Electric vehicles and electric vehicle power management devices

The present invention provides an electric vehicle power management apparatus, the management module comprises a first and a second management module, coupled to the first management module and wherein the second management module, a key for the vehicle in the electric vehicle control delay on the second management module to achieve power is turned on for the POST vehicle electric vehicle controller, and a control key of the vehicle when the electric vehicle management module closes the second extension when power to the electric vehicle save data during a power failure; and a battery module, the battery module is connected to said first and said second management module management module respectively, for powering said first a management module and the second power management module. This device improves the reliability and safety of the vehicle controller. The present invention also provides an electric vehicle.