How should the battery of MN MODEL MN90 D90 RC CAR be installed and charged when it is used for the first time?

Answer: First, make sure to use batteries that are compatible with MN90 RC CAR, and install the batteries correctly according to the instructions, paying attention to the correspondence of positive and negative poles. When charging for the first time, it is recommended to use the original charger and use it after it is fully charged to ensure battery performance.