Does MJX Hyper Go 10210 RC car support 4S batteries? What top speed can it achieve?

Based on our tests, a fully charged 3S 5000mAh battery can deliver a top speed of 64km/h. However, the 3S battery struggles a bit when using the wheelie mode.

A fully charged 4S 7000mAh battery can reach a maximum speed of 90km/h.