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...
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...