TrinaBESS (Trina Battery Energy Storage Systems), previously known as Trina Best, is a company that develops, manufactures, and delivers energy storage solutions (ESS). Its product series include residential ESS (TrinaHome), portable ESS (Handy Power), utility and commercial project ESS (TrinaMega/TrinaCommerce). The company serves the utilities, solar companies, project developers, installers, and distributors for residential, commercial, and utility markets.