Feature use for new daly series lithium battery protection board only old version is not support wi fi function with bluetooth module can be upgraded to app control package includes 1 x bluetooth module optional or1 x wifi bt module optional the battery protection board and battery are not includes how to use the bluetooth module download the dedicated app scan the qr code below to get the app insert the bluetooth module into the corresponding socket wrong insertion will burn it out open the app find the corresponding bluetooth number and you can get the data information of the protection board and change the relevant parameters should be done under technical guidance
