Tesla is building a new battery factory in Shanghai. On Sunday, the automaker announced it would start construction on a new Megapack facility later this year. Once the plant is complete sometime before the second half of 2024, it will be capable of producing 10,000 Megapacks annually. Each container-sized battery can store enough energy to power about 3,600 homes for one hour. Tesla told Bloomberg it plans to sell the Megapacks it makes in China globally. The company has built Megapack installations in a few locations around the world, including Texas and South Australia.Tesla opening Megapack factory in Shanghai to supplement output of Megapack factory in California https://t.co/hDpqoyNeOx— Elon Musk (@elonmusk) April 9, 2023Sunday’s announcement sees Tesla increasing its reliance on China at a time when the US is using economic policy to push automakers and other manufacturers to produce more of their products domestically. At the end of last month, the Treasury Department issued updated guidan