Battery Charging. Buick GL7 (Export) 2000

For 1990-2009 cars

Use a charger, with an end voltage of 16 V, equipped with a voltmeter that is accurate to within 1 percent.

The ambient temperature should be 15-38° C (60-100° F). A battery that is extremely cold will not accept immeasurable current for several hours after starting the charger.

The charging area should be well ventilated.

Do not charge the battery when the built in hydrometer is clear or yellow (3). Replace the battery if there is a cranking problem.

Do not charge a battery that appears to be frozen, replace it.

Batteries showing a green dot in the hydrometer (1) do not need to be charged unless they have just been discharged (such as cranking the engine).