ITEM NAME:Electronic Load resistor USB Current Tester Discharge Battery Test Capacity A#S Product Description Description: Technical Parameter: Voltage: 3.7-13V Adjustable current: 0.15-3.00A Power: 15W (continuous working) Fan working temperature: 40Â °c Fan: Ball bearing fan Included: 1 X Electronic Load resistor.Included: 1 X Electronic Load resistor. Fan working temperature: 40Â °c. Adjustable current: 0.15-3.00A. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.