Volkswagen Polo Service & Repair Manual: Battery with Visual Indicator, Enhanced

Volkswagen Polo Service & Repair Manual / Battery, Starter, Generator, Cruise Control / Battery / Types of Batteries / Battery with Visual Indicator, Enhanced

This is a maintenance-free battery with liquid electrolyte (wet battery).

Caution

Do not remove any of the labels on the battery and do not add distilled water. Only perform a visual inspection. Note the chapter on battery testing. Refer to → Chapter „Battery, Checking“.

WARNING

Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used!

There is a risk of explosion during testing, charging or jump starting.

These batteries must be replaced.

The battery is installed in certain Stop/Start vehicles due to special requirements. “EFB” is written on the battery cover to identify this battery. “EFB” stands for »enhanced flooded battery« (enhanced wet battery).

An “EFB” battery may only be replaced with another “EFB” battery.

An “EFB” battery has a visual indicator for checking the battery electrolyte level.

Visual indicator, checking. Refer to → Chapter „Visual Display in Battery Cover, Checking“.

Note

“EFB” batteries are being installed in smaller gasoline engines with the Stop/Start system and a manual transmission from 05/2011

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