Yes, electric bikes can be charged using solar power and external solar chargers. These chargers typically consist of solar panels and a battery storage system. The solar panels capture sunlight and convert it into electrical energy, which is then stored in the battery. You can connect your electric bike to this battery to charge it. This method is eco-friendly and cost-effective, allowing you to harness renewable energy for your bike. Ensure the solar charger is compatible with your bike's battery specifications.