Programmable DC Electrical Load Battery Tester, 500V/150V 40A/15W 400W ET5420 ET5410 Digital Control Load Meter ,Efficient Heat Dissipation

Multiple Safety Protection & User-friendly Interface:Equipped with input polarity reverse prompt and intelligent fan speed control for safe and quiet operation. User-friendly Design & Multilingual Support:Features a 2.8-inch TFT LCD with Chinese/English support, ensuring easy operation and a visual interface for quick setup. High Performance Load Bank Tester:Equipped with six basic and eight professional modes, this load bank tester caters to diverse battery and LED testing needs. Remote Operation & Data Storage:Supports USB remote operation and maintains data storage in case of power failure, enhancing convenience and reliability. Comprehensive Safety Features:Offers overcurrent, overvoltage, overpower, and overtemperature protection, ensuring safe and effective load testing.