Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Battery (All): Terminology: Charging
The process by which a battery is supplied with energy by a charger or the generator (GEN) in the car. During charging, the lead sulfate in the plates is converted back to pure lead on the negative plates and to lead oxide on the positive plate. Water is consumed, sulfuric 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
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.