Preset · Smartwatches

Smartwatches with the Longest Battery Life

Compare smartwatches — health sensors, battery life, GPS, cellular, and OS with Mars Score.

24 probes in this view

Cellular With ECG Longest battery watchOS Wear OS

13 of 24 products

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Apple

Watch Ultra 3

65.3/ 100C

Display size: 2.04 "
Case size: 49 mm
Battery life: 72 h
OS: watchOS

Buy · Amazon

Huawei

Watch Ultimate

64.5/ 100C

Display size: 1.5 "
Case size: 48.5 mm
Battery life: 336 h
OS: HarmonyOS

Buy · Amazon

Garmin

Fenix 8 (47mm)

64.3/ 100C

Display size: 1.4 "
Case size: 47 mm
Battery life: 384 h
OS: Garmin OS

Buy · Amazon

Xiaomi

Watch S4

63.9/ 100C

Display size: 1.43 "
Case size: 47 mm
Battery life: 360 h
OS: HyperOS

Buy · Amazon

Huawei

Watch GT 6

63.8/ 100C

Display size: 1.47 "
Case size: 46 mm
Battery life: 336 h
OS: HarmonyOS

Buy · Amazon

Garmin

Venu 3

62.0/ 100C

Display size: 1.4 "
Case size: 45 mm
Battery life: 336 h
OS: Garmin OS

Buy · Amazon

Garmin

Venu 4

58.5/ 100C

Display size: 1.4 "
Case size: 45 mm
Battery life: 264 h
OS: Garmin OS

Buy · Amazon

OnePlus

OnePlus Watch 3

53.9/ 100D

Display size: 1.5 "
Case size: 46.5 mm
Battery life: 120 h
OS: WearOS

Buy · Amazon

Polar

Vantage V3

53.5/ 100D

Display size: 1.39 "
Case size: 47 mm
Battery life: 168 h
OS: Polar OS

Buy · Amazon

Garmin

vívoactive 5

53.3/ 100D

Display size: 1.2 "
Case size: 42 mm
Battery life: 264 h
OS: Garmin OS

Buy · Amazon

Samsung

Galaxy Watch 7 Pro

51.9/ 100D

Display size: 1.5 "
Case size: 47 mm
Battery life: 80 h
OS: Wear OS

Buy · Amazon

Samsung

Galaxy Watch Ultra 2

50.8/ 100D

Display size: 1.5 "
Case size: 47 mm
Battery life: 60 h
OS: WearOS

Buy · Amazon

Google

Pixel Watch 4

47.4/ 100D

Display size: 1.4 "
Case size: 45 mm
Battery life: 48 h
OS: WearOS

Buy · Amazon