... ; 9 sections battery indicatorPriceUSD5~10 Introduction 1. Part description: 1pc 7-segments LED; 2pcs tact switch(on/down, off/up); 1pc ... this same charge and discharge; 1pc 5mm white LED.2. 7.2V lithium protection function:8.5V over-charge protection; 3A ... quantity indicator value 1-9, 9 is the max number.7. Load: Purely resistive load, resistance: 4-100 ohms, can not ...