The Amazfit T-Rex Ultra 2 is officially launched, bringing a massive 870mAh battery, ultra-bright 3000-nit AMOLED display, and 64GB storage for offline maps.
Designed for extreme outdoor use, the new T-Rex Ultra 2 focuses on endurance, durability, and navigation rather than slim aesthetics.
Here’s everything you need to know about its specs, battery life, features, and price.
What Are the Key Specs of the Amazfit T-Rex Ultra 2?

| Feature | Details |
|---|---|
| Display | 1.5-inch AMOLED |
| Resolution | 480 × 480 pixels |
| Peak Brightness | Up to 3000 nits |
| Battery | 870mAh |
| Battery Life | Up to 30 days |
| Storage | 64GB (≈30GB usable) |
| GNSS | Dual-band, 6 satellite systems |
| Water Resistance | 10 ATM (45m dive support) |
| Case Size | 51mm |
| Weight | 89.2g |
Pros
- Excellent 30-day battery life
- Extremely bright 3000-nit display
- 64GB storage with offline maps
- Titanium durability
- Competitive pricing
Cons
- Large 51mm case
- Heavy at 89g
- Software ecosystem not as refined as Garmin
3000-Nit AMOLED Display for Extreme Visibility

The T-Rex Ultra 2 features a 1.5-inch AMOLED display with a resolution of 480 × 480 pixels and peak brightness of 3000 nits. That makes it one of the brightest outdoor smartwatch displays available.
This high brightness improves readability in:
- Direct sunlight
- Snow glare
- High-altitude conditions
- Desert environments
Instead of switching to MicroLED technology, Amazfit refined its AMOLED panel for better efficiency and durability.
Battery Life: How Long Does the Amazfit T-Rex Ultra 2 Last?
870mAh Battery with Up to 30 Days of Use
Battery life is one of the biggest upgrades.
The 870mAh battery delivers:
- Up to 30 days of standard use
- Multi-day GPS tracking
- Extended expedition performance
Compared to the previous Amazfit T-Rex 3 Pro, which offered a 700mAh battery and up to 25 days of use, the Ultra 2 provides longer endurance for outdoor adventures.
Charging is done via a magnetic USB-C puck.
64GB Storage with Offline Maps Support

The watch includes 64GB internal storage, with approximately 30GB usable for maps and route files.
Users can download:
- Regional color maps
- Topographic contour maps
- Ski resort maps
- GPX route files
Dual-band GNSS with support for six satellite systems improves location accuracy in forests, mountains, and urban canyons.
For hikers and trekkers, this makes the Ultra 2 a serious navigation tool.
Titanium Build and Rugged Construction
The 51mm case combines:
- Grade 5 titanium
- Fiberglass-reinforced polymer
The display is protected by sapphire crystal for enhanced scratch resistance.
At 89.2 grams, the watch is heavier than standard smartwatches, but it is built for toughness and harsh environments rather than lightweight comfort.
Water Resistance & Outdoor Sensors

The T-Rex Ultra 2 carries a 10 ATM water resistance rating and supports recreational diving up to 45 meters.
It also includes:
- Barometric altimeter
- Storm alerts
- SpO2 monitoring
- Ambient light sensor
- Dual-tone flashlight (white + green light)
The flashlight includes a high-output mode and SOS flashing for emergency situations.
Health & Fitness Features
In addition to its rugged build, the watch offers complete health tracking features:
- Continuous heart rate monitoring
- Blood oxygen (SpO2)
- HRV tracking
- Sleep analysis
- Stress tracking
- VO2 Max
- Training load and readiness metrics
It supports 187 sports modes and syncs with platforms like Strava and TrainingPeaks. Bluetooth calling and NFC payments via Zepp Pay are also available.
Is the Amazfit T-Rex Ultra 2 Worth $550?
The Amazfit T-Rex Ultra 2 is priced at $550, placing it in the premium rugged smartwatch category.
It competes with high-end outdoor watches from brands such as Garmin and Suunto, offering strong battery life and storage at a competitive price.
How It Compares to the T-Rex 3 Pro
Compared to the T-Rex 3 Pro, the Ultra 2 is essentially the bigger, tougher sibling.
It’s:
- Larger (51mm vs 48mm)
- Heavier
- Packing more battery (870mAh vs 700mAh)
- Offering more storage (64GB vs 26GB)
- Built with more titanium integration
Battery life improves slightly (30 days vs 25 days), but the biggest upgrades are endurance and storage.
This isn’t a radical redesign — it’s a refinement focused on long-haul use.
Who Should Buy the Amazfit T-Rex Ultra 2?
The T-Rex Ultra 2 is ideal for:
- Multi-day hikers
- Mountain climbers
- Skiers and snowboarders
- Expedition travelers
- Outdoor enthusiasts needing long battery life
If you prefer a slim smartwatch for daily office wear, this model may feel bulky. However, for harsh environments and extended outdoor use, it delivers excellent endurance and durability.
FAQs
Is the Amazfit T-Rex Ultra 2 waterproof?
Yes, it has a 10 ATM rating and supports recreational diving up to 45 meters.
Does the T-Rex Ultra 2 support offline maps?
Yes, it includes 64GB storage with downloadable regional and contour maps.
Is it worth upgrading from the T-Rex 3 Pro?
If you want more battery life and storage for maps, the Ultra 2 is a solid upgrade. However, it is larger and heavier.
Final Verdict
The Amazfit T-Rex Ultra 2 focuses on endurance, brightness, and storage rather than minimal design.
With a 3000-nit display, 870mAh battery, and 64GB storage for offline maps, it stands out as a powerful rugged smartwatch built for serious outdoor use.
For users prioritizing long battery life and navigation capabilities, it is one of the most capable options currently available.







