Curated list · Smart Watches
Smart watches with 2+ weeks of battery
We compared 7 watches that meet these criteria. Prices start at $99.99.
By Everyday LoadoutData checked 7 watches comparedHow we compare
At a glance
Side-by-side specs
| Watch | Case | Battery | Water | Display | GPS | From |
|---|---|---|---|---|---|---|
| Amazfit T-Rex Ultra 2 | 51 mm | 30 days | 100 m | AMOLED | Yes | $549.99 |
| Amazfit Active Max | 48.5 mm | 25 days | 50 m | AMOLED | Yes | $169.99 |
| Amazfit T-Rex Dual Solar | 51.4 mm | 25 days | 100 m | AMOLED | Yes | $649.99 |
| Amazfit Balance 2 | 47.4 mm | 21 days | 100 m | AMOLED | Yes | $299.99 |
| Amazfit Balance 3 | 51.4 mm | 21 days | 100 m | AMOLED | Yes | $369.99 |
| Amazfit Bip Max | 49.6 mm | 20 days | 50 m | AMOLED | Yes | $99.99 |
| Amazfit Cheetah 2 Pro | 48 mm | 20 days | 50 m | AMOLED | Yes | $449.99 |
Amazfit T-Rex Ultra 2
Longest battery
Image not availableColor not published
The Amazfit T-Rex Ultra 2 is a 51 mm, 30 days battery smart watch with a AMOLED touchscreen, GPS and 100 m water resistance. Its display measures 1.69 in (43 mm), it works with iPhone and Android phones and it lasts 50 hours with GPS on.
Worth knowing: Amazfit doesn't publish this watch's weight.
- Case
- 51 mm
- Weight
- Not published
- Battery
- 30 days
- GPS battery
- 50 hours
- Display
- 1.69 in (43 mm)
- Water
- 100 m (328 ft)
$549.99at Amazfit store
Check price for the Amazfit T-Rex Ultra 2 at Amazfit store (opens in new tab)Full specs and sources for the Amazfit T-Rex Ultra 2Lowest in-stock price as of Oct 25, 2026.
Stands out
- Built-in GPS
- Sapphire lens
- Titanium case
- Offline maps
- Built-in flashlight
Worth knowing
- Amazfit doesn't publish this watch's weight
- Sold by one retailer we track (Amazfit store)
Amazfit Active Max
Lightest
Image not availableColors: Black
The Amazfit Active Max is a 48.5 mm, 25 days battery smart watch with a AMOLED touchscreen, GPS and 50 m water resistance. Its display measures 1.50 in (38.1 mm), it runs Zepp OS, it works with iPhone and Android phones and it lasts 64 hours with GPS on.
It's the lightest of the 4 watches here that publish a weight, 30 g lighter than the heaviest. Worth knowing: sold by one retailer we track (Amazfit store).
- Case
- 48.5 mm
- Weight
- 0.1 lb · 40 g
- Battery
- 25 days
- GPS battery
- 64 hours
- Display
- 1.50 in (38.1 mm)
- Water
- 50 m (164 ft)
$169.99at Amazfit store
Check price for the Amazfit Active Max at Amazfit store (opens in new tab)Full specs and sources for the Amazfit Active MaxLowest in-stock price as of Oct 25, 2026.
Stands out
- Built-in GPS
- Offline maps
- Takes calls
Worth knowing
- Sold by one retailer we track (Amazfit store)
Image not availableColors: Basalt Black
The Amazfit T-Rex Dual Solar is a 51.4 mm, 25 days battery smart watch with a AMOLED touchscreen, GPS and 100 m water resistance. Its display measures 1.32 in (33.5 mm), it works with iPhone and Android phones and it lasts 41 hours with GPS on.
At 0.2 lb it's the heaviest of the 4 watches here that publish a weight and the most expensive here at $649.99. Worth knowing: heaviest watch in this list.
- Case
- 51.4 mm
- Weight
- 0.2 lb · 69 g
- Battery
- 25 days
- GPS battery
- 41 hours
- Display
- 1.32 in (33.5 mm)
- Water
- 100 m (328 ft)
$649.99at Amazfit store
Check price for the Amazfit T-Rex Dual Solar at Amazfit store (opens in new tab)Full specs and sources for the Amazfit T-Rex Dual SolarLowest in-stock price as of Oct 25, 2026.
Stands out
- Dual-band GPS
- Solar charging
- Sapphire lens
- Offline maps
- Built-in flashlight
Worth knowing
- Heaviest watch in this list
- Sold by one retailer we track (Amazfit store)
Image not availableColors: Black (with additional Lava strap)
The Amazfit Balance 2 is a 47.4 mm, 21 days battery smart watch with a AMOLED display, GPS and 100 m water resistance. Its display measures 1.50 in (38.1 mm), it runs Zepp OS, it works with iPhone and Android phones and it lasts 33 hours with GPS on.
Worth knowing: Amazfit doesn't publish this watch's weight.
