Charging a Battery Charging a Battery

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ObjectiveObjective

Student will determine the Student will determine the state of charge of a battery state of charge of a battery

and charge a battery and charge a battery in or out of the vehicle.in or out of the vehicle.

MATERIALS REQUIREDMATERIALS REQUIRED

1. EYE PROTECTION1. EYE PROTECTION2. VOLT-OHM-METER2. VOLT-OHM-METER3. BATTERY CHARGER3. BATTERY CHARGER4. BATTERY4. BATTERY

ProcedureProcedure

CAUTION! CAUTION! Never Make Sparks or Flame by Battery Never Make Sparks or Flame by Battery

The Hydrogen Gas Given Off by the Battery isThe Hydrogen Gas Given Off by the Battery is

Explosive!Explosive!

STEP 1STEP 1WEAR EYE PROTECTION!WEAR EYE PROTECTION!

STEP 2STEP 2Determine battery voltageDetermine battery voltage

(Use 20 Volt DC Scale)(Use 20 Volt DC Scale)

Write It Down! Write It Down!

STEP 3STEP 3Determine State of ChargeDetermine State of Charge

Document Battery VoltageDocument Battery Voltage

Record Battery Voltage &Record Battery Voltage &EstimateEstimate Percentage of Charge & Record Percentage of Charge & Record

11.7 or Lower…………………0% Charge 11.7 or Lower…………………0% Charge 12.0 ………………………………….25% Charge12.0 ………………………………….25% Charge12.2 ………………………………….50% Charge12.2 ………………………………….50% Charge12.4 ………………………………….75% Charge12.4 ………………………………….75% Charge12.6 or Higher …………….100% Charge12.6 or Higher …………….100% Charge

STEP 4STEP 4Hook Up Battery Charger (+)Hook Up Battery Charger (+)

Hook up Positive (+) Clamp Hook up Positive (+) Clamp to Positive Post on Batteryto Positive Post on Battery

STEP 5STEP 5Hook Up Battery Charger (-)Hook Up Battery Charger (-)

Hook up Negative (-) Clamp Hook up Negative (-) Clamp to Engine Block Groundto Engine Block Ground

STEP 6STEP 6Set Battery Charger SettingsSet Battery Charger Settings

For most batteriesFor most batteries12Volt Hi for 60 Minutes12Volt Hi for 60 Minutes

STEP 7STEP 7Plug In Battery ChargerPlug In Battery Charger

When time is up When time is up Unplug Charger Unplug Charger FIRST!FIRST!

REVERSE PROCEDURE REVERSE PROCEDURE TO DISCONNECT CHARGERTO DISCONNECT CHARGER

WHEN FINISHED CHARGINGWHEN FINISHED CHARGING

NOW, CLEAN UP! NOW, CLEAN UP!

CLEAN, SHUT OFF CLEAN, SHUT OFF & PUT AWAY & PUT AWAY

VOLT-OHM-METERVOLT-OHM-METER AND BATTERY CHARGERAND BATTERY CHARGER

FILL OUT YOUR FILL OUT YOUR SKILL SHEET COMPLETELYSKILL SHEET COMPLETELY

& GET IT SIGNED!& GET IT SIGNED!

QUESTIONS? QUESTIONS?

ASKASKINSTRUCTORINSTRUCTOR

THE END THE END