Foxy
Posts: 17173
Score: 2012
Joined: 3/23/2005
Last Login: 5/21/2013
From: Kingston UK, but living in Athens, GREECE
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The 5SC flux uses the same battery holders as the Savage Flux, which means they are pretty big. The ESC is limited to 6S (6 cell lipo) power, so you are looking at buying 3S (or 2S if you want to run 4S total) batteries in pairs. The length of the battery bays in these cars is extreme, you can easily fit a 180mm length pack in with cables and balance plug, longer if you are creative in how you manage the cables and maybe do a little light dremelling. The problem with these battery bays was always the width and depth. The widest you can go is 51mm (that would be height in situ in the vehicle) the depth is the real killer though, 28mm thickness is about your limit.
I use these in my Savage Flux (same battery bays) and they are a squeeze, though there is more room for length, they are totally squeezed in for width and depth, the trays close, just, but I wouldn't run without two velcro straps around the bays also to make sure they stay shut.
https://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=16788
So in simple terms, your battery limits are 180x51x28. for specifications of batteries, you need to make sure your batteries can handle AT LEAST 200A. You can tell how many amps a battery can handle, by multiplying the duration by the C rating. For example, the battery I linked above, is 5000mAh (5Ah) and the battery rating is 40C, so 40*5=200A. This must be the NOMINAL C rating, not the 'burst' C rating, which is usually double the nominal C rating.
Due to the fact that you will be using batteries in pairs, I strongly recommend getting a charger that can charge 2 batteries at once. Don't go cheap on the charger, it will be responsible for the health of your expensive lipo batteries and will be a piece of equipment that you only buy once every ten years. Buy well, don't cheap out. You ideally want a charger that can dole out at least 100W at 10A (per baterry if its a dual).
Regarding lipo care in general, the most important thing is not to overdischarge them. Lipo cells die if they reach less than 2.7v, if you continue to use them past this limit, they will visibly swell, may catch fire, but will definitely never take a full charge again. Most people set the LVC ('Low Voltage Cutoff' - lipo cut off function of the speed control), to 3v per cell or more (the default setting of the Flux 5SC Mamba Monster/Blur ESC is 3v per cell usually, so this will only need changing if you want to INCREASE this limit, as many people do, for extra safety and increased battery longevity. Personally, I feel 3v is fine, more is overkill, and just wasting runtime, I've never had a problem. Never leave lipos unattended while charging, there is always the fire risk.
As for burning your electrics in the car, as long as you don't try to use crazy gearing or increase the timing of the motor, this is extremely unlikely, however, as you can imagine, with 200A and more flowing through the vehicle, anything is possible.
If you need any further info, lemme know. 
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need help - 
