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Dynavox Maestro, Vmax/Vmax+/M3Max Battery Replacements
One battery ships with each Maestro device and attaches to the back of the device. Replacement or extra internal batteries can be charged outside of the device with an external battery charger accessory.
The Slim Battery is for those who desire a lighter device (DV200652)
The Extended Battery is for those who desire a longer battery life (DV200653).
An internal battery ships with each device, and can be easily replaced by the customer. Replacement or extra internal batteries can be charged outside of the device withan external battery charger accessory.