Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Jul 09, 2010, 10:07 PM
slashPRE-RUNNA is offline
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How do i charge my lipo?????


i have a pro peak sigma 2 lipo charger that i got at hobbypeople in lakewood california. i also have a hobby people 7.4volt 5000mah lipo battery. the guy at hobbypeople said,"this fucker here should last about 40 minutes." it only lasted about 10. and i think its because i dont know how to use my charger. right now i have a traxxas slash with a castle creations sidewinder 4600(motor and esc).

BTW: i lost my manual!
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Old Jul 09, 2010, 10:40 PM
Cleared2Engage is offline
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Two things could be wrong. You might have inpropper gearing which would cause it to heat up and shut down or the battery isn't properly charged. Done properly that battery should last you at least 30 minutes.
You should be able to find the PDF manual online.
Old Jul 09, 2010, 10:58 PM
rangamatchstic is offline
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ahh, exspensive lipos, but what charger are you using, if the battery is brand new, you need to charge it at half its amperage, so it will take 2 hours, so for a 5000mah u charge at 2500mah or 2.5a, also you need to make sure that on your charger it says 2s lipo, if it says 3s 1s ect, you will be damaging the battery, also is you balancing plug in its socket? if not u could damage the battery when you drive it, the balancing plug is the white plug that for a 2s lipo has 3 wires going into it, but to help, please tell us what charger you have and possibly a pick =)
Old Jul 10, 2010, 08:38 AM
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Your charger looks exactly like the AC6 and similar chargers so what you are going to want to do is select LIPO charge by pressing the BATT type button. Then press enter and push the INC button to change the charging type to BALANCE then when you press enter select 2S and then increase the MAH to 5000mah and then hold enter to start the charge, if your pack is drained it will take 1 hour or so to charge.
Old Jul 10, 2010, 04:17 PM
Duster_360 is offline
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Quote:
Originally Posted by slashPRE-RUNNA View Post
..... right now i have a traxxas slash with a castle creations sidewinder 4600(motor and esc).

BTW: i lost my manual!

You can find the manual here - this is the 2wd version - all the other manuals are located here. Find your RC, then go to exploded view and that manual is there -

http://www.traxxas.com/PDF-Library/5805_manual.pdf
Old Jul 10, 2010, 04:30 PM
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Since hes asking about HOW TO CHARGE I think it safe to assume he lost the CHARGER manual and not the trucks manual.
Old Jul 11, 2010, 04:28 PM
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That charger manual is not online, others have looked. One said he contacted RpiMax and they sent him a copy -


http://www.ripmax.com/rm_contact.asp


This manual would prob do in a pinch, these appear to be the same charger -last line center panel -


http://www.hota-exp.com/product_info...2d5m20c0cbnah7
Old Dec 11, 2011, 05:45 PM
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after the first run of the charge, can u set the charge current to 5.0a?

also, im assuming 3s = 3 cells??

also, also, how do u know when its done?

thanks!
Old Dec 11, 2011, 08:32 PM
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It will stop automatically when it's done charging. If it's a 2s pack, it will be at 8.4v, if it's a 3s it will be at 12.6v. If you're pulling it off the charger before it finishes, that definitely explains why you aren't getting much run time.
Old Dec 17, 2011, 06:20 PM
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Yes 3s is USUALLY 3 cells. A single cell is 4.2 volts when charged. Storage voltage is 3.85v per cell. After you get done running the voltage will likley be around 3.5 volts per cell.

Try to always use the balance charge if it has it.


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