Event will be held at Toyota 's California Studio on April 30 at 8pm PT . Battery is likely to build on the packs used in Toyota ’ s electric cars . While similar products already exist , Elon Musk has said they 'suck ' Tesla already uses a fuel cell in its Mirai car that can power a home .
Event will be held at Tesla 's California Studio on April 30 at 8pm PT . Battery is likely to build on the packs used in Tesla ’ s electric cars . While similar products already exist , Elon Musk has said they 'suck ' Toyota already uses a fuel cell in its Mirai car that can power a home .