All the power source of freego uv01d pro comes from lead acid battery, and it is convenient to charge by using power Max load 130 kg Max. Mileage (after full charging) 30-35 km Max climb capability 15 degree 62cm x 47cm x 73cm paper carton, 154 units in 20' gp, 313 units in 40' gp, 354 units in 40' hc