Professional USB Adjustable Constant Current Electronic Load Battery Capacity Tester Module 185W 20A with LCD Screen Smart Cooling Fan for Battery Power Supply Testing

Features:LCD screen, display information comprehensively and clearly. Configuration of intelligent fan, which can dissipate the heat effectively and quietly.Test various batteries, direct current power supply, and charging data lines.Specification:Current measurement range: 0.00A ~ 20A, Resolution accuracy: 0.05ACapacity accumulation range: 0 ~ 999.999Ah, Resolution accuracy: 0.01AhPower accumulation range: 0 ~ 9999.9Wh, Resolution accuracy: 0.01WhPower measurement range: 0000.00 ~ 2999.99W, Resolution accuracy: 0.01WImpedance measurement range: 1 ~ 999.9Ω, Resolution accuracy: 0.01 ΩTemperature measurement range: 0 ~ 99 ℃, Resolution accuracy: 1 ℃Timing maximum time: 999 hours 59 minutes 59 seconds, Resolution accuracy: 1 secondTiming measurement reminder settings: countdown 24 hours, any value can be setSmall current standby to remind the threshold parameters and timing: 0.5W begin timingRefresh time: > 500mS / timesMeasurement rate: about 2 times / secOverflow Reminder Set Range: 0.2 ~ 100ADisplay Type: Micro power LCD Module LCM Green Backlight Chinese & English DisplayOperating temperature: -10 ~ +60 ℃Interface: USB, 5.5mm jack, Mini USB, Micro USB, Type-CWorking humidity: 10 ~ 80Working pressure: 80 ~ 106kPaSize: Approx. 156 x 96 x 58mm / 6.1 x 3.7 x 2.2inchWeight: 631gNote:1. Please turn down the knob to the end counterclockwise before using, and then turn up slowly.3. Several tested power supply can not be connected simultaneously.4. The current adjustment knob should be regulated slowly.Package Include:1 x Fan1 x USB Cable2 x Clip1 x Manual(Other items in the picture are NOT included)

• [ACCURATE LCD DISPLAY] The high-resolution LCD screen clearly displays all critical testing parameters including current, voltage, power, capacity and impedance in real-time. This comprehensive display allows for precise monitoring and analysis of your power sources with 0.01W resolution for maximum accuracy.
• [ADVANCED COOLING TECHNOLOGY] Our intelligent fan system automatically adjusts speed based on temperature to provide efficient heat dissipation while maintaining quiet operation. The optimized airflow design ensures even during extended high-power testing sessions.
• [HIGH-PERFORMANCE TESTING] Capable of handling up to 185W power and 20A current, this professional-grade tester supports a wide range of applications. It features precise current control from 0.00A to 20A with 0.05A resolution for detailed battery analysis and capacity measurement.
• [MULTI-PURPOSE COMPATIBILITY] Test various battery types (Li-ion, NiMH,-), power supplies, and charging cables including USB, Micro USB, and Type-C connections. The universal compatibility makes it ideal for engineers, technicians, and electronics enthusiasts.
• [COMPREHENSIVE SAFETY PROTECTION] Built-in safeguards including over-voltage, over-current, and over-temperature protection automatically shut down the unit when dangerous conditions are detected. These features prevent damage to both the tester and your devices during operation.