High Current 1–20S 200A Charge 300A Discharge BMS Tester Machine For Lithium BatteryProduct DescriptionACEY-BP20-200A300A BMS Tester is designed for testing 1-20S battery management systems used in lithium battery pack manufacturing and assembly. It supports charge overcurrent protection testing up to 200A and discharge overcurrent protection testing up to 300A. The tester evaluates overcharge, overdischarge, overcurrent, short circuit protection and recovery functions, while