This 52 - Volt battery charger is a great choice for 52V batteries. It comes with an AU plug and a DC2.1 5.5 plug. Outputting at 58V, it's perfectly suitable for 52 - volt batteries. It has a sleek black color and a 2A charging current, ensuring efficient charging.

Using this battery charger is easy. First, make sure your battery is a 52V one. Plug the charger into a power outlet using the AU plug. Then, connect the 5.5mm plug to your battery. Keep an eye on the charging process. Don't leave it unattended for long periods. For maintenance, keep it in a dry and cool place. Avoid exposing it to water or extreme temperatures. If you notice any problems, stop using it immediately and consult a professional.