The Fitbit Alta is a fitness tracker that uses a rechargeable battery. The battery life of the Fitbit Alta can vary depending on factors such as usage, settings, and age of the device. Here are some general details about the Fitbit Alta's battery:

Battery Life: The Fitbit Alta's battery life is typically around 5 to 7 days on a single charge, but this can vary based on usage patterns. If you use features like continuous heart rate fitbit alta battery monitoring or frequently receive smartphone notifications on your Alta, it may reduce the battery life.

Charging Time: When the battery is depleted, you can charge the Fitbit Alta using the included charging cable. It usually takes about 1 to 2 hours to fully charge the device.

Battery Health: Over time, the battery's capacity may decrease due to normal wear, and you may notice a gradual reduction in battery life as the device ages. If you find that the battery life has significantly decreased and the device is still under warranty, you can contact Fitbit support for assistance.

Battery Saving Tips: To extend the battery life of your Fitbit Alta, you can try the following tips: