Fuhjythy DC 3.7-20V 3A 25W Load Tester Electronic Test Resistor Module USB&Type C Interface Adjustable Constant Current

4. Intelligent over-temperature adjustment to avoid excessive temperature damage to the module or other safety issues when overloaded. 2. High-current USB, dual interfaces are more widely applicable, and can be used in parallel if the power is not enough. 1. Intelligent start and stop fan, optimized fan drive circuit, more stable wind power and working voltage. 3. Upgrade the high-power tube with higher fan speed and better heat dissipation, resulting in higher load power. 5. Wide range of applications: The main purpose is power aging, battery discharge, factory testing, etc. It is suitable for various production aging uses.