DC 12V DC Load Yester, Electronic Load Battery Capacity Tester Module, 0-10A 100W Intelligent Constant Current Electric Discharge Monitor for Power Bank Capacity Testing

DC 12V Electronic Load Tester, Load Battery Capacity Tester Module, 0-10A 100W Constant Current Discharge Monitor for Power Bank Capacity Testing

DROK USB Load Tester, Electronic Load Test Resistor Module 25W LD25 USB and Type C Interface Discharge Adjustable Constant Current 0.25A-4A Intelligent Temperature Control with Cooling Fan

Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A