MathCalc
Search
Battery Life Calculator
Calculate battery runtime and capacity
Calculation Type
Choose an option...
Calculate Runtime
Calculate Required Capacity
Calculate Current Draw
Battery Capacity (mAh)
Current Draw (mA)
Desired Runtime (hours)
Efficiency Factor (%)
Calculate
Clear
How to Use
Fill in the Required Values
Click "Calculate" Button
View Step-By-Step Solution
Results
Step-By-Step Solution