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# 208401 10-Feb-2017 09:47
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Hi There!


I bought an RC Car with 2 x 2S Lipo Batteries, and an Imax B6 Charger which I was shown how to use to charge them, however, it's been a while and I can't quite recall what the settings should be to safely but quickly charge them.




Batteries are 






Factory Spec 7.4V 6500mAh 60C Traxxas










Anyone have one who can tell me ? 



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Ultimate Geek
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  # 1718116 10-Feb-2017 10:08
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Safe discharge on lipo 3.3v but recommended to cut off around 3.5-3.7 per cell


Max charge 4.2v per cell,




Older batteries were recommended to charge at 1c which would be 6.5amps 


And in your case to 8.4v


there is no risk from charging slower if you are limited by your power supply, it will just take more time.




Most chargers are limited by what you can supply them with, I.e you need a specialised power supply to get 20amps dc 


However car batteries are usually the easiest option. 




Most modern Lipo chargers you select the cell count and then max charge amps and away you go, 


If it has a jst plug for individual cell voltage plug that in also and it will make sure to charge and discharge evenly 


without over or under volting one of the cells. 




Edit SAFTEY NOTE, Please check your chargers settings match your battery chemistry i.e above settings are for Lipo , Lion and others have different safety thresholds.







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