3.5 inches LCD display can work with LVNOON PB1A2A series inverter BMS. which also can work with LVNOON LB04A, LB06A, LB1A, LB2A series BMS.
^^ Easy to use: Hold the switch once will turn on the BMS & LCD display. Hold the switch for around 3 seconds will turn off the BMS LCD display ^^ All LVNOON BMS default is without LCD display, you can choose to add one, when buying, remember to select the right style you prefer, there are 2.5", 3.5" & 4.3" available to choose.