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-   -   Going back to Flux. Fill me in on Lipo & chargers (https://www.rc-monster.com/forum/showthread.php?t=27631)

Freezebyte 07.29.2010 12:23 PM

Yeah, I think im gonna go and snag up two of those. I also can't find out what the maximum battery mah size this charger can handle, anyone know?

suicideneil 07.29.2010 05:37 PM

I dont think there is such as thing as a maximum capacity it can handle, its more a case of charge rate; it will take twice as long to charge a 10,000mah pack vs a 5,000mah pack, given the maximum charge rate of 5amps. Seeing as these chargers are limited to 50watts, a 2s 5000mah pack will charge in 1 hour @ 1C charge rate, a 3s 5000mah pack will take 1 1/4 hours, since the charge rate will drop below 1C in order to not excede the charger's power rating ( 63watts required for 1C charge ).

Freezebyte 07.29.2010 06:46 PM

Ok, I just remember seeing some chargers with like a 9000mAh battery limit or something like that. I do realize that beyond 5000mAh it will take a bit extra time to charge but I could still charge two Lipos at once if I got two of them vs single 8amp passport ultra. I think I still come out charge time ahead if my math is correct

For a theoretical example:

Four 2s 7000mAh Lipos w/single Passport Ultra @ 7amps = 1 per Lipo = over 4 hours to charge

Four 2s 7000mAh Lipos w/ two AC6 @ 5amps = approx 1.5 per set = approx 3 hours to charge


If I factor in doing a 3S 5000mAh Lipo or above i'm looking at at least 1.5 hours per Lipo on each AC6 due to wattage limit.

Hmmmmm......

Freezebyte 07.29.2010 08:27 PM

So wait, how does the charger known when to stop charging a Lipo after a certain capacity point if it doesn't allow you enter the batteries max mAh capacity? I had to do that with my Triton 2 EQ but I don't see where you enter that on this charger.

fastbaja5b 07.29.2010 09:29 PM

Mental telepathy!

scarletboa 07.29.2010 09:37 PM

Quote:

Originally Posted by Freezebyte (Post 375018)
So wait, how does the charger known when to stop charging a Lipo after a certain capacity point if it doesn't allow you enter the batteries max mAh capacity? I had to do that with my Triton 2 EQ but I don't see where you enter that on this charger.


it goes by voltage. the charger stops when the cells are at 4.2v each. :yes:

_paralyzed_ 07.29.2010 10:40 PM

one hyperion charging at 2c (14amps) will charge all 4 2s 7000mah batteries in 2 hours:intello:

could even charge two at a time, but you would be limited to 10 amps at 4s (2 2s in series)

mothman 09.10.2010 07:59 PM

Quote:

Originally Posted by JThiessen (Post 374637)
The only things that have broken on me have been from aftermarket items that I have added (the LST shocks, the FLM bulks).

JThiessen, can you describe what kind of damage on the FLM bulks? Never heard of anyone managed to break the bulks though.


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