Battery lights do not require power supply, so you can place them freely in the desired location. The light is powered by either a replaceable battery or a rechargeable battery built into the light. There is always integrated an on/off switch in the light, bringing not only comfort but also extends the life of the battery’s life.
The rechargeable lights are easy to recharge in the same way as charging a phone. The light itself is fastened to the desired location with the help of a magnet, making it easy to detach and recharge it using the USB connector.