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Discuss the Segway Ninebot ES and Ninebot Max Kick Scooter in this Forum. Topics include the Segway-Ninebot app, hardware, street riding, etc.
#18071
Hi!
I get a used external battery for my Ninebot ES2. I don't know, that's working. I checked the voltage on the main pins of external battery. There is about 20V.

I don't want to connect this battery with my scooter, because I'm worry about controller and internal battery. I don't want to crash something.

Is there any way to check it with multimeter? What should be voltage on the externall battery without connecting it with scooter?
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