Battery Internal Resistance Tester

A: The device is usually calibrated at the factory. If calibration is required, it is recommended to contact professional technicians or return it to the manufacturer for operation to avoid precision degradation due to self - calibration.

A: First, check if the battery connections are secure to ensure good contact. Next, confirm that the device has sufficient power to avoid measurement inaccuracies due to low battery. If the problem persists, restart the device or contact technical support.

A: It is recommended to store the device in a dry, ventilated environment free of corrosive gases, avoiding direct sunlight. Additionally, it is advisable to charge the device every three months to maintain battery performance.

A: Use a soft, dry cloth to gently wipe the screen. Avoid using cleaning agents containing alcohol or chemical solvents to prevent damage to the screen surface.

A: Check if the power connections of the device are normal and ensure the battery has sufficient power. If the device has a self - check function, run the self - check program first. If the problem remains unresolved, contact after - sales service and provide the error code or fault symptoms for quick diagnosis.

A: Open the exported data file with the accompanying PC software. The software will automatically analyze the data and generate charts and reports. Users can assess the battery health based on the data comparison and analysis results in the report.