BLE Power Estimator

Estimate battery life for your BLE device. Select a chip, configure advertising and connection parameters, and see real-time power consumption and battery life estimates.

Device Configuration

Advertising Parameters

20 ms (fast) 10.24 s (slow)
-20 dBm +8 dBm
6 B (min) 255 B (extended)

Connection Parameters

7.5 ms 4 s
0 (none) 499 (max)

Battery Life

Power Breakdown

Advertising
Sleep / Idle
Total Average

Frequently Asked Questions

Yes, all BLEFYI tools are free and run entirely in your browser. No data is sent to any server.