ITEM NAME:6-40V LED Battery Charger Discharger Board Under /Over Voltage Protection Mod OZ Module Highlights: 1. Battery charge and discharge intelligent control; 2. You can set the charge and discharge time; 3. With serial communication function, real-time monitoring of the working status of the relay through the serial port; 4. Additional signal output, when the relay to meet the.Find many great options and get the best deals for 6-40V LED Battery Charger Discharger Board Under /Over Voltage Protection Mod OZ at the best online prices at shop2india!