High-Precision HZNZ-300 Portable Battery Internal Resistance Tester

Accurate and efficient testing with advanced 0.1mΩ resolution for reliable battery diagnostics. Ideal for lithium-ion, lead-acid, and NiMH batteries in automotive, industrial, and renewable energy applications.

Durable aluminum alloy casing ensures impact resistance and long-term stability. Features a bright OLED display with clear readings even in low-light conditions.

Lightweight and portable design with ergonomic grip for on-site testing. Includes built-in data storage for tracking battery performance over time.

Supports multiple test modes (AC/DC) for comprehensive battery health analysis. Backed by Huazheng Electric’s professional-grade engineering and strict quality control.

Perfect for technicians, engineers, and maintenance teams requiring fast, precise battery assessments. Bulk discounts available for wholesale buyers.