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EDIT: worked figures. If you've settled on 16 cells, let's work some numbers. Using a realistic figure for an 18650 cell (3400mAh) we get 219Wh for a 16-cell pack. which works out to 43.8 Ah @ 5V for the pack Weight for the batteries alone: 720g (45g/cell) 16 cells is double the size of a large laptop battery. At 5V @ 2A this battery will take about 20-30 ...


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To prevent condensation the components in the cabinet should be above the dew point. There are two ways to do that: Reduce the relative humidity, for example with silica gel. Increase the temperature, with a heater. When cold the chemistry in the battery slows down. Which increases the internal resistance of the battery, reducing it's effective ...


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