"The price is impossibly low because the critical specs are impossibly optimistic."
The "1500W Peak" motor is marketing; the bike's sustained power is 750W, which is potent but will drain the small 10.4Ah battery rapidly when used at its 25 MPH top speed.
This is for someone whose budget ceiling is absolute and who needs basic motorized assistance for short, flat trips under 10-15 miles. Treat it as a disposable appliance where the low price justifies the risk of premature failure. It's an alternative to a basic pedal bike, not a competitor to $800+ e-bikes.
Anyone relying on this for a daily commute, expecting to achieve the advertised range, or planning to ride on actual trails should look elsewhere. The build quality cannot reliably handle the stress of a 750W motor over time, and the range claim is physically impossible.