ET5420A+ Programmable DC Electronic Load Tester Testing System for Power Supplies, Batteries, and Components (CV/CC/CR/CP Modes | 400W/150V/20A*2 | High-Accuracy Battery Discharge Tester)

Key Features Included:Multi-Functional Modes: CV (Constant Voltage), CC (Constant Current), CR (Constant Resistance), CP (Constant Power).High-Precision Measurement: ±0.05% accuracy in CV/CC modes, 1mV/1mA resolution.Wide Compatibility: 0-150V input voltage, 0-40A current range, 400W max power.Battery Testing: Capacity analysis via CC/CR discharge modes.Dynamic Transient Testing: Programmable timing (50ms–60s) for CC/CV stress tests.Multi-Channel Operation: Dual 20A channels for parallel high-current applications.

• Versatile Electronic Load Functionality：The ET5420A+ serves as a high - performance programmable DC electronic load. With a remarkable resolution of 1mV/10mV and 1mA/10mA, it guarantees precise measurements. Its high - speed and high - precision design, powered by a high - performance chip, enables it to handle various load requirements, making it a reliable choice for a wide range of applications.
• Comprehensive Battery Testing Capabilities：As a battery load tester, the ET5420A+ is equipped with dedicated functions for battery testing. It offers multiple discharge modes such as CC (Constant Current) and CR (Constant Resistance), allowing for accurate assessment of battery performance. Whether it's testing the capacity, internal resistance, or discharge characteristics of batteries, this device can meet the demands of battery manufacturers, researchers, and users in battery - related industries.
• Specialized LED Testing Features：For LED testing, the ET5420A+ has specialized functions. It can precisely control the current and voltage applied to LEDs, ensuring accurate evaluation of LED performance, including brightness, color consistency, and lifespan. This makes it an essential tool for LED manufacturers, lighting fixture producers, and quality control departments in the LED industry.
• Efficient Battery Discharge Instrument：Functioning as an efficient battery discharge instrument, the ET5420A+ can discharge batteries in a controlled manner. The adjustable discharge parameters, like current and time, enable users to simulate different real - world discharge scenarios. This is crucial for battery quality testing, battery aging studies, and optimizing battery usage in various applications.
• User - Friendly and Protective Design：Featuring a 2.8 - inch TFT liquid crystal display screen, the ET5420A+ supports both Chinese and English displays, providing clear and detailed information. The operation is straightforward with an intuitive interface. It also comes with a key - lock function to prevent accidental operation. In terms of safety, it has over - voltage, over - current, over - power, and over - temperature protection functions, ensuring the device and the tested components are well - protected during operation.