dean plugs 50A?

[ncalenda]

I have my MGM 16018 in for repair, they recommended that I use different battery plugs, that the deans are only rates for 50A.

This is the first I have heard of this, is this true?

They recommended the following:
MP JET 3.5 (http://mgm-compro.com/index.php?tid=...ors-mp-jet-35b ) or MP JET 5.5mm connectors (attached).

I'm wondering if others use deans or if anyone uses the 3.5/5.5 for battery plugs.


I do run with 5s.

[MetalMan]

I've done some of my own informal testing using Deans plugs and continuous high currents. They were pushed up to about 110amps and 20v before I stopped the test, when the wattmeter was getting hot enough to smoke a little bit. The Deans weren't really any hotter than the wires attached to them.

[ncalenda]

so it sounds like it may not make a difference. But, my ESC is rates for 160A

[MetalMan]

IDK. I guess it depends on your motor and batts.

[ncalenda]

I have the neumotor 1515 2.5, with 5s PolyQuest in an xray xt8.

What do others use for battery connectors with this type of setup? I guess using the 5.5 connectors will help with resistance.

[Patrick]

I use have the 1515 2.5D in my truggy and usually use it on 5s, but have also used it a bit on 6s and geared it for low to mid 50's (haven't actually tested top speed though), in summer and I haven't noticed any problems with deans.

[jhautz]

I have never used anything except deans and have never had a problem. I personally think that most setups would benfit more from shortening the wires to the minumim length that is required rather than replacing the deans with bullet connectors.

[wallot]

deans are rated for 50A continuous so you should be ok but 5.5mm bullets are better resistance and current wise

I use 45A powerpoles as they are "safe" for batteries and 5.5mm bullets for motor connections (except my 1/18 trucks where I use 3.5mm bullets)

[ncalenda]

this helps, I think I will stay with deans for the batteries and my 5.5mm bullets for the motor connections.

[t-maxxracer32]

i used the 5.5 bullets for a little (came with the crt that i bought) but i didnt really like them. they would spark pretty good whenever i put them together and one of them got really loose and so i had to electrical tape it together.
i may have been able to fix that but imo deans are fine.

when i melt a set of deans ill let you know

have never had an issue with deans in any setup.

[BrianG]

Also consider that hardly ANY car/truck setup will pull 50A continuously (boats, planes, helis are different). The average seems to be around 10-20A, depending on setup. Of course, there can be bursts well over 100A, but they are pretty short in duration.

To figure out your average amp draw, just multiply your battery capacity by 60, then divide by your runtime in minutes. Your burst current is right around 6 to 8 times your average current. So, let's say you are using 4,000mAh batteries and get 20 minutes of runtime, the average current draw is 12A. The burst current is then likely somewhere between 72A and 96A.

If you are pulling more than 50A on average, then you should probably be looking at upgrading the wire size as well (assuming 12G wires).

[BL_RV0]

i only run deans. i squeezed a extra .8 mph out of my stock xl5 rustler (when it was stock!) with deans vs. tamiya plugs.

[BrianG]

That's the voltage drop at higher currents of the Tamiyas doing that...

[neweuser]

I have always used deans and recommend them a lot. I personally think 5mm would be over kill i guess but would work if needs be.