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Old 05-17-2013 | 09:46 AM
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Default Lipo charger help?

Hey guys I have a Venom pro plus charger and a friend of mind set it up for me to charge my losi 2000mah lipos. I converted my losi 3.0 to electric and I'm a noob on all this. I just got a GENS ACE 5000mah 4S1P 14.8V 40C hard case Lipo battery Racing Approved Batteries ROAR approval and would like to know if the Vernom charger reads the lipo when I plug it and set it up to the setting I suppose to charge it? I don't want to over charge it or mess it up. If anyone knows the settings please let me know. Thanks

Also is there such thing of a charger reading any lipo and setting it up for you that I just press to charge?
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Old 05-17-2013 | 09:50 AM
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Originally Posted by guss2009
Hey guys I have a Venom pro plus charger and a friend of mind set it up for me to charge my losi 2000mah lipos. I converted my losi 3.0 to electric and I'm a noob on all this. I just got a GENS ACE 5000mah 4S1P 14.8V 40C hard case Lipo battery Racing Approved Batteries ROAR approval and would like to know if the Vernom charger reads the lipo when I plug it and set it up to the setting I suppose to charge it? I don't want to over charge it or mess it up. If anyone knows the settings please let me know. Thanks

Also is there such thing of a charger reading any lipo and setting it up for you that I just press to charge?
Typically chargers in balance mode will auto detect the number of cells. You just need to select the charge rate (amps). That battery should be good for 5c which is 25a. Anything under that and you should be fine. Just remember to set it back to 2 amps or however much you were charging that receiver battery at or bad stuff happens. Chargers can't detect exactly which battery you have connected, just the number of cells. So to some degree you have to select the right settings yourself when changing batteries.
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Old 05-17-2013 | 10:09 AM
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Originally Posted by neospud
Typically chargers in balance mode will auto detect the number of cells. You just need to select the charge rate (amps). That battery should be good for 5c which is 25a. Anything under that and you should be fine. Just remember to set it back to 2 amps or however much you were charging that receiver battery at or bad stuff happens. Chargers can't detect exactly which battery you have connected, just the number of cells. So to some degree you have to select the right settings yourself when changing batteries.
So what i need to do is look for the charge rate on the charger and set it to 25a? Click start and it should start charging with no damage to the lipo? Ill keep an eye on it while its charging.
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Old 05-17-2013 | 10:19 AM
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Likely, the most dangerous part of lipo charging is charging at too high of an amp rating for what the battery is rated at. The best thing would be to learn the basics of lipo, as there is no charger that will 'detect' the amp rates for batteries, that I know of anyway. Some chargers will detect the cells automatically, and some will just not charge at all unless you select the correct amount of cells plugged in (sort of a confirmation of cells detected and what you input).
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Old 05-17-2013 | 10:30 AM
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Originally Posted by guss2009
So what i need to do is look for the charge rate on the charger and set it to 25a? Click start and it should start charging with no damage to the lipo? Ill keep an eye on it while its charging.
Looks like the charger can do a max of 7 amps, which is still plenty. As stated earlier, the max for your gens ace SHOULD be 25 amps but you don't need to charge at max. Just make sure you set it back down to 2 amps for your other batteries. You're going to have to remember what the max charge amp rates are for each kind of battery you own so you don't exceed it. We're assuming the 2000mah losi packs are 1c charge packs, so that's where we get the 2 amp from.
Max charge amps = battery mah divided by 1000 X charge C rating (not to be confused with discharge C rating).

EDIT: another thing, there's nothing bad about charging at lower amps than what the battery is meant for, it'll just stretch out total charging times. Trying to charge that 5000mah pack at 2 amps for example will take around 2.5 hours.

Last edited by meno1103; 05-17-2013 at 10:47 AM.
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Old 05-17-2013 | 10:30 AM
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Originally Posted by meno1103
Likely, the most dangerous part of lipo charging is charging at too high of an amp rating for what the battery is rated at. The best thing would be to learn the basics of lipo, as there is no charger that will 'detect' the amp rates for batteries, that I know of anyway. Some chargers will detect the cells automatically, and some will just not charge at all unless you select the correct amount of cells plugged in (sort of a confirmation of cells detected and what you input).
You know where I can learn the basic of how to charge and use these lipos.
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Old 05-17-2013 | 11:08 AM
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Originally Posted by guss2009
You know where I can learn the basic of how to charge and use these lipos.
This is the website i used when i first got started: http://www.rchelicopterfun.com/rc-lipo-batteries.html

It's for heliopters but applies to all rc lipos.
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Old 05-17-2013 | 11:47 AM
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Originally Posted by neospud
This is the website i used when i first got started: http://www.rchelicopterfun.com/rc-lipo-batteries.html

It's for heliopters but applies to all rc lipos.
Kool thanks. Ill check that site out.
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Old 05-17-2013 | 02:37 PM
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Once you get a handle on lipo charging procedures, you might want to look into a more powerful system. Charging a 4s at 7A...you're gonna be waiting a while.
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Old 05-17-2013 | 07:11 PM
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Originally Posted by Johnnysplits
Once you get a handle on lipo charging procedures, you might want to look into a more powerful system. Charging a 4s at 7A...you're gonna be waiting a while.
So you saying there better lipo and charger that I can charge quicker? Which lipo and charger is that?
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Old 05-18-2013 | 06:30 AM
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You're battery is fine...but ultimately, you really would want to have a more powerful charger. One that can charge at 20A or more utilizing a separate power supply. I don't know how long you've been in the hobby or how long you plan to, but look to Cellpro, Thunder Power, iCharger, and Hyperion for great quality, accuracy, and safety.
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