Your Gear, Ready When You Are
Get alerts when sensors need a charge or a new battery.
Check Bluetooth sensor batteries anytime with Quick Scan.
Try it with your devices, no login needed.
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Sensor Batteries
Where do your workouts sync?
Once connected, Charged will check sensor batteries after every activity and warn you when one runs low.
You're connected.
Paired sensor batteries will show up automatically once your next activity syncs. We'll notify you if they run low.
Get a head start
Upload a FIT file from any recorded activity.
Want to check a sensor before heading out? Quick Scan reads battery levels from nearby Bluetooth sensors.
Bluetooth scanning is turned off in Brave by default. In Brave, go to brave://flags, enable Web Bluetooth API, then relaunch Brave.
This browser can't scan Bluetooth sensors. Open charged.bscotttech.com in Chrome to check sensor batteries.
Activities synced, but no sensor batteries recorded.
This one's on the devices, not you.
Here's what you'll see (example)
Here's what you'll see. Sample devices below
Insights derived in part from Garmin device-sourced data
Other ways to start
Upload a FIT file from any recorded activity.
Want to check a sensor before heading out? Quick Scan reads battery levels from nearby Bluetooth sensors.
Bluetooth scanning is turned off in Brave by default. In Brave, go to brave://flags, enable Web Bluetooth API, then relaunch Brave.
This browser can't scan Bluetooth sensors. Open charged.bscotttech.com in Chrome to check sensor batteries.
Want to check a sensor before heading out? Quick Scan reads battery levels from nearby Bluetooth sensors.
Bluetooth scanning is turned off in Brave by default. In Brave, go to brave://flags, enable Web Bluetooth API, then relaunch Brave.
This browser can't scan Bluetooth sensors. Open charged.bscotttech.com in Chrome to check sensor batteries.
Got an activity with different gear? Give that a try.
What happened?
What you get
- Low-battery alerts Get notified early, so your sensors never fail
- Always automatic Sensor details update after every activity
- Pre-workout checks Scan sensors over Bluetooth on demand
Set up in under a minute.
Timeline for Status-Only Devices
This chart was created using data provided by Garmin.
Deleted cards
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No deleted cards.
Reading the chart
Click a legend chip to show only that device. Shift-click (or touch-and-hold on mobile) to hide or show one at a time.
Hover or tap the chart to see every device's level at that point in time.
- •Dimmed lines show a device's history before latest charge or battery swap
- •Hollow dots are predicted levels
- •Red dots mark when a sensor reported “low”
Tell a friend
Chances are you know someone who would enjoy Charged. Invite them to try it out.
Click the Tell a friend button in the toolbar anytime to reopen this.
Delete this card?
Merge devices
Couldn't load your devices.
Select devices to merge with this one. Similar device types shown.
Hidden devices are included in this list.
No matching devices to merge with.
Confirm merge
These devices will combine into one card.
Choose the name to keep
Pick which name to display.
Unmerge
Picked devices split back out as separate cards. Each one keeps its previous name and hide state.
Processing Log
| Activity | Device | Status | Time |
|---|---|---|---|
Settings
Notifications
Notifications are blocked for Charged. Open your phone's Android Settings → Apps → Charged → Notifications, turn them on, then restart your phone and turn this back on. Notifications are blocked for this site. Allow them in your browser's site settings, then turn this back on.
Activity Sources
Disconnect to stop syncing new activities. Existing battery data stays. Reconnect any time.
You may also .
Delete your account?
This will permanently remove:
Try again once your connection is restored.
Quick Scan
Many sensors sleep to save battery. Put on your heart rate strap or spin power meter pedals to wake them up, then tap Scan.
Bluetooth scanning is blocked. Check that Bluetooth is on in Android settings. Brave also turns Web Bluetooth off by default: in Brave, go to brave://flags, enable Web Bluetooth API, then relaunch Brave.
Bluetooth appears to be off or unavailable. Turn on Bluetooth in your device settings, then try again.
No sensors found.
Make sure your sensor is awake. For example, tap shifting levers, spin cranks, or wear your heart rate strap.
Same Physical Device?
You just scanned:
Already on your dashboard:
You can always merge these later from either device's detail view.
Choose the name to keep
Pick which name to display.
Upload FIT File
Drag & drop up to .fit files here
or
Help & FAQ
Component Batteries
Shake bike and tap shifters, then Quick Scan near the rear derailleur to see every component's battery.
Pedal Batteries
Only the left pedal's battery is recorded during rides. Spin the cranks to wake the pedals, tap , and save both pedals to see both here.
Only the left pedal's battery is recorded during rides.
To see both here:
- Spin the cranks to wake the pedals, then tap .
- Save both pedals.
- When Charged asks if the right pedal is the same device, tap Merge.
Merges persist. If Charged doesn't ask, tap Merge on this card's detail page.
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