Discover the world’s biggest battery and explore how inventors are creating other giant batteries to help power the world— sustainably.

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As of 2020, the world’s biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery? Explore how inventors are rethinking what a battery can be, and how these surprising solutions could help us achieve a sustainable future.

Directed by Lisa LaBracio.
Animation and art direction by Luísa M H Copetti & Hype CG.

In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero

Check out the videos in this series: http://bit.ly/TEDEdClimate

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View full lesson: https://ed.ted.com/lessons/how-powerful-is-the-world-s-biggest-battery
Dig deeper with additional resources: https://ed.ted.com/lessons/how-powerful-is-the-world-s-biggest-battery#digdeeper

Animator's website: https://www.hype.cg/
Music: https://soundcloud.com/aim-music