Smartwatch Battery Degradation Calculator

Estimate battery health and runtime for popular smartwatches based on usage patterns and charging habits.

Predict how your smartwatch battery will degrade over time. Select your model and input your daily usage to see health projections and runtime estimates.

Key Features

Support for Garmin, Fitbit and Samsung models
Daily runtime and low-power estimates
Three-year health projections
Impact of temperature and charging habits

Model

Usage & Age

Device Age (years)

Charge Cycles

Active Hours / Day

Workout Hours / Day

Always-On Display

Cellular Enabled

Environment

Typical Temperature

Charging Habits

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