Features: The 20A 4 wire Battery Test Stand offers precise and reliable testing for a wide ranges of batteries, including dry, and button cells, with a current capacity of 20A. This tester ensures durability and accuracy, utilizing a 4 wire system for enhances precisions in battery performances evaluation. Ideal for battery research engineers, lab researcher, and electronic product developers, this test stand provide insight into battery health and performances. Perfect for laboratory environment, factory production lines, and scientific research projects, it facilitates comprehensive battery parameters analysis and control. This tool is for easy installation and quick battery swapping, making it a indispensable accessory for any serious battery testing setups. Specifications: Material: Brass, Silicone Size: About. 203x52mm/7.99x2.05in Package Includes: 1 Set Battery Test Stand note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.