A battery charger needle goes back and forth when the battery is being charged. This is normal and is not a sign of a problem. The battery charger needle goes back and forth as the battery charges to ensure that the...
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Battery Charger Needle Fluctuates
A battery charger needle fluctuates when there is a problem with the battery or the charger. This can be caused by a number of factors, such as a bad connection, a weak battery, or a problem with the charger. If the...
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