2 h vs 4.4 h avg
17 lbs vs 31 lbs avg
0.55 mph/lb vs 0.49 mph/lb avg
7 mi vs 24 mi avg
115Wh vs 350Wh avg
3 features vs 6 features avg
350W vs 640W avg
Compared with 5 similarly priced models ($180–$718), from manufacturer specs.
Where it stands among 5 similarly priced e-unicycles ($180–$718), from manufacturer specs. 50% is mid-pack.
Each spoke shows where this vehicle ranks among similarly priced e-unicycles: 73% means it beats 73% of them in that area. Rankings come from spec scores computed on fixed scales from manufacturer numbers (the small "spec" value, out of 100), so a high percentage means strong for the money, not perfect. The gray ring and ticks mark mid-pack.
The KingSong S9 is an electric unicycle listed at $449. Manufacturer specs put it at 350W of rated motor power, a 115Wh battery, a claimed 7 mile range, and a 9 mph top speed, at 17 lbs.
Next to the 5 other electric unicycles in its price band ($180–$718), its strongest numbers are charge time (2 h vs 4.4 h avg), weight (17 lbs vs 31 lbs avg), and speed for its weight (0.55 mph/lb vs 0.49 mph/lb avg). The tradeoffs are claimed range (7 mi vs 24 mi avg) and battery capacity (115Wh vs 350Wh avg).
KingSong S9
Compare KingSong S9 to other vehicles
Pick a challenger and see every spec side by side.
KingSong S9vs
Best Of
Fastest Electric Unicycles in 2026: Top Speed Models Compared
The fastest electric unicycles in 2026 reach speeds from 43 to 93 mph, led by the InMotion P6 and KingSong F22 Pro for extreme performance riders.

Best Of
Best Electric Unicycles for Commuting in 2026
The best electric unicycles for commuting balance range, portability, and speed. We break down top picks from budget friendly to long distance workhorses.

Best Of
Best Budget Electric Unicycles in 2026: Top Affordable EUCs Under $1,000
The best budget electric unicycles start around $450 for entry-level models like the InMotion V6, with solid mid-range options under $900 offering speeds up to 28 mph and 37-mile range.