Battery testing device HZHH-300

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• Applicable battery voltage: 2V / 6V / 12V • Voltage test accuracy: ±0.5% • Charge/discharge current range: 2V: 1–100A; 6V/12V: 1–30A • Battery capacity test range: 2V: 20–1000Ah; 6V/12V: 20–300Ah; 12V: 20–300Ah • Resolution: voltage 0.001V, current 0.1A • Power supply: AC 110V ±15%, air cooling • Display & storage: color LCD, internal/SD card, PC software support The Huazheng HZHH-300 Battery Activation Tester is a professional instrument designed for restoring and maintaining valve-regulated lead-acid batteries. It integrates activation, automatic charging, constant current discharging, and optional internal resistance measurement in one compact system. The device allows users to set voltage, current, time, and cycle parameters, making it suitable for batteries in telecom, power utilities, and backup systems. Its large power capacity, lightweight design, and intuitive color touchscreen make daily testing and maintenance far more efficient. The instrument supports both online floating charge and offline testing, providing accurate real-time display of battery voltage, current, capacity, and operating time. Test results can be saved internally, exported via SD card, or uploaded to PC through powerful data management software, which supports detailed analysis and automatic report generation. With high precision, flexible functions, and user-friendly operation, the HZHH-300 is an ideal solution for battery maintenance teams, laboratories, and field service applications.