Auto Test BST-380, User Manual, Page: 5 / 28

Chapter 2: Tester Components
The AutoTest BST-380 consists of a battery tester main unit, testing cables and current
clamp. The main unit cover is made of ABS acid-resistant plastic.
BST-380 Start & Stop Battery System Tester User's Guide
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ChapTer 2: TeSTer STrUCTUre
BST-380 mainly consists of battery tester main unit, testing cables and current clamp.
BST-380 Battery System Tester main unit cover is made of aBS acid-resistant plastic.
removable testing cables removable current clamp meter
ChapTer 3: operaTion proCedUre
3.1 pre-Test
3.1.1 Connect Tester
● Before test, clean battery poles with metal wire brush and alkaline cleaner to avoid the
tolerance caused by oil and dust to the test result.
● For Group 31 or side-installed battery, connect and fix the terminal wiring connector.
otherwise, inaccurate test result will be caused due to wrong installation or dirty or
bad wiring connectors.
● While testing, ensure none of the in-vehicle electrical appliance is on, doors are
closed and the ignition key is in oFF status.
● Connect the red test clamp with battery anode and the black test clamp with cathode.
Shake the clamps back and forth to make sure they are well connected.
Tester requires the two clamps are well connected with the battery poles, otherwise,
the test cannot go on. When enter the battery test program, screen prompts "Check
Connection" (See below picture).Do clean the poles and re-connect in the right way.
Chapter 3: Operation Procedure
3.1 Pre-Test
3.1.1 Connect Tester
• Before running a test, clean the battery poles with wire brush and an alkaline
cleaner to avoid any changes in tolerance caused by oil and dust.
• For Group 31 or side-installed batteries, connect and fix the terminal wiring
connector otherwise an inaccurate test result will be caused due to incorrect
installation or dirty or bad wiring connectors.
• While testing, ensure that none of the in-vehicle electrical appliances are on, doors
are closed and the ignition key is in OFF position.
• Connect the red test clamp with the battery anode and the black test clamp with
the cathode.
Shake the clamps back and forth to make sure they are well connected.
The tester requires the two clamps to be well connected with the battery poles,
otherwise, the test can not commence. When you enter the battery test program, the
screen will prompt “Check Connection”. Clean the poles and re-connect correctly.
CHECK
CONNECTION