Battery Testers are essential industrial tools designed to evaluate the performance, capacity, and health of various battery types, including lead-acid, lithium-ion, and nickel-based batteries. These devices are widely used in manufacturing, automotive, aerospace, and energy storage sectors to ensure reliability and safety. Key features include voltage and current measurement, internal resistance testing, and state-of-charge analysis. Advanced models may offer automated testing, data logging, and compatibility with multiple battery chemistries. Industrial-grade battery testers are built for durability, precision, and compliance with industry standards, making them critical for maintenance, quality control, and diagnostic applications.