The KPX-series vehicle is
powered by battery. It is also a cable-free vehicle. Only standard railways are
need, therefore the upfront investments for the KPX-series vehicles are
relatively low. The KPX-series carriage is free from distance limitation, which
offers a big convenience when design the workshop layout. The KPX-series
carriage is equipped with a set of intelligent chargers. The chargers are safe
and reliable, and none manual handling is required. However, the chargers are
supposed to be changed every 2 or 3 years based on its condition.