The eScooter and development of the eScooter battery is really interesting. This 2 wheel vehicle might just be THE electric vehicle.
The eScooter title appears to cover the stand on electrified scooter through to the more powerful sit-on electrified Vespa.

Vinfast Theon S Battery
The original Vinfast eScooters had swappable batteries, however, after a short time these have been upgraded.
Now a fixed battery pack and a move from NMC to LFP chemistry.

Ola S1 Pro, Air and X
S1 Pro, Air and X – 2023 (two battery packs 3.98 kWh and 2.98 kWh)

Investigation of Catastrophic Battery Failures
Reports of e-bike and e-scooters catching fire and exploding while charging is prompting a rethink of safety protocols for lithium ion batteries (LIBs). One important tool for understanding these events is to carry out root cause analysis of the failure.
See also: eBike, eMotorbike, UL 2271, UL 2272, BS EN 50604-1, OLA 2-Wheeler Battery Pack Teardown