The battery on the Fiido electric bikes is arguably their most essential component. None of the electrical systems will work without the battery, and you’re more or less left with a regular bike.

SAN DIEGO — A new California state law allows renters to store and charge their e-bikes and scooters indoors. Under the new state law, a tenant can be required to have liability insurance if their ...

Your next e-bike or robot vacuum might not have a lithium-ion battery. The ubiquitous batteries have problems—they’re slow to charge, wear out quickly, and sometimes lead to catastrophic fires. But ...