Around 50–55 km/h, suitable for city commuting.
Typically a 1500W hub motor, giving decent pickup for daily rides.
About 60–80 km (depends on load, road, battery condition).
Around 6–8 hours for full charge.
Usually lead-acid, though some variants may offer lithium.
Lead-acid: 1–2 years Lithium: 3–5 years