. For lights I recommend…

To wire in the Trailer Breakaway Kit Battery Charger #20011 you'd run the black wire to the 12 volt accessory circuit of the trailer wiring, the red wire to the battery in the breakaway switch and the blue wire breakaway switch. The 12 volt…

There is not a breakaway kit battery charger, including the Hopkins #20011 that will eliminate vampire draw completely. I do strongly recommend taking a look at the help article I added on trailer breakaway kit installation. Going by this should help…

If all you want is to prevent the 12 volt power supply of your trailer battery wiring from backfeeding onto your vehicle wiring or vice versa what you need is a one-way diode like part #RM-690. This only allows current to flow in one direction so…

To charge a battery for use in your trailer you will need to either use the CTEK MULTI US 7002 12-Volt Universal Battery Charger w/ Pulse Maintenance #CTEK56353 when you have your trailer parked, or use the Dual Battery Charger #331-BCDC1240D. The…

You are correct in your description of how to wire in a new auxiliary battery in your enclosed trailer. You will take the 7-Way's 12V power feed and route this to the positive terminal on the auxiliary battery, and you will ground the second…

If you have 12 volt lights in your trailer that you are wanting to power with your trailer's battery all you need to do is run the power and ground to the battery. When your tow vehicle is connected they will either be powered by the 12 volt…

I recommend a 12 volt car battery rather than a breakaway battery because you may end up needing the larger battery down the road. What you will do is attach a battery box (see link for options) to the trailer frame. From the trailer side 7-Way…

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…