LD25 USB Electronic Load Digital Display Battery Test Adjustable Resistor Voltage Current Mete Features: This is a high-performance intelligent electronic load that can perform constant discharging test. It supports over voltage protection, over power protection and over temperature protection. Intelligent temperature control fan + all aluminum fan for better heat dissipation. Oil bearing intelligent temperature control fan, speed 5800±10%RPM. Assist to measure Micro USB cable, Type-C cable, output current capacity of charger good or not. Specification: Product Model LD25 Rated operational voltage DC4-25.0V Max discharging power 25W Rated operational current 0.25-4.00A (when fan don't work, the minimum constant current is 0.05A) Fan Speed 5800±10%RPM Constant current resolution ± (1%+3 digits) Working temperature -10℃~40℃ Adjustable potentiometer Precision multi-loop adjustable potentiometer Display mode 4 bit LED tube Expansion port Micro USB port, Type-C port Weight Approx. 58g/2oz Size 80*40mm/3.1*1.6in Note: 1. This product has no reverse connection protection. The input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired. 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List: 1 * Electronic Load