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Charged: Sensor Battery Alerts

Charged: Sensor Battery Alerts

Works with Di2, AXS and more

3 ratings
3 reviews
💪 Health & Fitness
Free

Details

Released
July 28, 2026
Updated
November 6, 2026

Features

Developer

Brian McEntire
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About

This app automatically monitors your cycling and running sensor batteries, alerting you before they run low. It supports over 100 models from 35+ brands and integrates with popular fitness platforms.

✓Automatic battery checks after activities
✓Low battery alerts
✓Supports 100+ sensor models
✓Integrates with Garmin Connect and Intervals.icu
✓At-a-glance dashboard
✓Quick Scan for direct Bluetooth sensor reads
✓Device grouping by bike
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+4

What's New in Charged

1.4.6

November 6, 2026

This version of Charged adds support for the Concept2 PM5, the monitor on Concept2 rowing machines. FIT file uploads now show the date each battery reading comes from. Magicshine HORI 1300 Pro and Trek Ion Pro RT lights and Garmin Tactix 7, Instinct, and Fenix 9 Pro watches are also included.

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User reviews

Most RecentHighest RatedLowest Rated

Very Useful Tool

The app is super useful. I love the interface, post ride pop up on my phone, and widget which all make checking battery life so simple. Especially for shifters, I always forget how to pull up battery life on my garmin and the Etube app always disconnects. Charged solves this issue has been super helpful.
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Uuaedibar

Useful and Fun!

What a nice user experience and to be able to see all my batteries, for multiple bikes, in one place is great! Keep up the great work and looking forward to updates and additions!
GGoalazzo

Great User Interface!

I just downloaded this app and am very happy with it! The screen and menus are straightforward and the sample screen before connecting your sensors is nice to know what to expect :)
-C-2X cool

FAQ

What devices does Charged support?

Charged supports over 100 sensor models from more than 35 brands, including heart rate straps, power meters, Shimano Di2, SRAM AXS, radar, speed and cadence sensors, tail lights, bike computers, and watches.

How does Charged alert me about low batteries?

Charged automatically checks your sensor and device batteries after every ride or run. It then alerts you when they are running low, providing a heads-up before your next workout.

Can I see all my battery levels at once?

Yes, Charged features an at-a-glance dashboard where you can see the tracked battery levels for all your supported devices. You can also group devices by bike for better organization.

Does Charged help me save money on batteries?

Charged shows the real battery level on each sensor, preventing you from swapping batteries too early. This helps you replace batteries only when they actually need it, potentially saving money.

Can I manually check my sensor batteries with Charged?

Yes, Charged has a built-in Quick Scan feature that allows you to read your Bluetooth sensors directly anytime you want an instant battery level check.

What platforms is Charged available on?

Charged is available for iPhone and iPad, as indicated by its supported devices.

How often is Charged updated?

The latest version of Charged is 1.4.6, and it was last updated on November 6, 2026. This suggests a relatively active development cycle.

Does Charged have ads?

No, Charged does not contain advertisements. The app is free to use without any ad interruptions.