USB charger. Please check all the pictures for confirming your original battery. This USB charger specifically for this model. If you have different models which has black connection, this charging cable will NOT work for your battery. If you have black connection, please purchase the right charging cable from the link below: s://./dp/B09RMQ11CB Mario Kart has multiple models with same name. If you don't know which one you need, please don't hesitate to contac