Battery Lead-acid battery, 20Ah48V Dimension: 1860*650*1120 Input voltage of battery: AC110-220V / 50-60Hz Motor power: 500W Brushless、Perpetual magnetism Recharge time: ≥500 times Charging period: 8-12 hours Low voltage protect value: 42±0.5V Over current protect value: 24±1A Max Speed: 35Km/h Range : 75-100Km Brake F/R drum brake Type of Tire: 16*3.0 Wheel Base: 1200 Net Weight: 80Kg Max Load: 75Kg Material of Frame: Full steel Packing Size 1780*480*1050 container: 31PCS/20? 64PCS/40? 75PCS/40?Q