The first key feature of the device is the ability to connect and disconnect an additional battery at any time, regardless of its charge level and the charge level of the internal battery. It is not necessary to align batteries voltages before connecting an additional battery.

The second key feature of the device is that the additional battery may have a higher voltage configuration, for example 12s or 15s, which significantly increases the scooter speed, up to 45 km/h.

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