1)more powerful new developing motor; 2)large quantity more cheaper; 3)beautiful exterior with any colors. 4)low price Specifications:1) Max. load: 120kg2) Max. speed: 45km/h3) Running distance: <70km4) Climbing angle: 10 - 12 degrees5) Battery: a) 48V, 10AH, 12AH, 17AH, 20AH b) Sealed maintenance free lead-acid battery6) Motor: a) Brushless b) 350W, 500W 7) Charger: CE and UL approval a) AC 220V ...