Guaranteed and subject to inspection, and completely free of any malfunctions or defects (work and rely on God). Technical Specifications: Battery: 20,000 mAh (twenty thousand amperes) - in excellent condition and strong torque. Voltage: 48 volts. Motor/Lamp Power: 20 watts. Mechanical and Electrical Condition: 100% excellent, wiring and control are completely sound and it does not suffer from anything.