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Battery (All): Terminology: Charging

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

The process by which a battery is supplied with energy by a charger or the generator (GEN) in the car. During charging, the lead sulphate in the plates is converted back to pure lead on the negative plates and to lead oxide on the positive plate. Water is consumed, sulphuric acid is formed and the density of the acid increases.

This reaction can be written:

2 PbSO4 + 2 H2 O → PbO2 + Pb + 2 H2 SO4

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