Fusion is a household distributed energy storage system that aims to provide users with more sufficient and stable electric energy storage. The modular system can be configured based on current requirements. The advanced high-voltage parallel connection technology supports mixed use of old and new batteries. IP66, the product applies to various indoor and outdoor environments. It can be installed on the floor or easily mounted on a wall. It has a waterfall-like smooth and thin appearance, which ensures a good fit in the home environment.