specifications of the Forte ER34615 battery:

- Chemistry: Lithium-thionyl chloride (Li-SOCl2)
- Nominal Voltage: 3.6V
- Capacity: Typically around 19,000 mAh (milliampere-hours)

Remaining charge percentage = (Current capacity / Maximum capacity) * 100

Assume the load of your choice

the typical maximum capacity for the Forte ER34615 battery is around 19,000 mAh (milliampere-hours).

I am not sure I am using correct formula and i don't understand how can we get current capacity.