Battery, testing with Midtronics Battery Test Kit MCR 340V.

CAUTION: Prior to handling or servicing batteries, read, understand and observe the Warning and Safety Measures for lead-acid batteries → Warnings and Safety Measures !

Dispose of electrolyte (sulfuric acid/water mixture) properly! Waste electrolyte must only be disposed of in appropriate waste disposal sites. Refer to local regulations pertaining to electrolyte disposal.
DO NOT battery test batteries which are gassing. Otherwise there is a risk of explosion.
The following notes and procedures must be followed to ensure correct measurements.

Special tools, testers and auxiliary items required

Fig 1: Battery VAS Tester (Sample)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Battery Test Kit Midtronics MCR 340V (VAG tester illustrated here for reference only).

CAUTION:

Switch off all electrical consumers.
Switch ignition off and remove ignition key.

Check no-load voltage → No load voltage, checking .
Connect tester cable clamps to battery terminal MCR 340V Instruction Manual Tester leads must be securely fastened and make proper contact with the battery posts.
Set tester to "Warranty Test" (refer to MCR 340V Instruction Manual).
Perform battery test by setting load current on tester according to battery (DIN) capacity (refer to MCR 340V Instruction Manual).

NOTE:

Use print function of MCR 340V where test results are required for warranty claims.

Battery test results:

Battery Tester Display / Printout	Required action
Good Battery	None
Good - Recharge	Charge battery where necessary → Battery, charging
Use inCHARGE	Charge battery → Battery, charging
Replace Battery	Replace battery → Battery, charging
Bad Cell - Replace	Replace battery → Battery, charging