How to test a dead Battery Charger

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of the Apple Laptop Battery   First post by: www.batterystores.ca

The dead battery charger means the charger can not work : can not charge the laptop battery or can not run the laptop. When our laptop battery can not charge, we must check the battery and charger state. Now let me list the steps of test our battery and charger below.

Make sure the battery charger cable is plugged in and the output is to power.

Look closely at the battery. Is there corrosion or leakage? If so, replace the battery immediately.

Test the charger. For DC chargers, a voltmeter set at 25 VDC and touch the contacts with the probes. The meter should read about more than 1 V Evaluation of the shipper. If the reading is zero, change battery catheters.

Testing a AC charger through the establishment of a voltmeter to 25 VAC. Tap the contact probes. The transformer in the charger is bad if you get no reading.

Check contacts. These are strips of metal or points in the appliance and charging cradle. With the battery charger unplugged, clean with a cotton swab. Use a fine emery board to remove visible corrosion.

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