Good Sam Club Open Roads Forum: Quick Connect for Extra Batteries in truck bed?
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 > Quick Connect for Extra Batteries in truck bed?

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TCBob

Junction City, OR

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Posted: 08/11/19 11:34pm Link  |  Quote  |  Print  |  Notify Moderator

Looking for recommendations for power connections for extra batteries in my truck bed?

I have carried 2 extra batteries in bed of truck for years now to power my inverter for 110 AC power for my CPAP. Have just run cables out thru one of the "basement" side hatches to connect. While this works, it is way past time to replace this "make shift" solution. I really like the absolute separation from the "house" system batteries, so neither system can drain the other by mistake.

I am thinking of something like the twist locks often used on marine shore power systems, but think there must be something made for 12 volt systems other than the classic cigarette lighter style plug/socket set. The ones I have seen so far just don't seem like they would take the load.

Also know i have seen threads about adding extra batteries in truck bed, but I am not coming up with the right search terms to find them. Suggestions both for plug in connections and search terms for thread or links?

Thanks.


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fpoole

PNW and Beyond

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Posted: 08/11/19 11:50pm Link  |  Quote  |  Print  |  Notify Moderator

Yah, the plugs that I use, are quick connects..

Takes a little bit of Crimping to put the wires in depending upon gauge etc.. but they're kinda kewl as I use them for the additional 8 6vt in the white boxes... and when off loading just disconnect them...
I also have a 10' extension so I can keep camper off loaded and truck by it's side and reconnect them....

Here's a link for the pics, you'll kinda have to browse thru them, but I had 2 batts each in the black boxes and swapped them out for 4 batts in the white boxes... Watch the gauge of wiring... I went from 2 gauge to 4/0000... It makes a big difference..

Hope that helps...


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frank

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Posted: 08/12/19 03:18am Link  |  Quote  |  Print  |  Notify Moderator

I use quick connects used for attaching a winch to a vehicle, where the winch is removable. Amazon here;

https://www.amazon.com/gp/product/B01KHQ........_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Impossible to reverse voltage due to design.

[image]

jplante4

Cape Cod

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Posted: 08/12/19 06:59am Link  |  Quote  |  Print  |  Notify Moderator

From aviation - aircraft external power connectors - 12 and 24 VDC

[image]

[image]

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K Charles

Connecticut

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Posted: 08/12/19 07:24am Link  |  Quote  |  Print  |  Notify Moderator

We use a bunker industry one on the wrecked that is 175A for 1/0AWG gauge wire.





KMLsquared

Cotati CA

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Posted: 08/12/19 07:37am Link  |  Quote  |  Print  |  Notify Moderator

There is also high current plugs used on semi trailers for charging the lift gate batteries.

Liftgate charge plug


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noteven

Alberta

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Posted: 08/12/19 08:48am Link  |  Quote  |  Print  |  Notify Moderator

I used connections like Ski Pro ^. I installed a diode isolator under the hood, and ran battery cable gauge wires to through bulkhead posts high in the front of the box. I made shortie cables with the connector from the bulkhead fittings to the batteries in the camper. I can quick disconnect without tools when unloading the camper. I can remove the truck half of the cables from the box lugs to store it out of the way when hauling stuff with the truck.

14.6v measured at the batteries with the engine running.

I disconnect the little blue charging wire in the camper cord end to the truck, but leave it alone on the truck end so it works for my other trailers that have emergency brake batteries.

Any connector mentioned above that is rated for the alternator amperage will work.

My new campers batteries are at the total opposite end of the camper

theoldwizard1

SE MI

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Posted: 08/12/19 04:13pm Link  |  Quote  |  Print  |  Notify Moderator

The industry "standard" for things like electric pallet jacks, fork lifts and commonly used on tow truck jumper leads are Anderson SB Conectors. These are available in 50A to 350A ratings.

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Traver8

West TX

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Posted: 08/12/19 04:58pm Link  |  Quote  |  Print  |  Notify Moderator

TCBob, if all you are trying to provide power to is your CPAP - have you looked into 12vdc power options for it? Might be simpler and easier, maybe cheaper.

ajriding

st clair

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Posted: 08/12/19 07:31pm Link  |  Quote  |  Print  |  Notify Moderator

+1 for the Anderson.
I have two batteries in the truck bed and connect them with Anderson. I have big ones.
I ran through the wall with bolts that carry the current instead of fishing in wire…

Keep in mind these shown above require to be soldered in, but are very good DC plugs.

I have heavy cables and just set up camper so cables are a sideways U shape and same on battery side, so when loading/unloading I can move truck a few feet and not harm the cables or pull them.

I get TC about 2 feet from cab, then plug/unplug them and all is good. The rest of the magic happens inside.

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