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The device, priced at $45, comes with USB, micro USB and Apple lightning connections. It uses a single 18650 cell with 3,350mAh capacity that's also found in its Model S and X electric vehicles, Engadget.com reported on Saturday.
It was designed after Tesla Design Studio's Supercharger monument and wouldn't look out of place inside one of the EV-maker's cars, Engadget.com reported.
The portable battery is currently listed as sold out on the company's website. The company has recently launched an electric semi truck and a new Roadster.