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Battery function Battery parts Chemical actions Discharge cycle Charge cycle Battery ratings. Battery Maintenance Charging Jumping Dead Batteries Safety Increasing battery life. AUTOMOTIVE BATTERIES. Battery Safety. Acid Glasses Explosion.

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Presentation Transcript
automotive batteries
Battery function

Battery parts

Chemical actions

Discharge cycle

Charge cycle

Battery ratings

Battery Maintenance

Charging

Jumping Dead Batteries

Safety

Increasing battery life

AUTOMOTIVE BATTERIES
battery safety
Battery Safety
  • Acid
  • Glasses
  • Explosion
battery functions
Provide electricity to start the engine***

Provide electrical power to the vehicle when the engine is off

Help the alternator if the electrical load exceeds alternator capacity

BATTERY FUNCTIONS
battery construction
BATTERY CONSTRUCTION
  • PLATES. Separators, connectors, and Electrolyte
  • Positive plates PbO2 Lead oxide
  • Negative plates Pb-lead
  • Separators
  • Element
  • Electrolyte H2SO4+H2O
    • Sulfuric acid and water
    • Wet cell
  • Battery case (polypropylene)
  • Terminals (+ LARGER & -) Two dissimilar metals
  • May be charged after discharge
plate construction
PLATE CONSTRUCTION
  • Positive plates and negative plates stacked next to each other.
  • Separators do not allow plates to touch.
  • More powerful batteries simply have more plates
battery discharge cycle
BATTERY DISCHARGE CYCLE
  • Acid reacts with plate material
  • Electrolyte increases in water content
  • Positive and Negative plates form lead sulfate
  • Negative terminal has excess electrons
  • Positive terminal has a lack of electrons
battery charge cycle
BATTERY CHARGE CYCLE
  • Alternator forces electrons back into the battery
  • Lead sulfate breaks up
  • Reforms into acid in the electrolyte
  • Amount of water decreases in electrolyte
  • Amount of acid increases in electrolyte
charge indicators
Charge Indicators
  • Dot
    • good
  • Dark Green
    • recharge
  • Yellow
    • replace
battery ratings
BATTERY RATINGS
  • Cold Cranking Amps
    • CCA
  • Reserve Capacity
    • RC
  • Watts
  • Amp Hour Rating (old)
battery maintenance
BATTERY MAINTENANCE
  • Remove battery
  • Disconnect (-) first
  • Clean Battery Case &Top
  • Clean Battery Terminals
  • Secure Battery Hold Down
charging jumping
CHARGING & JUMPING

3rd

  • Proper Connections
  • Slow Charge
  • Trickle Charge
  • Fast Charge (boost)
  • Jumping
  • Safety

1st

2nd

LAST

slide18
10 - C
  • 11 - B
  • 12 - C
  • 13 - A
  • 14 - A
  • 15 - C
ad