With its own integrated battery, the case packs nearly another full charge. (samsung.com)
The Revolta UFO is powered by a 3 kW high - torque rear hub motor which runs on lithium - ion battery that comes with integrated battery management system while the battery can also be detached from the EV for charging and it has a 220V on - board charger. (motorbeam.com)
Weighing in at 49 pounds, the aluminum - framed Flash integrates the battery pack into the bike's frame, so it isn't removable for charging, which may be an issue if you can't run a cord to the bike or bring the whole thing inside to charge it. (treehugger.com)