Brushless Motor 48V * 15Ah Battery Brushless motor with a 15Ah lithium-ion battery. The powerful motor easily climbs hills. The motor has a speed limiter. The 48V * 15Ah lithium-ion battery supports approximately 900 charge cycles. A full charge takes 5 to 7 hours. 3 Operating Modes Pure Electric Mode: Rotate the throttle to gradually increase power. In this mode, the range is 50 km. Assist Mode: The motor provides moderate power to assist your pedaling. In this mode, a single charge provides 80-100 km of range. Manual Mode: Pedal like a regular bicycle. Fat Tire Bike The 26 x 4.0-inch fat tires increase traction, making riding more stable on various road conditions such as snow, asphalt, sand, and mountain biking. The high-quality front fork suspension system provides a comfortable riding experience. The 7-speed drivetrain and disc brakes ensure a comfortable and safe journey. Gifts Charger, air pump, tools, light, luggage rack (some accessories are already installed on the e-bike). LCD Display An easy-to-read LCD display shows battery level, mileage, speed, assist level, fault codes, and other information. Warranty Terms Frame warranty: 3 years. Motor warranty: 365 days. Battery warranty: 180 days.