20" ENGINE X Folding Electric Bike 250W 48V 13Ah Fat Tyres Mountain E-bike UK
48V 13Ah Lithium Removable Battery（upper fit to 16Ah）. Battery Capacity: 13Ah. 1 x 13Ah battery. The Engwe Engine X is a high-performance folding electric bike. This bike is designed for comfort and practicality.