Model: L1 Brand: Overpass Battery Type: Lithium Battery Color Classification: 12A lithium battery 45-50km-black 12A lithium battery 45-50km-red bare car without battery-black bare car without battery-red 12A lithium battery 45-50km -Red-Double 12A lithium battery 45-50km-Black-Double 12A lithium battery 45-50km-Black armrest 12A lithium battery 45-50km-Red armrest Maximum power: Below 500W Voltage: 48V Applicable scenarios: Daily commuting and number of people : Single person Applicable crowd: Adult Maximum speed: 15km/h (included)-20km/h (excluded) Pure electric battery life: 35km (included)-45km (excluded) Use: Other driver's license type: E Battery warranty time: One year and a half