Quick charging/boost starting
WARNING:
- Audi TT equipped with the 3.2L V6 engine are equipped with an Absorbed Glass Mat (AGM) battery that must not be quick charged under any circumstances
- Observe Warning and safety measures for lead acid batteries. Refer to Warnings and safety measures for lead-acid batteries .
- Always wear suitable protective clothing. Refer to Warnings and safety measures for lead-acid batteries .
- Conventional batteries should only be quick charged when absolutely necessary (to aid in starting), and the charge current must not exceed 20% of battery capacity (refer to charger instructions).
- Battery must not be connected to vehicle electrical system when quick charging. Disconnect negative ( - ) and positive ( B+ ) battery terminals. Refer to Battery, disconnecting and reconnecting .
WARNING:
- The battery cell caps must always be firmly screwed on for charging, voltage measurement and load measurement.
- Ensure good ventilation.
- Avoid naked flames and never smoke in rooms used for charging batteries as the battery forms gas which is readily flammable during the charging process.
- Observe safety regulations of charger and battery manufacturers.
- Never "quick charge" a totally discharged battery. Effective charging will not take place.