An electric personal mobility device , comprising: a main body including a rider-support-platform structure and a steering column coupled to the rider-support-platform structure ; and a wheel arrangement supporting the main body , the wheel arrangement having at least one front wheel and at least one rear wheel , wherein the at least one front wheel is configured to be steerable by the steering column , wherein the rider-support-platform structure comprises an elongate hollow housing structure enclosing an internal space partitioned to define a first and second longitudinal-internal-battery-compartments , each longitudinal-internal-battery-compartment extending lengthwise along respective longitudinal side of the elongate hollow housing and having a respective rear opening at an aft portion of the elongate hollow housing structure , a rear-wheel-fork fixedly extending longitudinally from the aft portion of the elongate hollow housing structure between the rear openings of the first and second longitudinal-internal-battery-compartments , the rear-wheel-fork holding the at least one rear wheel , characterised in that the rider-support-platform further comprises a single-rear-cover openable and closeable relative the rear openings of the first and second longitudinal-internal-battery-compartments , the single-rear-cover comprising a first and second closure portions corresponding to the respective rear openings of the first and second longitudinal-internal-battery-compartments so as to simultaneously engage with the respective rear openings to conceal the respective rear openings when the single-rear-cover is closed and to simultaneously disengage from the respective rear openings to expose the respective rear openings when the single-rear-cover is opened. a main body including a rider-support-platform structure and a steering column coupled to the rider-support-platform structure ; and a wheel arrangement supporting the main body , the wheel arrangement having at least one front wheel and at least one rear wheel , wherein the at least one front wheel is configured to be steerable by the steering column , an elongate hollow housing structure enclosing an internal space partitioned to define a first and second longitudinal-internal-battery-compartments , each longitudinal-internal-battery-compartment extending lengthwise along respective longitudinal side of the elongate hollow housing and having a respective rear opening at an aft portion of the elongate hollow housing structure , a rear-wheel-fork fixedly extending longitudinally from the aft portion of the elongate hollow housing structure between the rear openings of the first and second longitudinal-internal-battery-compartments , the rear-wheel-fork holding the at least one rear wheel , characterised in that the rider-support-platform further comprises a single-rear-cover openable and closeable relative the rear openings of the first and second longitudinal-internal-battery-compartments , the single-rear-cover comprising a first and second closure portions corresponding to the respective rear openings of the first and second longitudinal-internal-battery-compartments so as to simultaneously engage with the respective rear openings to conceal the respective rear openings when the single-rear-cover is closed and to simultaneously disengage from the respective rear openings to expose the respective rear openings when the single-rear-cover is opened. <EOS>