TecnoOrange 
One of the most common complaints about smartwatches is battery life. If you charge your watch every night and wish it lasted longer, you’re not alone. I’ve tested every possible combination and discovered that how to save smartwatch battery without losing features is easier than you’d think. The tricks I’ll share can give you extra hours of battery without sacrificing what you actually use.
Table of contents
Table of contents
Settings that drain the most battery (and how to adjust them)
Not all features drain equally. Here are the main culprits:
| Feature | Battery impact | Can it be optimized? |
|---|---|---|
| Always-on display | High (25-35%) | Yes, adjust brightness and timing |
| Active GPS | Very high (30-50%) | Only enable during exercise |
| Constant notifications | Medium (10-15%) | Yes, filter unnecessary apps |
| WiFi always on | Medium (10-15%) | Yes, use only when needed |
| Continuous SpO2 monitoring | Medium (5-10%) | Yes, reduce frequency |
| Wrist detection every second | Low (5%) | Not worth disabling |
My experience: With my Galaxy Watch, disabling the always-on display and limiting notifications to only important apps gave me nearly 8 extra hours of battery. The change went from charging every night to charging every day and a half.
Battery-saving tricks without losing important features
1. Reduce screen brightness
Auto-brightness is convenient, but sometimes keeps the screen brighter than needed. Set brightness manually to 40-50% indoors. When you go outside, auto-brightness will still work.
2. Disable always-on display at night
Instead of turning it off completely, schedule it: always-on display from 8 AM to 10 PM, off the rest of the day. That way you enjoy it when you need it and save at night.
3. Select notifications that matter
- Go to the watch app on your phone.
- Disable notifications from social media, games, and apps you don’t need on your wrist.
- Keep only: messages, calls, email, calendar, and health apps.
4. Use GPS only during exercise
GPS is the biggest battery hog. Don’t leave it active all day. Enable it only when you go for a run or bike ride.
5. Reduce SpO2 and temperature measurement frequency
- Continuous SpO2: Disable it. Measure manually when you want.
- Continuous temperature: Only useful if you’re sick or tracking fertility. The rest of the time, disable it.
6. Enable power saving mode at specific times
Most smartwatches have a “watch only” or “saving” mode that disables everything except the time. Use it during meetings, movies, or when you know you won’t need the watch for a while.
Brand-specific tricks
Apple Watch
- Disable “Raise to Wake”: Prevents the screen from lighting up every time you move your wrist.
- Reduce animations: Settings > Accessibility > Motion > Reduce Motion.
- Low Power Mode: Enable it when battery drops below 20%. It doubles remaining battery.
Samsung Galaxy Watch
- Display: disable always-on at night.
- WiFi: set to “Only when phone isn’t nearby.”
- Auto exercise detection: disable if you don’t use it. It drains battery constantly searching for patterns.
Google Pixel Watch
- Bedtime mode: Automatically enable nighttime power saving.
- Tilt to wake: Disable it and use tap to wake instead.
- Location: Change to “Battery saving” instead of “High accuracy.”
How much battery can you gain?
With the above adjustments properly applied:
| Smartwatch | Original battery | Optimized battery | Gain |
|---|---|---|---|
| Apple Watch Series 11 | ~24 h | ~32-36 h | +8-12 h |
| Samsung Galaxy Watch 7 | ~40 h | ~50-55 h | +10-15 h |
| Galaxy Watch 7 Ultra | ~65 h | ~75-80 h | +10-15 h |
| Google Pixel Watch 3 | ~24 h | ~30-34 h | +6-10 h |
FAQ
Does disabling always-on display affect health features?
No. All health sensors (heart rate, sleep, steps) continue working the same. It only affects display while idle.
Does power saving mode affect fall detection?
On Apple Watch, low power mode keeps fall detection active. On Samsung, it depends on the model. Check your settings to make sure.
Does charging overnight damage the battery?
Modern smartwatches have overcharge protection. They won’t be damaged by leaving them charging all night. But if you want to maximize battery lifespan, charge between 20% and 80%.
Which smartwatch lasts longest without optimization?
In 2026, Samsung Galaxy Watch 7 Ultra and Garmin Venu 4 last the longest: 60-80 hours without optimization. Apple Watch Ultra 3 reaches 72 hours under ideal conditions.
Conclusion
How to save smartwatch battery without losing features comes down to adjusting what you don’t need always active: always-on display, continuous GPS, notifications from irrelevant apps, and continuous measurements you don’t use. With 15 minutes of configuration, you can gain between 6 and 15 extra hours of battery. It’s worth it.