Switch to the left is Battery Load Test Mode:

* 12V Green LED: Current test battery is 12V * Full Green LED: Indicates that the battery is in good condition and has a good load capacity * Middle Yellow LED: Indicating that the battery is in very moderate condition, the carrying capacity is average * Low Red LED: Indicates poor battery condition and low load capacity

Switch to the right is Battery Charging Test Mode:

* 24V Red LED: Current test battery is 24V * Fault Red LED: Abnormal battery condition, high voltage * Good Green LED: Normal working voltage * Full Green LED: Good battery condition * Middle Yellow LED: Medium battery * Low Red LED: Low power, need to be charged * OK Green LED: Check before charging

Start The Battery Capability Load:

Switch to the loading test mode, then start the engine. Full: six-five LED will be shine ; Middle: four-three LED will be shine ; Low: two-one LED will be shine, if no LED shine it means the battery capacity is very low, please charging the battery or change the battery.

Comment:

If the battery is not in good condition, the signal lamp "Battery OK" will start to go off, and the charging status of the battery LED will not light up.

Warning:

Please use the battery mate in a safe area, and follow the instruction. Parking The car in a safe area before performing the testing.

Voltage Thresholds Details:

Please check the below table for reference. The threshold might be a little different due to the different battery types, please go to a professional car battery workshop for further testing if in an emergency.