Six Features I Already Love About the Amazfit T-Rex Ultra 2 SmartwatchWe may earn a commission from links on this page.
Amazfit’s T‑Rex Ultra 2 has landed—a bigger, brighter, tougher, and significantly more expensive outdoors watch. At $549, this is Amazfit’s priciest smartwatch ever, a rugged multi-sport device clearly targeting adventure‑watch heavyweights. While my full in‑depth review is still underway (testing has been a challenge, due to some blizzard conditions), several features have already stood out in a big way.
The Ultra 2 features a truly long battery life
So far, the headline for this watch is its battery life. Amazfit claims of up to 30 days of smartwatch use—a roughly 25% jump over the previous model—and up to 50 hours of GPS tracking. So far, battery drain has been impressively slow, even during my cold‑weather workouts (where lithium cells typically suffer).
If you spend long stretches off the grid, or simply hate bringing a charger everywhere, this single upgrade alone may justify the Ultra 2’s substantial size and price hike.
A strong battery life, with options to make it last even longer.
Credit: Meredith Dietz
The Ultra 2 includes accurate, offline-ready navigation
The most anticipated day‑to‑day improvement is the new preloaded offline maps and generally more robust mapping experience. For the first time in the T‑Rex lineup, you can load full‑color global maps straight from the Zepp app, then use them on your wrist without a phone or cell service needed.
Here are the biggest highlights I've seen myself—and other online reviewers have confirmed:
Map data is great at distinguishing trails vs. roads.
Offline route planning now supports up to 100 km.
GPS accuracy is consistently strong with six‑system satellite support.
Faster rerouting and improved elevation profiles.
POI (point of interest) search is fantastic, showing all sorts of water, shelter, trailheads, and emergency points nearby.
I had fun exploring nearby points of interest.
Credit: Meredith Dietz
In practice, this has already proven helpful. When heavy snow blocked my usual running route, I hopped into live navigation, zoomed around the map, and found the nearest patch of green space. It felt intuitive and fun. During a standard city run, it was a neat reminder that navigation isn’t exclusively a rugged survival feature.
Re-routing on-the-go.
Credit: Meredith Dietz
A note: Route creation in the Zepp app could still be smoother. You can’t drag‑adjust between points, meaning you want to place your route carefully. But the on-watch implementation is strong, and things like Explore Nearby work well once you’re in open space (which my NYC apartment is decidedly not).
You can add voice memos to your workout with this watch
Press and hold the bottom-left button during a workout and you can record a quick voice memo, automatically geotagged. Did a training thought bubble up you don’t want to lose? Is there a trail detail you want to remember? “Don’t run that icy corner again?" It's a major improvement to be able to record as you go, and a seriously delightful addition that immediately became part of my routine.
For strength workouts, too, this provides a far more intuitive way to track things like reps and weights, all without breaking your flow. Once synced to the Zepp App, your notes are timestamped, transcribed, and saved with playback, making it easy to review exactly what you recorded and when.
The Ultra 2's hardware is big, bright, and tough
Amazfit clearly wants the Ultra 2 to compete with the toughest adventure watches on the market. The hardware reflects that ambition:
1.5-inch AMOLED touchscreen
Scratch-resistant sapphire crystal
Grade 5 titanium bezel and case back
10 ATM water resistance
Dual diving certification
64 GB storage for maps, music, and activity data
The new 3,000‑nit display is a monster—allegedly triple the brightness of the original Ultra. It’s crisp, extremely visible in full sunlight (or sun-reflecting-off-snow, as I’ve learned recently).
Compare the Amazfit Bip 6 on the left to the T-Rex Ultra 2 on the right.
Credit: Meredith Dietz
The Ultra 2's flashlight got an upgrade, too
Amazfit swapped last year’s red LED for a greener secondary option. The flashlight now sits at the 12:00 position, and the controls are intuitive:
• Press and hold the Up button to turn it on.
• Tap the onscreen icon to toggle.
• Press Up or Down five times to switch brightness or activate green mode.
It’s a small thing, but it reinforces the idea of this being an outdoors-first watch. I've yet to test this during night runs, camping, or emergency situations, but I can say that it works fine in a dark city apartment!
The Ultra 2 has workout modes for just about anything
Amazfit packed more than 180 sports modes into the Ultra 2—including extremely niche ones like spearfishing, free diving, parkour, and snorkeling.
There are more than 180 sport types.
Credit: Meredith Dietz
In this same arena of sport modes, the watch also includes:
Grade-adjusted pace for runners
Improved climb segmentation
Onboard speaker and mic for Bluetooth calls and audible alerts
Smooth integration with the Zepp app for fitness, recovery, sleep, and nutrition insights
The early experience here is promising. Even if some newly advertised software features aren’t fully polished yet, Amazfit’s ambition is on full display.
Final (early) thoughts on the Ultra 2
There’s still a lot of testing ahead before I can answer the big question: Is the Amazfit T‑Rex Ultra 2 worth $549—especially when Garmin already dominates the rugged-adventure landscape? That said, there are already clear, meaningful upgrades that impress me—offline mapping that feels complete, the best‑ever battery life for an Amazfit watch, a surprisingly delightful voice‑memo tool, and hardware that feels built for the apocalypse.
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Six Features I Already Love About the Amazfit T-Rex Ultra 2 Smartwatch
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April 22, 2025, 02:54:53 AM