Calculations

Table 1 shows calculations have been made to decide which battery capacity will be used to make the device stay on for minimum of 6 hours.

Table 1: Battery calculation’s table

Figure 1: Raspberry Pi’s power consumption

The table shows the usage per hour for the Raspberry Pi needed for it to stay on for minimum of 6 hrs will depend on the capacity of the battery. Looking at figure 1, it shows that the power consumption of the Pi with the maximum CPU load is 1280mAh, this implies that any of the above-mentioned batteries will be able to make the device on for 6 hrs.