The Tesla Megapack is a large-scale rechargeable lithium-ion battery stationary energy storage product, intended for use at battery storage power stations, manufactured by Tesla Energy, the energy subsidiary of Tesla, Inc. Launched in 2019, a Megapack can store up to 3.9 megawatt-hours (MWh) of electricity. On April 30, 2015, Tesla announced that it would sell standalone battery storage products to consumers and utilities. Tesla CEO stated that the company's battery storage products could be used to improve the reliability of. The Megapack thermal management system is located at the top of each unit. It uses coolant fluid, made of an equal-parts mixture of and water, to keep the battery at operating temperature. Each Megapack weighs approximately 51,000 pounds (23,000. CompletedIn November 2019, Tesla used a Megapack to power a mobile recharging station for Tesla electric vehicles in California. The mobile Supercharger delivered 125 kW, and was transported on a flat trailer attached to a. • Each Megapack comes with a 15-year "no defect" and "energy retention" warranty. A 10 or 20 year "performance guarantee" is available for an additional cost. Once a Megapack has reached the end of its useful life, Tesla says they can be. Grid batteries are used for such as control of frequency and phase,, etc. Peak powerMegapacks are designed for large-scale energy storage. Megapacks are used by utilities to replace Grid-scale battery standards and fire containment practices are at an early stage of development. Fire risks are one factor that has delayed the deployment of some utility energy storage systems. Battery fires cannot be extinguished with water,.