The Rome Lithium battery has a much longer life (up to 1000 charges). The battery is removable and much lighter than the lead acid version and the battery chargers between 4-6 hours instead of 6-8 hours. Quiet elegance is what you will exude when riding this upscale electric bicycle. With its elegant design and velvety smooth ride, the Rome Lithium is one of the most desirable e-bikes on the market. Be good to yourself and the environment; with pennies per charge and zero emissions you can look and feel like a million. Designed to fit its name, the Rome has a body which is reminiscent of classic designed scooters while upholding the elegant feel of the future. This bike also comes with upgrades such as speedometer and odometer, dual hydraulic disc brakes, LED lights for better visibility at night, 48V20AH battery pack, 3 speed modes to increase range, single and dual kickstand, carrier case, loading capacity of 330lbs, powerful and inexpensive to charge. Fully loaded with a deluxe tool kit with pump and repair kit, rain poncho to cover the rider and the bike when it rains, ebike plate, bottle with bottle holder and cell phone holder!