Kia Cee'd: Charging System / Battery Description and operation

Kia Cee'd JD Service Manual / Engine Electrical System / Charging System / Battery Description and operation

Description

1.	The MF(Maintenance Free) battery is, as the name implies, totally maintenance free and has no removable battery cell caps.

2.	The MF(Maintenance Free) battery does not require water replenishment for the repair.

3.	The battery is completely sealed, except for small vent holes in the cover.

•	After disconnecting then reconnecting the battery negative cable, reset some parts that require the reset procedures. (Refer to Body Electrical System – "General Information")

[AGM Battery for ISG System]

AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is absorbent glass fibre fleece. AGM batteries are fitted in models with electrical loads/consumers which have a high energy demand.

The constantly increasing energy demand of modern vehicle electrical systems calls for ever more powerful battery solutions.

The power consumption is considerable even when the vehicle is parked.

The somewhat higher price compared with a battery of similar size is fully balanced by the following benefits:

–	Significantly longer service life

–	Increased starting reliability at low temperatures

–	100 % freedom from maintenance

–	Low risk in event of an accident (reduced risk to the environment)

Recharging the AGM battery

The battery can be charged using the battery chargers at a constant charge voltage of 14.8V.

If possible, the battery temperature during charging should be between 20°C (68°F) and 30°C (86°F).

Only chargers with voltage clamping (IU or WU curve) can be used or chargers with IUoU curve which have a trickle.

IU or WU charging technique

Optimized charging voltage for IU or WU: 14.7V (at 20°C ~ 30°C (68°F ~ 86°F)) about 24 hours

Min. charging voltage at 20°C (68°F): 14.4V

Max. charging voltage at 20°C (68°F): 14.8V

10% of capacity is recommended as charging current (e.g. 60Ah : 10 = 6,0A charging current).

•	Do not charge the AGM battery with>15.2V. No quick-charging routines.

•

If the battery is charged directly at the battery terminals on vehicles with battery sensor, misinterpretations of battery condition and under certain circumstances also unwanted Check Control messages or fault memory entire can occur.

After recharging finished, let the battery stand for over 10 hours with normal temperature for battery stabilization.

DC DC Converter Repair procedures

Removal 1. Disconnect the battery negative terminal. 2. Remove the glove box housing. (Refer to Body - "Glove Box Housing&quo ...

Battery Components and components location

Components 1. Battery insulation pad 2. Battery (Non-ISG Type) 3. Battery (ISG Type) 4. Battery tray 5. Battery mounting bracket 6. ECM ...

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