What is the normal voltage for a motorcycle?

1 Answers
DiAurora
07/30/25 4:25am
Each battery cell in a motorcycle's battery has a voltage of 12V. During the charging process, the charging voltage is generally considered normal between 13.5-14.5V. Method to check voltage: Turn off the ignition switch and measure the voltage between the terminals. If it shows 12.5V or higher, the battery is normal. If the voltage is below 12.5V, investigate the cause. Precautions: During the charging process of a motorcycle, the charging current should not be too large. It is recommended that owners avoid using fast charging. When charging, use half of the rated charging current and double the rated charging time. For non-sealed batteries, it is necessary to open the vent caps and charge in a well-ventilated environment, while also keeping away from any fire sources to prevent accidents caused by hydrogen gas generated during charging.
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