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Battery
LiPo Small (4.2↓3v)
18650 (4.2↓2.5v)
LiPo Large (4.2↓3v)
Voltage (V)
- Nominal
Current/time (Ah)
Safe Discharge (%)
Power/time (Wh)
Wh = V * Ah * Discharge
Device
Arduino Nano
ESP32
Pi Zero 2 W
Pi 3
Pi 4
Voltage (V)
Current (A)
Power (W)
W = V * A
Output
Efficiency (%)
- of battery/converters/capacity ratings...
Battery Life
T = Wh / W * Efficiency