36V 13Ah battery has 30-40 miles of range
36V 16Ah battery has 38-45 miles of range
36V 18Ah battery has 42-50 miles of range
48V 13Ah battery has 40-50 miles of range
48V 16Ah battery has 50-60 miles of range
48V 19.2Ah battery has 60-70 miles of range
48V 21Ah battery has 65-75 miles of range
All figures are in pure electric mode, the actual mileage will be farther if there is pedal assist.
LG cells are better in product quality and stability, so the price is more expensive.