The time it takes to charge a motorcycle battery with a trickle charger can vary depending on several factors, including the charger's output, the battery's capacity, and its current state of charge. In general, trickle chargers deliver a low, steady current to the battery over an extended period. As a result, they are designed for long-term maintenance charging rather than quick charging.
On average, it may take anywhere from several hours to overnight to fully charge a motorcycle battery using a trickle charger. However, keep in mind that trickle chargers are primarily used to maintain the battery's charge and prevent it from draining over time, rather than to recharge a fully depleted battery.
To get a more accurate estimate of the charging time, it's recommended to refer to the specific manufacturer's guidelines for the trickle charger being used and the battery's specifications. These guidelines can provide information on the charger's output current, the battery's capacity, and any recommended charging times or procedures. Following these instructions will help ensure safe and effective charging of the motorcycle battery.