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battery life

  1. M

    Portable power pack

    OK so I'm after a bit of wisdom here, I've built a portable power pack for camping, fishing, festivals etc and am struggling to understand the ah and how many charges I should be getting out of it etc so here's a couple of questions I was hoping you guys could help with . . So its all wired up...
  2. S

    Measuring/Calcuating Battery life of a wearable device

    We are a developing a wearable device with BLE technology (BT Smart). We are not able to accurately measure battery life our device. The battery dies faster (about 30 days) than expected/calculated time of over 300 days. We can improve the performance once we have better measurement accuracy...

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