Different cordless automatic hair curlers offer different features and benefits, so it’s difficult to say which is the absolute best, as it will depend on individual preferences and needs. However, here are a few top-rated options to consider:Chi Lava Spin N Curl: This curler uses ceramic and volcanic materials to create curls and waves. It has an automatic shut-off function and a rechargeable battery that lasts up to an hour.Conair Unbound Auto Curler: This curler heats up quickly and has multiple heat settings to customize curling. Additionally, it has a safety sensor that stops the curler if it comes into contact with hair.BaBylissPRO Nano Titanium Curl Machine: This curler can create a range of curl sizes and styles and has an adjustable heat setting. Additionally, it has an automatic shut-off function and a safety feature that stops the curler if it senses tangles or knots in the hair.REVLON Salon Ceramic Cordless Hair Curler: This curler has a ceramic coating to reduce heat damage and a rechargeable battery that lasts up to an hour. It also has multiple heat settings and a safety feature that stops the curler if it senses tangles or knots in the hair.Ultimately, the best cordless automatic hair curler for you will depend on your individual needs, preferences, and hair type. It’s a good idea to read reviews and do research to find the right option for you.