Friday 11 April 2014

Precautions during charging battery.

      * While charging the vents must be open so that the gases( H2 and O2 )can be able to escape,otherwise the case may be get cracked.
      * During charging the battery room temperature should not exceed 40 degree Celsius and so that violent gassing does not takes place.Instead of charging battery at a constant charging current we use high current and at starting time and reduce the rate gradually as the battery becomes fully charged.
      * Open flame,lighted cigarette etc.should not carry near a battery while charging.charging. Because the mixture of Hydrogen and Oxygen is really explosive.
      * After charging water should be added to compensate the loss of water by gases evaporation.The level of the electrolyte should be 1 cm above the tops of the plates.If water is not added , the excessive concentration of H2SO4 may damage the battery.

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