Pi Power Estimator

Pi Power Estimator allows you to calculate the run-time of a Raspberry Pi running from a USB power bank, set of AA/AAA batteries or a single PP3 9V battery. It has the following features: Select Model A, B, A+, B+, Pi 2, Pi 3, Pi 4 or Pi Zero. Select different capacities of USB power banks from 2200 to 20000mAh. Select different AA/AAA cell capacities and voltages.