It's impossible to say how much a real hoverboard, like the one seen in Back to the Future II, costs because none are currently commercially available. On the other hand, the prices for scooters calling themselves hoverboards can start from as little as $300.
The Self-Balancing Scooter that ranks first of all self balancing scooters is the CoolReall Self Balancing Scooter. This scooter has a thicker, more durable design, and the anti-slip foot grips make it easier for people of all ages to keep their balance riding this bluetooth hoverboard scooter. The highest speed is a safe 7.5 miles per hour and fifteen degrees climbing incline. The engine reaches a maximum output of 500W while remaining quiet and energy efficient. The scooter weighs approximately twenty nine pounds and can carried around easily.
A word of caution though: My Color Smart by Hovertech is included in the list of self balancing scooters that have been known to combust. Many speculate that this may be because the Samsung battery installed in the board is actually a fake. As such, it is important to do your research before making a purchase to ensure that you are buying from a seller that is accredited by Hovertech. In addition, be vigilant when charging your hoverboard. Never leave it plugged in to charge overnight and keep a close watch on the temperature of your board while it is charging. If you feel it heating up, unplug it immediately.
With the samsung lithium 36V/4.4Ah batteries and with equilibrium inflation protection board, The battery will fully charge in approximately 90min, and is capable to glide you around for 10-15 miles before it needs to be recharged (depending on the weight of rider). Max load is 220lbs.
The board is formed of two pieces with a wheel on each side, connected by a hinge in the center, allowing them to rotate independently of each other. With this in mind, the user only has to step onto the pressure-sensitive pads and lean forward to go forward and back to go backwards, and if they want to change direction, all they need to do is push hoverboards one foot further forward than the other. Pushing the left foot forward will cause the left wheel to go faster and turn the board to the right, and vice versa. Though it may sound confusing when explained, it only took us a few minutes to get used to the system and it provided us with a great level of control over our positioning and movement.