ITEM NAME:5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cel Ew.Continuous 15A current maximum temperature rise: 25 ℃. Short circuit protection delay 200/500/600uS. The normal working state of B- to P- resistance: 5mÃŽ ©. 1 x Protection board. Single section since the power consumption: 30uA.