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Smartwatches: Battery life (smartwatch mode) from 21 days + LTE (cellular)

8 models from 3 brands, 2021–2026 — every model in the catalog with these features, best scores first.

Battery life (smartwatch mode) from 21 daysLTE (cellular)
Models8
Brands3
Newest2026
Median score8.7
Sorted by score

Smartwatches: Battery life (smartwatch mode) from 21 days + LTE (cellular) — best rated

8
1 Garmin Fenix 9 Pro inReach 51mm
Garmin · 2026
Fenix 9 Pro inReach 51mm
1.5″31 days10 ATM99 g
8.8
2 Garmin Fenix 8 Pro 51mm AMOLED
Garmin · 2025
Fenix 8 Pro 51mm AMOLED
1.4″27 days10 ATM90 g
8.8
3 Garmin D2 Mach 2 Pro
Garmin · 2026
D2 Mach 2 Pro
1.4″24 days10 ATM90 g
8.7
4 Huawei Watch 6 Pro
Huawei · 2026
Watch 6 Pro
1.5″35 days5 ATM60 g
8.7
5 Xiaomi Watch S5
Xiaomi · 2026
Watch S5
1.48″21 days5 ATM46 g
8.2
6 Huawei Watch 3 Pro
Huawei · 2021
Watch 3 Pro
1.43″21 days5 ATM63 g
7.7
7 Garmin Fenix 9 Pro inReach Solar 51mm
Garmin · 2026
Fenix 9 Pro inReach Solar 51mm
1.4″30 days10 ATM102 g
7.4
8 Garmin Fenix 9 Pro inReach Solar 47mm
Garmin · 2026
Fenix 9 Pro inReach Solar 47mm
1.3″21 days10 ATM84 g
6.6

Brands in this collection

Garmin5Huawei2Xiaomi1
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