Electric balance bike

An electric balance bike comprising:

• a bike frame comprising a seat an intermediate position thereof, a head tube at a front end thereof, and a rear fork at a rear end thereof;
• a front fork connected to a lower end of the head tube;
• a handlebar connected to the head tube, the handlebar configured to control rotation of the front fork;
• a front wheel connected to the front fork;
• a rear wheel connected to the rear fork;
• an actuating assembly arranged between the bike frame and the rear wheel, the actuating assembly comprising an actuator located below an intermediate section of the bike frame, a driving member located at an axle of the rear wheel, and a driving belt that is wrapped around the actuator and the driving member;
• a battery detachably connected to the actuating assembly;
• and
• a power abnormality response system comprising a determination component, detection components, and a warning component, the determination component being respectively connected to the detection components and the warning component, the detection components respectively detecting running statuses of the actuator and the battery and outputting detection values, the determination component receiving the detection values and determining whether the detection values are abnormal or not to output different control signals to drive the warning component to respectively send out different warning signals.