Haylou watch battery life: 10 models ranked
Two Haylou watches share the longest figure in our data, 20 days. The typical Haylou is quoted at 14.5 days, against 10 days for the typical smartwatch released since 2022.
Every Haylou watch ranked by battery life
Showing 10 of 10 Haylou models with published battery figures.
| # | Model | Everyday use | GPS tracking | Power save | Capacity | Overall | Links |
|---|---|---|---|---|---|---|---|
| 1st |  LS02 ProLS02 · 2021 | 20days | N/A | N/A | 250 mAh | 88th | |
| 2nd |  RT2 (LS10)RT2 · 2021 | 20days | N/A | N/A | 330 mAh | 89th | |
| 3rd |  RT LS05SRT · 2021 | 15days | N/A | N/A | 300 mAh | 148th | |
| 4th |  Smart Watch Solar LS05Smart · 2020 | 15days | N/A | N/A | 340 mAh | 152nd | |
| 5th |  SolarSolar · 2020 | 15days | N/A | N/A | 340 mAh | 153rd | |
| 6th |  Smart Watch LS01Smart · 2020 | 14days | N/A | N/A | 210 mAh | 235th | |
| 7th |  RS3RS3 · 2022 | 12days | N/A | N/A | 230 mAh | 285th | |
| 8th |  RS4RS4 · 2021 | 12days | N/A | N/A | 230 mAh | 290th | |
| 9th |  LS01LS01 · 2019 | 10days | N/A | N/A | 210 mAh | 384th | |
| 10th |  GSTGST · 2021 | 9days | N/A | N/A | 220 mAh | 411th |
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 Haylou picks for battery
Haylou battery life, ranked
The extremes of the range on each figure we hold for Haylou. Every number below is the manufacturer's own rating, not a measured result.
Longest-lasting Haylou watches
Most days per charge in everyday use
- 1LS02 Pro20 days
- 2RT2 (LS10)20 days
- 3RT LS05S15 days
- 4Smart Watch Solar LS0515 days
- 5Solar15 days
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Haylou battery in numbers
- Longest
- 20d
- Two models tie
- Typical Haylou, all years
- 15d
- Typical smartwatch since 2022: 10d
- 7 days or more
- 100%
- 10 of 10 models
- Case sizes
- 36–46 mm
- 10 of 10 with a width in our data
- Newest in our data
- 2022
- RS3 12d
- Best overall
- 88th
- Of 895 rated smartwatches, all years
What the numbers show
The typical Haylou watch in our data is quoted at 14.5 days, longer than the 10 days of the typical smartwatch released since 2022.
The longest-lasting Haylou model sits in the top 10% of the 895 rated smartwatches in our data, across all years.
Cell size doesn't decide it: the Smart Watch Solar LS05 has the largest battery here, 340 mAh, and is quoted at 15 days — behind models that reach 20 days.
Between 2019 and 2022, the newer half of the range lasts about as long as the older half: a typical 15 days against 14 days.
Of the 10 models, three share one figure, 15 days, so pick between them on size, screen or GPS rather than battery.
Haylou battery life FAQ
Which Haylou watch has the longest battery life?
Two models share the longest everyday figure in our data, 20 days: LS02 Pro, RT2 LS10. The typical Haylou sits at 15 days.
Does a bigger battery mean a longer-lasting Haylou watch?
Not on its own. The Smart Watch Solar LS05 has the largest cell in our data for Haylou at 340 mAh and is quoted at 15 days, behind models at 20 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 2026-11-05