Answer
Apr 09, 2025 - 06:06 AM
When a 12-volt battery is fully charged, the battery charger should read approximately 12.6 to 12.8 volts. This voltage range indicates that the battery is at full capacity, as a fully charged 12-volt lead-acid battery typically measures around 12.6 volts at rest. If the charger has a digital display, it may show a slightly higher voltage while actively charging, due to the charging process.
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