This will depend on what your local electricity supplier charges. With this in mind, most employers will not mind if you charge your battery at work

Depending on where you live, speed e-bikes (those that can reach 28 mph/45 km/h) may require licensing or registration. The rules are changing quickly, so it’s best to check with local authorities for clarification, or check out People for Bikes’ state-by-state guides

In general, maximum assist speeds range from 16 mph (25 km/h) to 28 mph (45 km/h). You can find an e-bike’s top speed by looking at its specifications. Additionally, speed regulations vary from place to place. Contact local authorities for clarification.