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Old 01-18-2009, 05:15 PM   #1
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Default Please help nood with battery & charger choice to new Rustler

Hello folks,
This is my first post. I am a proud owner of a used Rustler VXL (like new). It has the Velineon ESC, but a Mamba 7700 motor.

This is my first time back to the RC world after a 15 year hiatus. I still have my old Tamiya Fox.

Anyway, I need advice on a good affordable battery charger, and battery for my Rustler.

I've been looking at the Onyx 230 as a charger for $80. I like that it comes with a AC power supply, so you don't need an external one.

I've also been looking at SPC batteries off advise from other forums, but I don't know how many cells, what mah rating, etc.?

Any advise or experience would be appreciated. Thanks!

Last edited by dienaught; 01-18-2009 at 05:33 PM.
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Old 01-18-2009, 06:39 PM   #2
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Well it depends on what kind of batteries you want to run. The onyx will charge both Ni-Mh and Li-Po so the choice is up to you. Li-po is a little more expensive but it offers more power and more run-time then comparable Ni-Mh battery packs. Here is a link to a great Li-Po battery that already has the traxxas connector installed:

http://www3.towerhobbies.com/cgi-bin...?&I=LXVCD7&P=7

Here is another Li-Po that comes with the Traxxas Connector as well:

http://www3.towerhobbies.com/cgi-bin...?&I=LXVSS3&P=7

The First Li-Po mentioned will give you more run-time then the second one but it also costs more. But the beauty of Li-Po is that you really only need one battery pack and they can re-charged countless times per day and last much longer then Ni-Mh. However here are some Ni-Mh batteries you might want to check out:

http://www3.towerhobbies.com/cgi-bin...?&I=LXVSS2&P=7

Here is another:

http://www3.towerhobbies.com/cgi-bin...?&I=LXVHT8&P=7

Both of these are 7 cell packs meaning that they have more voltage and run-time then the traditional 6 cell batteries. Again the mAh is basically the same so run-time between these packs will be basically identical. Note that the links provided above are just for reference, you could and probably will find better prices but they are just listed as a model to go by. I hope this info helps and I wish you luck with your new car (I have had many Traxxas Cars, they are very durable and fun to drive).
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Old 01-18-2009, 06:54 PM   #3
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With your Rustler already brushless, go with lipo. When I converted, for the same size batt capacity (mah), lipo gave me 20-25% more run time. Lipo holds voltage better than NiMH so will give you better performance for longer as well. The Onyx will charge lipo as well as NiMh, but you would eventually need a balancer to keep the lipo cells at the same voltage.

If you got with an Onyx make sure you order the connections you need when you order - they are sold separately, unlike some other chargers.

Welcome to the forums btw!
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Old 01-18-2009, 08:02 PM   #4
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Thanks for the replys. Sounds like Lipo is the way to go.

Any opinions on the Onyx 230? Are there better alternatives out there around the same price?
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Old 01-18-2009, 08:10 PM   #5
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[QUOTE=LIVipers;5309816]Here is a link to a great Li-Po battery that already has the traxxas connector installed:

http://www3.towerhobbies.com/cgi-bin...?&I=LXVCD7&P=7

QUOTE]

Anything greater than 2S Lipo will blow up my Mamba. The 7700's are limited to 2S.
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