What are the best flameless candles? Read this guide for more information about the different features and functions of flameless candles, along with our top picks. Flameless candle FAQHow often do I have to replace the batteries in my flameless candle? Yes, flameless candles are a much safer alternative to regular candles. Unlike actual candles, flameless candles can be handled and easily transported from room to room without running the risk of burning your hands or fingers.