18650 Lithium-Ion Battery vs. Ni-MH AA Battery: How to Choose the Best Power Source for Your Electric Fan?
Electric fans are widely used as portable devices in homes, offices, and outdoor activities. However, the performance and user experience of these fans largely depend on the type of battery used. The 18650 lithium-ion battery and the Ni-MH AA battery are two common options, but they differ significantly in terms of battery life, voltage, cost, […]