Plan your project’s power needs with confidence. Input your battery capacity and device current draw to estimate total runtime in hours and days, including a 70% efficiency factor to account for real-world battery discharge conditions.
Battery Life Estimator
Estimated Runtime: 0 Hours
Days: 0 Days
Optimizing Your Power Management
Understanding how long your project can operate on a single charge is crucial for field-deployed electronics and portable prototypes. This calculator takes the guesswork out of power management.
- Real-World Accuracy: Unlike simple math, our calculator includes a 70% discharge efficiency factor to account for voltage drops, internal resistance, and ambient temperature variables that affect real-world battery performance.
- Capacity vs. Consumption: By inputting your battery’s capacity in milliamp-hours (mAh) and your total circuit draw in milliamps (mA), you can determine if your power source is sufficient for your design goals.
- Applications: Perfect for sizing batteries for Arduino/ESP32 projects, LED strips, or remote sensor nodes where long-term autonomy is required.