Tool library
Battery Tools
Estimate usable energy, runtime, capacity, and charging time.
Available battery tools
hours
Battery Runtime Calculator
Estimate usable battery runtime from capacity, load, and efficiency.
Open calculator →Ah
Battery Capacity Calculator
Estimate nominal battery capacity needed for a target runtime.
Open calculator →Wh
Ah to Wh Calculator
Convert amp-hours into stored watt-hours.
Open calculator →Ah
Wh to Ah Calculator
Convert watt-hours into amp-hours at a selected voltage.
Open calculator →hours
Battery Charging Time Calculator
Estimate charging time with charging efficiency and charger power.
Open calculator →