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-   -   Charging multiple batteries??? (https://www.rctech.net/forum/radio-electronics/392807-charging-multiple-batteries.html)

HaraR40 04-26-2010 07:40 AM

Charging multiple batteries???
 
Hey guys,

I have a SJ supernova competition charger
This one - http://www.rchobbies.com.au/store/pr...oducts_id=7219

and a seperate little balancer (dont know the brand).

Is there some way i can balance charge multiple batteries at once. My crawler batteries are only 1100mAh so will only need a total of about 4.4amps but how do i set it up to charge? Is there a balancer i can get that has multiple 2S or 3S connections?

thanks
Alex

Duster_360 04-26-2010 08:43 AM

Balancing while charging multiple batts is the problem. Its possible to have a short through a balance connector rigged for multiple batteries. I don't know of any balancer that comes setup to do multiple batts - chargers - yes, but not a separate standalone balancer.

Series charging of multiple batts is also an option and it requires a serial type balance connector.This is a good reference on charging in parallel and has a pretty clear breadboard type multiple balance connector shown.



http://www.rchelicopterfun.com/paral...-charging.html

TheFcuddy 04-26-2010 09:06 AM

Check out www.Progressiverc.com David Gray has an explanation on parallel charging batteries. It is very effective, it charges and balances the batteries equally. It makes your charger think it's charging a huge battery. For example, I always charge multiple 2S 5000mAh lipo. If I do four 2S my charger thinks it's charging one 20,000mAh battery. I set my charger to 20amps and the batteries are all charged and balanced in about one hour. I use the icharger 208b with a P350 power supply. It is no joke!


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