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  1. Hey, here is more information: The device will be a braille decoder to be used inside a classroom in school. It will send data via Bluetooth to a computer. Expected use is about 4 tot 8 hours a day. Voltage is not yet determined as we have not set the specs yet of the device, it will either be: 3V8 and 3V3 => power supply 40mAh or 3V6 to 4V9 and 5V continuous (for USB) => power suply 125mAh
  2. Hi, I am designing a portable device that will run on batteries. What type of batteries would you generally recommand? Capacity (battery life) is most important factor. regards
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