Enhance your battery testing and power measurement capabilities with this advanced multifunctional tester featuring a clear and comprehensive LCD screen. Designed for precision and safety, this device supports testing of various batteries, DC power supplies, and charging cables while offering detailed measurement data and intelligent heat dissipation through a quiet fan system. Key Features: · Clear LCD Display with Green Backlight: Provides comprehensive and easy-to-read information in both Chinese and English, ensuring accurate monitoring of all measurement data. · Intelligent Cooling Fan: Effectively dissipates heat quietly to maintain stable operation and prolong device lifespan during extended use. · High Load Capacity: Supports a maximum power of 185W and a maximum current of 20A, suitable for a wide range of testing applications. · Versatile Testing Functions: Accurately measures current, voltage, power, capacity, impedance, and temperature with high resolution and reliable accuracy. · Comprehensive Safety Alarms: Built-in over-voltage, over-current, and over-pressure alarms protect the module from damage, ensuring safe operation. · Wide Measurement Ranges and Precision:  – Current: 0.00A to 20A, resolution 0.05A  – Capacity Accumulation: 0 to 999.999Ah, resolution 0.01Ah  – Power Accumulation: 0 to 9999.9Wh, resolution 0.01Wh  – Power Measurement: 0.00 to 2999.99W, resolution 0.01W  – Impedance: 1 to 999.9Ω, resolution 0.01Ω  – Temperature: 0 to 99°C, resolution 1°C · Timing and Reminder Functions: Supports timing up to 999 hours, 59 minutes, and 59 seconds with customizable countdowns and threshold reminders for power consumption and standby current. · Multiple Interface Compatibility: Equipped with USB, 5.5mm jack, Mini USB, Micro USB, and Type-C interfaces for flexible connectivity. · Durable and Portable Design: Compact size of approximately 156 x 96 x 58mm and lightweight at 631g, easy to carry and operate in various environments. · Environmental Adaptability: Operates effectively in temperatures from -10°C to +60°C, humidity of 10%–80%, and pressure between 80–106kPa. Specifications: · Display Type: Micro power LCD Module (LCM) with green backlight and bilingual display · Load Maximum Power: 185W · Maximum Current: 20A · Measurement Accuracy: High-resolution readings for current, capacity, power, impedance, and temperature · Operating Conditions: -10°C to +60°C temperature; 10% to 80% humidity; 80 to 106kPa pressure · Size: Approx. 156 x 96 x 58mm (6.1 x 3.7 x 2.2 inches) · Weight: 631g Package Includes: · 1 x Fan · 1 x USB Cable · 2 x Crocodile Clips · 1 x Manual Note: Please ensure to turn the adjustment knob fully counterclockwise before use and increase gradually. Do not connect multiple power supplies simultaneously. Adjust current slowly to avoid damage. This multifunctional power and battery tester is a reliable and precise tool for professionals and enthusiasts, offering comprehensive data, advanced safety features, and user-friendly operation to optimize your testing and charging workflows.