How it Works
Division with derating.
What is Battery Life Calculator?
Capacity / Load * Efficiency.
Example
Input: 2000mAh, 500mA
Result: 2.8 Hours
FAQ
Efficiency?
Use 0.7 for real world.
Peukert's Law?
High discharge reduces capacity.
mAh vs Wh?
Wh accounts for voltage.
Temp?
Cold reduces capacity.
Aging?
Old batteries hold less.