- Case
- 47.4 mm
- Weight
- Not published
- Battery
- 21 days
- GPS battery
- 33 hours
- Display
- 1.50 in (38.1 mm)
- Water
- 100 m (328 ft)
$299.99at Amazfit store, Black (with additional Lava strap)
Check price for the Amazfit Balance 2 at Amazfit store (opens in new tab)Full specs and sources for the Amazfit Balance 2Lowest in-stock price as of Oct 25, 2026.
Stands out
- Built-in GPS
- Sapphire lens
- Offline maps
- Takes calls
Worth knowing
- Amazfit doesn't publish this watch's weight
- Sold by one retailer we track (Amazfit store)
Image not availableThe Amazfit Balance 3 is a 51.4 mm, 21 days battery smart watch with a AMOLED touchscreen, GPS and 100 m water resistance. Its display measures 1.50 in (38.1 mm), it works with iPhone and Android phones and it lasts 41 hours with GPS on.
Worth knowing: Amazfit doesn't publish this watch's weight.
- Case
- 51.4 mm
- Weight
- Not published
- Battery
- 21 days
- GPS battery
- 41 hours
- Display
- 1.50 in (38.1 mm)
- Water
- 100 m (328 ft)
$369.99at Amazfit store, Stainless Steel
Check price for the Amazfit Balance 3 at Amazfit store (opens in new tab)Full specs and sources for the Amazfit Balance 3Lowest in-stock price as of Oct 25, 2026.
Stands out
- Dual-band GPS
- Sapphire lens
- Offline maps
- Takes calls
Worth knowing
- Amazfit doesn't publish this watch's weight
- Sold by one retailer we track (Amazfit store)
Image not availableThe Amazfit Bip Max is a 49.6 mm, 20 days battery smart watch with a AMOLED touchscreen, GPS and 50 m water resistance. Its display measures 2.07 in (52.6 mm), it works with iPhone and Android phones and it lasts 40 hours with GPS on.
It's the third lightest of the 4 watches here that publish a weight and the least expensive here at $99.99. Worth knowing: sold by one retailer we track (Amazfit store).
- Case
- 49.6 mm
- Weight
- 0.1 lb · 53 g
- Battery
- 20 days
- GPS battery
- 40 hours
- Display
- 2.07 in (52.6 mm)
- Water
- 50 m (164 ft)
$99.99at Amazfit store, Silver
Check price for the Amazfit Bip Max at Amazfit store (opens in new tab)Full specs and sources for the Amazfit Bip MaxLowest in-stock price as of Oct 25, 2026.
Stands out
- Built-in GPS
- Offline maps
- Takes calls
Worth knowing
- Sold by one retailer we track (Amazfit store)
Image not availableColors: Titanium
The Amazfit Cheetah 2 Pro is a 48 mm, 20 days battery smart watch with a AMOLED touchscreen, GPS and 50 m water resistance. Its display measures 1.32 in (33.5 mm), it works with iPhone and Android phones and it lasts 31 hours with GPS on.
It's the second lightest of the 4 watches here that publish a weight. Worth knowing: sold by one retailer we track (Amazfit store).
- Case
- 48 mm
- Weight
- 0.1 lb · 46 g
- Battery
- 20 days
- GPS battery
- 31 hours
- Display
- 1.32 in (33.5 mm)
- Water
- 50 m (164 ft)
$449.99at Amazfit store
Check price for the Amazfit Cheetah 2 Pro at Amazfit store (opens in new tab)Full specs and sources for the Amazfit Cheetah 2 ProLowest in-stock price as of Oct 25, 2026.
Stands out
- Dual-band GPS
- Sapphire lens
- Titanium case
- Offline maps
- Built-in flashlight
Worth knowing
- Sold by one retailer we track (Amazfit store)
Questions, answered from the data
What are the lightest smart watches with 2+ weeks of battery?
The Amazfit Active Max is the lightest at 0.1 lb (40 g), by manufacturer spec (3 of the 7 watches don't publish a weight).
What's the cheapest option?
The Amazfit Bip Max, with a lowest in-stock price of $99.99 this week.
Which have built-in GPS?
The Amazfit T-Rex Ultra 2, the Amazfit Active Max, the Amazfit T-Rex Dual Solar, the Amazfit Balance 2, the Amazfit Balance 3, the Amazfit Bip Max and the Amazfit Cheetah 2 Pro have built-in GPS.
Which lasts longest on a charge?
The Amazfit T-Rex Ultra 2, up to 30 days in typical use (the brand’s figure).
How we chose
This list includes every watch in our database that meets all of these criteria: 14+ days battery. Watches are sorted by manufacturer weight, lightest first. Nobody pays to be included.
Specs come from manufacturer pages (or, for brands whose own sites we can’t read, a retailer’s page) unless marked otherwise, and every value links to its source on the product page. Prices are the lowest in-stock price we found on Oct 25, 2026 and change often.
This is a spec comparison, not a hands-on review. Summaries are written with AI assistance from verified data only. Read our methodology.