Ninebot Rental External Battery Issue

DragonKN
Posts: 2
Joined: Thu Aug 13, 2020 1:47 am

Ninebot Rental External Battery Issue

Postby DragonKN Thu Aug 13, 2020 9:28 am

Hi guys!

Recently I bought a used external battery for my Ninebot ES2 and probably it was used on a rental scooter, I´m receiving error 42 and I think its the rental firmware on it´s BMS.
My question is if there is a way to flash this battery directly through uart connection or using a ST-LINK v2.
yesfx
Posts: 5
Joined: Mon Jun 22, 2020 7:02 am

Re: Ninebot Rental External Battery Issue

Postby yesfx Wed Aug 19, 2020 9:43 am

Hi guys!

Recently I bought a used external battery for my Ninebot ES2 and probably it was used on a rental scooter, I´m receiving error 42 and I think its the rental firmware on it´s BMS.
My question is if there is a way to flash this battery directly through uart connection or using a ST-LINK v2.
yes, it has an STM8L151 chip on it. This is a different ST cihip than the one on the dash and ESC though, and I have no idea where you would link up to on the PCB. Tried to take some pics of my PCB for you but i have shaky hands and shitty phone, will do better later http://imgur.com/a/LQp50ht

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