4A 25w Electronic Load Adjustable Constant Current Aging Resistor Battery Voltage Capacity Tester LCFeatures:The current a voltage V power W capacity ah and discharge time can be displayed;Have a sound protection mechanism;Automatic statistics of discharge capacity and discharge time;Set maximum discharge Capacity (OAH) and maximum discharge time (OHP); (Realization of unattended aging experiments)Intelligent temperature-controlled fan, when the power is greater than 10W or the temperature is greater than 40 fan start automatically;The use of rotary coding potentiometer, can accurately adjust the current, accurate to 0.01A, the current can be locked to prevent misoperation;Data group function: You can choose whether to add up the capacity value and running time of the previous stage;Has a powerful serial communication function. Specification:Rated supply voltage: DC5~30VRated load voltage: DC1.5~25VRated load current: 0~4ADischarge power: 25WConstant current accuracy: (1%+3)Voltage accuracy: (0.5%+1) Package included:1 x Battery Tester Details pictures: