“Why do the specifications on the best buy website say Nickel Cadmium, when if you look at the bottom of the brush in the charging hole it says "Li-Ion". The bottom of the box also says 0% Nickel Cadmium? Which is correct?”

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• The battery is Lithium-Ion. The charge lasts about 2 weeks on a single charge.

  Answered by Kotor 5 years ago

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• Looks to be li-ion, battery life is fair. About a weeks charge brushing for three minutes three times a day. Charger is technically not making contact so its a wireless style charger (no metallic contact points to corrode) with a nipple for the brush to rest in. Overall works great and reliable

  Answered by Rushnrun 5 years ago

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