OTHER FEATURES ---- automatic statistics of discharge capacity and discharge time; set maximum discharge capacity OAH and maximum discharge time OHP (to realize unattended aging experiments); with intelligent temperature-controlled fan; with powerfully serial communication function.PARAMETER ---- input voltage range DC 5v~30v; load voltage range DC 1.5v~25v; rated current 5A max; rated power 35W max; other displayed value: capacity, discharge time.PROTECTION ---- reverse connection protection; over-voltage protection (OVP); over-current protection (OCP); over-power protection (OPP); low-voltage protection (LVP); over-temperature protection (OTP).LOCKABLE CURRENT ---- with rotary coding potentiometer, can accurately adjust the current, accuracy can reach 0.01A; the current can be locked to prevent misoperation.DATA GROUP FUNCTION ---- can choose whether to add up the capacity value and running time of the previous stage.FeaturesSimultaneous display of voltage and current and mAH data for easy viewingCan detect mobile power output mAHMultiple sets of test data are saved, power-down save functionDoes not affect data transmissionHigher precision, the current parameters will not jumpUSB male and MicroUSB ports are dual-powered to detect MicroUSB line qualityCurrent sampling 25 milliohms, less lossWith precision current calibration, current accuracy is higher (it has been calibrated at the time of shipment)Performance parametersInput voltage: 3V-15V (actually within 15V)Voltage resolution: 0.01VTest current: 0.05A-3.50ACurrent resolution: 0.01ACapacity range: 0-19999mAHAccuracy: plus or minus 1%Line loss: about 0.1 ohmTest content: battery voltage, current, discharge capacity (total 10 sets of data)List1x digital voltage measuring instrument Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you