Product Description:
The USB Port Adjustable Constant Current Electronic Load – 35W is a versatile and powerful discharge testing tool designed for evaluating USB chargers, power banks, adapters, and DC power supplies. Featuring a real-time LCD monitor, precise current control, and wide interface compatibility, this compact device supports USB-A, USB Type-C, Micro USB, Mini USB, and iPhone USB. It also includes a set-aside DIY terminal for additional testing needs. Whether you're a hobbyist or a professional, this tester delivers highly accurate results with a robust design optimized for continuous use.
Key Features:
35W Discharge Power: Adjustable constant current from 0.1A to 4.5A
Real-Time Monitoring: LCD screen displays voltage, current, capacity, power, energy, and time
Double Adjustable Knobs: Coarse and fine knobs for precise current tuning (±0.2A fine adjustment)
Wide USB Compatibility: Supports USB-A, Type-C, Micro USB, Mini USB, and iPhone USB
Independent Power Supply: Via dedicated Micro USB interface
High-Efficiency Cooling: Equipped with a high-power copper roller fan and large heat sink for safe operation
Smart Fan Control: Fan runs at 2900rpm above 55°C, stops below 45°C
Parallel Current Mode: For continuous or high-current test applications
DIY Terminal: Allows advanced users to test additional power sources
Data Retention: Auto memory function retains test results after power-off
Technical Specifications:
Voltage Input Range: 1–25V DC
Adjustable Current Range: 0.1–4.5A
Max Discharge Power: 35W
Current Adjustment:
Coarse knob: 0–3A
Fine knob: ±0.2A
Current Accuracy: <2% + 3mA
Operating Temperature: -10°C to 65°C
Fan Control Temperature: On at >55°C, off at <45°C
Device Size: 105 x 55 x 43 mm
Heat Sink Size: 40 x 40 x 10 mm
How to Use:
Plug your test device into the appropriate USB interface.
Adjust current using the coarse and fine knobs as needed.
Monitor all parameters on the built-in LCD.
Use the data reset and function button for multiple test sessions.
For high power tests, ensure adequate ventilation for fan-assisted cooling.
Applications:
USB charger and cable testing
Power bank capacity and output evaluation
DC power supply reliability testing
Battery discharge analysis
DIY electronics and performance benchmarking
Package Includes:
Why Choose This Product?
With its robust build, broad interface support, precise tuning capability, and intelligent thermal control, this 35W electronic load tester is an essential tool for electronics enthusiasts, technicians, and engineers. Whether you're validating power supplies or fine-tuning DIY circuits, it offers unmatched flexibility and accuracy.
Get yours today and take your testing to the next level with this all-in-one constant current electronic load solution!
