The product is a genuine LG CordZero A9 rechargeable lithium-ion battery specifically designed for models A927 A929. It is a replacement part compatible with LG vacuum cleaners, offering a reliable power source for efficient cleaning performance. The battery set includes a single unit, making it a convenient and essential component for maintaining the functionality of your LG vacuum cleaner. Made by the trusted brand LG, this battery ensures a high-quality and long-lasting power source for your cleaning needs.