WatchFitTool

OnePlus watch battery life: 7 models ranked

The OnePlus Watch lasts longest of the 7 OnePlus watches in our data, at 14 days. The typical OnePlus is quoted at 5 days, against 10 days for the typical smartwatch released since 2022.

Every OnePlus watch ranked by battery life

Showing 7 of 7 OnePlus models with published battery figures.

OnePlus watches ranked by manufacturer-quoted battery life
#
Model
Everyday use
GPS tracking
Power save
Capacity
OverallLinks
1stWatchWatchWatch · 2021
14days
25hours
N/A402 mAh184th
2ndWatch LiteWatch LiteWatch · 2025
10days
N/AN/A339 mAh348th
3rdNord WatchNord WatchNord · 2022
10days
N/AN/A230 mAh363rd
4thWatch 3Watch 3Watch · 2025
5days
N/AN/A631 mAh589th
5thWatch 2Watch 2Watch · 2024
4.1days
48hours
12days
500 mAh638th
6thWatch 2RWatch 2RWatch · 2024
4.1days
48hours
12days
500 mAh639th
7thWatch 3 43mmWatch 3 43mmWatch · 2025
2.5days
N/A
7days
354 mAh701st

Sorted by everyday battery; sort any column. Figures are the makers' own claims as held in our data, each measured under its own usage profile, not our tests. “Overall” is each model's place among all 895 rated smartwatches.

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Best OnePlus picks for battery

OnePlus battery life, ranked

The extremes of the range on each figure we hold for OnePlus. Every number below is the manufacturer's own rating, not a measured result.

Longest-lasting OnePlus watches

Most days per charge in everyday use

  1. 1Watch
    Watch14 days
  2. 2Watch Lite
    Watch Lite10 days
  3. 3Nord Watch
    Nord Watch10 days
  4. 4Watch 3
    Watch 35 days
  5. 5Watch 2
    Watch 24.1 days

Best OnePlus watches for GPS endurance

Most hours of continuous tracking

  1. 1Watch 2
    Watch 248 hours
  2. 2Watch 2R
    Watch 2R48 hours
  3. 3Watch
    Watch25 hours

Longest OnePlus watches in power-save mode

How far a charge stretches with features stripped back

  1. 1Watch 2
    Watch 212 days
  2. 2Watch 2R
    Watch 2R12 days
  3. 3Watch 3 43mm

Fastest-charging OnePlus watches

Least time from flat to full

  1. 1Watch
    Watch36 min
  2. 2Watch Lite
  3. 3Watch 3
    Watch 31 hour
  4. 4Watch 2
    Watch 21 hour
  5. 5Watch 2R
    Watch 2R1 hour

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OnePlus battery in numbers

Longest
14d
Watch
Typical OnePlus, all years
5d
Typical smartwatch since 2022: 10d
7 days or more
43%
3 of 7 models
Case sizes
37–47 mm
7 of 7 with a width in our data
Newest in our data
2025
Watch 3 43mm 2.5d · Watch 3 5d
Longest with GPS
2d
Watch 2R
Best overall
184th
Of 895 rated smartwatches, all years

See OnePlus in the full ranking.

What the numbers show

The typical OnePlus watch in our data is quoted at 5 days, shorter than the 10 days of the typical smartwatch released since 2022.

The longest-lasting OnePlus model sits in the top 21% of the 895 rated smartwatches in our data, across all years.

Cell size doesn't decide it: the Watch 3 has the largest battery here, 631 mAh, and is quoted at 5 days — behind models that reach 14 days.

Between 2021 and 2025, the newer half of the range lasts less than the older half: a typical 5 days against 10 days.

With GPS on, OnePlus watches in our data run from 25 hours (Watch) to 2 days (Watch 2R).

OnePlus battery life FAQ

Which OnePlus watch has the longest battery life?

The Watch, at 14 days in everyday use — the longest of the 7 OnePlus models in our data. The typical OnePlus sits at 5 days, so it is well clear of the rest of the range.

Which OnePlus watch lasts longest with GPS on?

The Watch 2, rated for 2 days of continuous tracking. GPS runtime is quoted separately from everyday runtime and the two rank differently, so a model that leads on days per charge is not automatically the one to take to a long event.

Does a bigger battery mean a longer-lasting OnePlus watch?

Not on its own. The Watch 3 has the largest cell in our data for OnePlus at 631 mAh and is quoted at 5 days, behind models at 14 days. Screen technology and how much the watch does in the background matter at least as much.

Compiled by WatchFitTool from the catalogue · ranking rebuilt 2026-11-06