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Home >> Volkswagen >> 2008 >> Golf Automatic >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Electrical Equipment (A4 Platform) >> 27 Battery, Starter, Generator, Cruise control >> Battery, charging >> Battery charger, connecting

Battery charger, connecting

WARNING:

Danger of explosion!

  • Batteries produce explosive gasses while being charged.
  • Keep open flames and sparks away and DO NOT smoke near batteries.
  • The battery charger MUST be turned off when connecting or disconnecting the cables at the battery.
  • Battery cell caps must NOT be removed while charging.
  • "Boosting" a sulfated battery a high charging rate can cause an explosion.
  • Ensure that battery is charged in a well ventilated area.
  • Precision tools must not be kept in the same room where batteries are being charged. Tools may corrode due to chemical reaction.
CAUTION:

In order to prevent damage to the battery or vehicle, observe battery type descriptions and notes. Refer to Battery types 

Special tools and auxiliary items needed 

NOTE:
  • Before charging, battery must have a minimum temperature of 10 ° C (50 ° F)
  • It is not necessary to remove battery from vehicle or disconnect battery terminals.
  • Charging voltage must not exceed 14.4V.
  • Always follow the battery charger operating instructions
  • After charging, confirm battery no load voltage and electrolyte specific gravity before reuse in vehicle.
CAUTION:

Before beginning repairs on the electrical system

  • Switch off all electrical consumers.
  • Switch ignition off and remove ignition key.
WARNING:

If battery begins gassing (boiling) violently when charging, REDUCE charging rate immediately.