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BM410 12V & 24V Car Battery Tester 7 LED Lights Display
BM410 battery detector with clips, perform outside vehicle, have to open hood to test the battery condition, but in very fast respone and accurate data.
Swich 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
Swich 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
Attch the cabla clip of the red cable to the positive(+) of the battery and the black to the negative (-).
2) Checking The Dybamo:
Connect the testing device. Start the engine and switch off the headlights, radio etc. Star the engine again and switch on the headlights, radio etc. In both cases, then green signal LED "GOOD" should shine. The red signal LED " Defective" will start to shine if the dynamo in bad condition. If the situation happen, please go to local car workshop in your earliest time.
3) Checking The Charging Level:
Switch on the headlights for 1-2 minutes, then switch off. Remove the cable clips from the battery, wait approx. 10 mins then switch the testing device on again. A signal LED will shine according to the charging status of the battery indicating "Full" "Half-full" or "Very low charge".
4) Battery Start Capability:
The battery needs to be charged up to the maximum. Remove the connection of the ignition coil then connect the testing device. Try to start the vehicle using the key in the ignition switch. The engine cannot start (interrupted ignition). When the green signal LED "Battery OK" starts to shine, the charging status of the battery is ok.
5) 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.
If the battery is not in good condition, the signal lamp "Battery OK" will start to go off and charging status of the battery LED will not loght up.
The threshold might be a little different due to the different battery type, please go to professional car battery workshop for further testing if in emergency.
1 x BM410 Battery Tester
1 x English User Manual