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Battery-free toothbrush is powered with a twist

Brush your teeth properly without the need to plug in or toss batteries.
Jon Fingas, @jonfingas
October 31, 2017
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Goodwell Co.

Battery-powered toothbrushes are convenient if you don't like brushing your teeth the old-fashioned way, but they have a catch: batteries. Typically, you either need to dock your brush (and remember to carry a charger with you on long trips) or toss disposables when they're done. There might be a better way soon, though: Goodwell Co. is crowdfunding Be, which it bills as the first battery-free powered toothbrush. Twist the base twice and a kinetic energy storage mechanism will vibrate the brush head for up to 2 minutes, or just long enough for that dentist-recommended cleaning. You don't have to connect to a charger, and you won't contribute to landfills by chucking out batteries (the bristles are even biodegradable).

As you might surmise, there's a catch: the brushes aren't cheap. Early backers can get a starter kit for $49 (a brush, three head refills and a travel case), but there were only a few dozen left as of this writing -- and there weren't many more for the $89 cleaning kit or $96 two-pack, either. And you'll have to wait until December 2018 even if you do get a pledge in. If Goodwell pulls this off, though, it'll be no small feat -- you'll have a powered brush you can take on vacation knowing that it won't conk out in mid-scrub.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
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