Tuesday, 27 March 2012

BATTERY CHARGING + -

How to charge a battery:

When changing a battery, battery manufacturers recommend disconnecting the negative ground connection first to prevent accidental short-circuits between the battery terminal and the vehicle frame.



Once you have taken off the battery, take it to a safe area with plenty of ventilation and away from kids, pets, naked flames and sparks.


















This battery has the individual caps


This battery has caps under the yellow strip


Before you connect the battery charger, you will need to check the levels inside the battery




If they are low, then you need to top up the cells with 'distilled' or 'de-ionised' water.




Looking into the cells, you can see they have
been filled so that the plates are covered with the electrolyte.

This video from You Tube : http://www.youtube.com/watch?v=CYdR3NVQk3U



CHARGING

If you are leaving the battery on the car then disconnect the negative (black) and positive (red) wires from the battery using the relevant spanner (usually 10mm).
Before you go any further, make sure you have read the manufacturers instructions that come with the battery charger.
With the battery charger unplugged from the electricity supply, connect the black charger clip to the negative ( - ) terminal of the battery and the red clip to the positive ( + ) terminal.
Now plug the car battery charger into the mains and switch it on.
Leave the battery charging overnight and when you check on it in the morning the charger should indicate that the battery is fully charged.
Switch off and then unplug the charger, remove the charger clips from the battery and refit the cell caps / strip.
The battery should now be ready to refit to the car, follow the removal instructions in reverse.

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