Hi everybody. after connected to a 55v bat charge, the 48v controller wont power,nothing burned out inside,it can handal ~56v+,any tech assistance?tks

[zirawyz]

Hi everybody. after connected to a 55v battery charge, to motor... the 48v controller wont power, after check, nothing burned out inside, this controller can handal to ~56v+.
any tech assistance? I will appreciat that

 

[harryS]

A nominal 48V lithium battery charger goes to 54.6 volts, so you will have to explain what you mean by 55V bat charge.

What's the brand of controller, in case you happen to have one that one of the readers might own. How do you know it didn't power up? Is there an LCD or LED display?

 

[zirawyz]

Sorry for back to u late , I m "dum" i should look at circuit diagram to close circuit (sw on-off or LCD) ,
finaley i did n it works and powered the system.
thank you gays.