JB4 Mobile App for Android - Features 

This is a tutorial on the JB4 Mobile App for Android. It has an overview of the features and day-to-day usage of the app, connected to the BMS JB4 tune. Enjoy!
Where to find the JB4 Bluetooth Connect Kit?
amzn.to/2H47xfB (JB4 Smart Phone Wireless Connect Kit (Rev. 3))
Where to find a OTG Cable (instead of connecting with Bluetooth)?
amzn.to/2qzE1UU (UGREEN OTG cable Female to Male)