CBC Automotive n Operation n Service n Diagnosis Battery

CBC Automotive Battery n Source of Energy n Reserve while running n Stabilizer

CBC Automotive Battery n Converts chemical energy into electrical energy

CBC Automotive Cells n # of cells n Cell voltage n How cells are connected

CBC Automotive Chemistry n During charging and discharging

CBC Automotive Charged n + = Pb O2 (Pure lead peroxide) n - = Pb (Sponge lead) n Solution = H2 SO4 n Solution of Sulfuric acid & water

CBC Automotive Discharging n + = PbSO4 n - = PbSO4 n Plates turn to Lead Sulfate n Solution = H2O

CBC Automotive n Why do batteries freeze?

CBC Automotive Reversing the cycle again

CBC Automotive Battery Gassing n During discharge n During charge

CBC Automotive Batteries do blow up

CBC Automotive Precautions n Remove grd. term. first n Connect grd. last n Jumper/charger on block n Corrosive

CBC Automotive Precautions n when jumping a battery n when using a charger n when disconnecting a cable n when using any flame source

CBC Automotive Construction

CBC Automotive n Positive plate n Negative plate n Separator n Grid

CBC Automotive Conventional Battery

CBC Automotive pluses Maintenance Free - pluses n Larger plates n Resistance to overcharging n Longer shelf life n Higher cold cranking rate

CBC Automotive faults Maintenance Free - faults n Grid growth - hot n Can’t take being deep cycled n Low reserve capacity n Drain quick with a parasitic load n Shorter life

CBC Automotive Low maintenance

CBC Automotive Hybrid Batteries n Calcium in the neg. plates n Antimony in the pos. plates n Allows deep cycling n Marine n Golf carts etc..

CBC Automotive Recombination n Has gel instead of liquid n Result - no gassing n higher cell voltage.1 n cold starting

CBC Automotive Terminals n Post n leakage n Side Terminal n “L” terminal n specialty and import

CBC Automotive TemperatureTemperature 0’ = 40%0’ = 40% ChargeCharge Plate areaPlate area ImpuritiesImpurities GassingGassing

CBC Automotive Causes of battery failure

CBC Automotive failure Causes of failure n Electrolyte level n Overcharging n Undercharging n Corrosion n Cycling n Temperature n Vibration

CBC Automotive State of charge testing

CBC Automotive Hydrometer n with float n with balls

CBC Automotive Open Circuit Voltage Test n Sealed batteries n Remove surface charge n 12.6 = fully charged n 12.4 = 3/4 charged

CBC Automotive Must be 3/4 charged before doing a battery capacity test A battery Must be 3/4 charged before doing a battery capacity test

CBC Automotive Check the temp. Before load testing - Check the temp.

CBC Automotive Before load testing you must know what the battery is, or should be rated at The right battery for the vehicle

CBC Automotive Ratings n Ampere-hour rating n Cold cranking rating n Reserve capacity rating n Watt hour rating

CBC Automotive Capacity Test Three times the ampere-hour rating Formula for load testing

CBC Automotive Cold cranking amps divided by 2 Formula for load testing

CBC Automotive Three minute charge test sulfated Tests for a sulfated battery n 40 amps for three minutes below n Should be below 15.5 volts

CBC Automotive Battery Drain test or System drain test everything off n Ammeter in series at the battery post with everything off n GM.1

CBC Automotive Battery leakage test n Volt - at negative post n Volt + across battery n under 10 volts

CBC Automotive Fast / Slow charging

CBC Automotive Battery cleaning

CBC Automotive That's all folks