This is a smart charger. It's suitable for 52 - volt batteries. It comes with an AU plug and an ST3 connector. With a maximum charging output of 58.8V, it's only suitable for 52 - volt lithium batteries. The charger has a sleek black case and a charge light to indicate the state of charge. Its charging current is 4A.

Using this charger is easy. First, make sure the battery you're charging is a 52 - volt lithium battery. Connect the charger to the battery using the ST3 connector. Then plug the AU plug into a power outlet. The charge light will show you the charging state. When it's fully charged, unplug the charger from the power outlet and then disconnect it from the battery. Always keep the charger in a dry and cool place. Don't expose it to water or extreme heat. If there's any damage to the charger, stop using it immediately.