It has been widely disputed that electric toothbrushes are more effective than manual or regular toothbrushes. This is mainly because of the functionality of this device; the head either rotates or vibrates and some even use sonic waves to dislodge more plaque and food left-overs from a user's mouth and teeth.
As described in itself, electric toothbrushes need current in order to operate. There are two ways to make this device operational: through battery cells available in the market or through an attached electric cord to be plugged into an electric source.
In this article, the focus is mainly on electric toothbrushes that use battery cells for operation. There are numerous models and types of batteries depending on the types and makes of the electric toothbrush.
Most common batteries available in the market use the typical battery cells such as AAA or AA Alkaline, NiCd or NiMh. For purposes of exclusivity, there are other brands of electric toothbrushes that use brand-specific cells in order to make their products exclusive according to the manufacturer.
The most common brands of batteries are the Duracell Alkaline AAA, the NiMh AAA, NiMh AAA 1000, Duracell Alkaline AA, NiCd AA, NiMh AA. The less common ones are the Sanyo 3N-600AE and the Sanyo 2N-600AE batteries.
There are also two main categories of these batteries: disposable and rechargeable. Disposable cells usually max out and will render useless afterwards while rechargeable ones have remarkably longer lifespan, and when they do max out, they are recharged.
The cost of cells of course vary according to functionality, availability and manufacturer's brands.
Remarkably, there are battery-powered electric toothbrushes that use inductive charging. Most modern types of electric toothbrushes are almost always completely sealed to prevent water from getting inside the mechanism. These types of electric toothbrushes automatically comes with a charger. What happens is that the toothbrush and the base of the charger form into a partner-transformer, where electric current can flow. The charging of the battery cells therefore happens when the toothbrush is locked into the base of the charger. The user must constantly remember to charge the unit in order to be ready for use the next time around.
The choice of batteries and types of electric toothbrushes mostly depends on the lifestyle or use of the unit. If the user travels often, it is most likely that the user will choose an electric toothbrush that has disposable batteries (but the user must bring extra cells in his luggage for long trips); or if the user is not the commuting type, the choices would be that of a rechargeable cell or one with a charger.
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