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High Energy Density: This means that in the same volume or space, lead-acid batteries can store more energy. This allows the motorcycle to have a longer range without increasing the size of the battery. Low Self-Discharge Rate: Lead-acid batteries have a low self-discharge rate, which means that they lose less energy when not in use. This helps maintain the battery's state of charge and extend the battery's life. Lead-free, heavy metal-free, toxic element-free: Modern lead-acid battery designs are increasingly environmentally friendly, reducing environmental pollution by using lead-free and heavy metal-free materials. In addition, the absence of toxic elements means that the battery has less impact on human health and the environment during production, use and recycling.