4S 40A Li-ion Cell Protections Board Balance Version Lithium Batterys BMS Integrated Circuits Protective Board for Drill Motor

Features: Can batterys and prolong the service life of batterys. Used for Charging/discharge four groups of lithium batterys in series. Each group can connect multiple lithium batterys in parallel. Applicable to the nominal voltage of 3.7V fully charged 4.2V lithium batterys can be drilled below 170W. Specifications: Version: Balance Charging-Voltage: D C16.8-17V Continuous Charging-Current: up to 20A Continuous Discharge Current: 40A Maximum (Nice heat dissipation condition) Item Size: 60 * 45 * 4mm / 2.36 * 1.77 * 0.16in Package Size: 120 * 80 * 12mm / 4.72 * 3.15 * 4.72in Package Weight: 10g / 0.35ounces Package List: 1 * Protective Board