Specifications Working voltage DC5VApplicable battery suitable for all batteries that meet the requirements of stopping discharge voltage of 2 5 3 5V and starting from 2 8V to 4 2VPower supply interface Dual Type C power supply interface power supply and power cord are not included System language English Chinese can be switchedTest quantity 4 way charging and discharging measurementInternal resistance measurement support use DC two wire method to test internal resistanceCharging function support automatic cut off charging when fully charged lithium iron phosphate battery charging is not supported Discharge function support automatically stop when conditions are met and the discharge current is not adjustableAutomatic charging and discharging supported The battery is fully charged at the end of automatic modeCyclic charging and discharging supported 1 9 cycles adjustable only supported in automatic mode Status prompt SupportedCooling mode fan active coolingOverheat protection supportStop discharge voltage 2 5V 2 6V 2 7V 2 8V 2 9V 3 0V 3 1V 3 2V 3 3V 3 4V 3 5V 11 adjustable gearsDischarge current Maximum current is approximately 1A not adjustable and customization is not supported Charging voltage controlled by a special battery charging chip with a maximum charge of about 1A and a full charge voltage of 4 2VPower off saving only save the set parameters not the measurement dataProduct size 150 103 36mmPackage size 182 112 50mmF