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newbie needs help - 11/29/2012 9:17 PM   
JCruckus


 

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Hey whats up guys?! 

I'm totally new and have been researching but hope someone can help me out.

I just bought my son the ECX Ruckus and want get him a couple more batteries for it. It comes wiith the 1800 speed packs but was hoping to find something that will last longer?

Thanks for the help! 



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RE: newbie needs help - 11/29/2012 10:14 PM   
AMA 74894



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From: Spicer, MN, USA
Status: offline 		that's an 1800 mAh NiMh pack? (NOT a lipo) ...
I've read a couple of threads RE that particular truck, from what I've read there are folks using lipo batteries in them..
I'm NOT sure if they are swapping out the ESC on them... (a 2 cell Lipo is essentially dead at 7.4 volts, a six cell NiMh is fully charged at 7.2)
assuming you want to stick completely with NiMh and not Lipo's, get the biggest battery that'll fit (more mAh's).
personally, I left NiMh and Nicads behind the first time I used Lipos... (I'm an airplane guy, however )
Lipo's are a completely different animal and are cared for and fed completely differently from NiMh/Nicads but in my opinion they're SO much better.
much lighter, much more usable power.

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RE: newbie needs help - 11/30/2012 12:40 AM   
trax de max


 

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Status: offline 		a 6cell nimh and 2s lipo are roughly the same voltage fully charged.
under 3V per cell and you have started to go into over discharging a lipo.
If you use a 2s lipo with your esc you'll need some sort of low voltage cut off or low voltage alarm.
But lipo's do need to be treated correctly. lipo chargers now are more smarter than the old ones. I think they all have integrated balance ports now too.

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Sorry officer i thought the speed limit only applied to people with driving licenses.

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RE: newbie needs help - 11/30/2012 3:24 PM   
JCruckus


 

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Status: offline 		Thanks for the help guys! Since I'm so new to this I think I'll stick with the NiMH's and just find the largest mah one I can for now. I'll start researching lipo's and go that route when I feel more comfortable about them. 

Any more info would be greatly appreciated!!  

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RE: newbie needs help - 11/30/2012 5:25 PM   
JCruckus


 

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Status: offline 		say i wanted to run this battery:
Duratrax Onyx NiMH 7-Cell 8.4V 5000mAh Hump Traxxas
What else would I need - connectors? Where can I find them?

What about a charger? Can I change the plugs on the wall charger that comes with the Ruckus and it work as well?

Thanks!


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RE: newbie needs help - 11/30/2012 9:48 PM   
Tobtech


 

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Status: offline 		For some reason I cannot see the link to the battery you are referring to but from the description it looks like a good battery. It says Traxxas in the description so I am assuming that refers to that unit coming with a Traxxas plug. You are better off buying a battery with a Dean's connector and changing the plug on your ESC (if it does not already have one). There are many connectors, Tamiya, Deans, Traxxas, Losi EC3 (I think that's what it's called). I have used lot's of Traxxas and Dean's connectors and after making hundreds of solder joints I prefer the Deans. Just ask my kids after a have come in from the garage screaming how much I hate soldering Traxxas connectors.

You can change the plug on the wall charger but I garantee it won't be long before you are tired of waiting for that wall charger to charge your batteries, especially if you have multiple batteries. You would be batter off getting a good charger. Get one that charges lipos too so that you don't have to buy again later. They have come down in price so much that it makes sense to get one. I have had Hitec, Electrifly, Thunder Power, and Venom. I think I am most impressed by the Venom charger since it was the first charger we got many years ago (at least 5 years) and it is still going strong. I killed a Electrifly Titon in less time. I just got the Hitec that charges 4 batteries at the same time and it is now my favorite.

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RE: newbie needs help - 11/30/2012 11:12 PM   
trax de max


 

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Status: offline 		I don't think it can handle a 7 Ni** cell battery.

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Sorry officer i thought the speed limit only applied to people with driving licenses.

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RE: newbie needs help - 12/3/2012 8:08 PM   
JCruckus


 

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quote:

ORIGINAL: trax de max

I don't think it can handle a 7 Ni** cell battery.


When you say can't handle it - what do you mean?

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RE: newbie needs help - 12/3/2012 9:10 PM   
trax de max


 

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Status: offline 		is the esc not only for 6 cell

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RE: newbie needs help - 12/3/2012 9:33 PM   
JCruckus


 

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I dont know... Its a DYN 12t esc

I was looking on another site and read that I can run a lipo with an added low voltage alarm on an ecx out of the box.

Can anyone confirm?

I've got a Dynamite 20t with the above mentioned esc



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RE: newbie needs help - 12/3/2012 9:47 PM   
trax de max


 

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Status: offline 		6cell nimh and 2s lipo are roughly the same voltage. If it uses 6cell it'll work with a 2s. but yeah you'll need an alarm
If it is only a 6cell and you use the 7cell it may give off some of the magic smoke.

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Sorry officer i thought the speed limit only applied to people with driving licenses.

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RE: newbie needs help - 12/3/2012 9:59 PM   
JCruckus


 

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Status: offline 		haha!! don't need any of that!!!

Thanks trax!

I think I'll go with a 2s lipo

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RE: newbie needs help - 12/3/2012 10:43 PM   
trax de max


 

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Status: offline 		yep it's 4-6cell.
remember with lipo you'll need a lipo charger, a lipo sack, and to be handled carefully and an understanding how to set the charger up to charge the lipo's. But if your new then you won't of picked up any bad habits from using nimhs. and if you get stuck either google or just ask here.

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Sorry officer i thought the speed limit only applied to people with driving licenses.

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