Amazfit has officially announced T-Rex Dual Solar, the world’s first AMOLED smartwatch with a dual-sided solar charging system: the photovoltaic panels are on both the watch face and the back of the device, both capable of extending the battery life during outdoor activities.
Amazfit T-Rex Dual Solar: design, display and solar charging

The case is made from Grade 5 titanium with scratch-resistant sapphire glass, for a build described as military-grade. The display is a 1.32″ AMOLED panel, with a peak brightness up to 3,000 nits to stay legible even in direct sunlight.
The dual solar charging system captures energy from both the front panel surrounding the display and a rear octagonal glass-ceramic plate, twice the size of the front panel: according to Amazfit, three hours per day at 50,000 lux can add up to nine extra days of autonomy via the front panel alone.
The stated battery life reaches up to 25 days in typical usage, while with GPS active in a more precise mode it drops to 41 continuous hours. The solar charging, as mentioned, allows to further extend these values during longer adventures.
HybridCharge and compatibility with major sports platforms

On the sports front, Amazfit T-Rex Dual Solar introduces HybridCharge, a feature that combines training load, recovery and daily fatigue into a single indicator.
The device is compatible with platforms such as TrainingPeaks, Runna and Intervals.icu, in addition to syncing workouts with Strava, and can be paired with the Amazfit Helio Strap band for more complete recovery data.
Offline maps, LiveShare and 10ATM resistance
The GPS suite includes preloaded color maps, route planning with elevation data, storage of up to 100 routes with automatic rerouting, and the LiveShare feature for real-time location sharing. The smartwatch is certified for water resistance up to 10 ATM and also includes a flashlight and an SOS signal.
Amazfit T-Rex Dual Solar – Technical Specifications
- Dimensions and weight: 51.4 mm case, 16.9 mm thick including the heart-rate sensor / 14.5 mm excluding the sensor, 69 g; strap 25.5 g
- Materials: 5-grade titanium bezel and buttons, center frame in fiber-reinforced polymer, bottom shell in Grade 5 titanium and glass-ceramic, sapphire glass, silicone strap
- Buttons: 4 physical buttons
- Colors: Basalt Black, black strap
- Resistance: 10 ATM, 100 meters water immersion, military-grade certification, operation down to -30 °C
- Display: 1.32″ AMOLED (466 x 466 px), 353 PPI, peak brightness up to 3,000 nits, sapphire glass
- Chipset: /
- RAM: /
- Storage: /
- Battery: 660 mAh (nominal), magnetic charging and dual-sided solar charging via display and rear glass-ceramic plate
- Autonomy: up to 25 days with typical use, up to 13 days with heavy use, up to 60 days in watch mode, up to 40 days in Outdoor Extreme mode, up to 41 hours with high-precision GPS, up to 48 hours in normal Trail Running mode and up to 33 hours in intense Trail Running mode; up to 34 days with typical use + 3 hours of front solar charging and up to 51 days with typical use + 3 hours of rear solar charging
- Audio: built-in speaker and microphone, Bluetooth call support
- Connectivity: Wi-Fi 2.4 GHz, Bluetooth 5.2, BLE, dual-band GPS with support for 6 satellite positioning systems and circularly polarized GPS antenna
- Health and sensors: BioTracker 6.0 PPG biometric sensor (5PD + 2LED), 24/7 heart rate monitoring, SpO2, stress and skin temperature, sleep tracking with HRV and REM phases, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor, and capacitive touch sensor
- Sport: over 180 sports modes, intelligent recognition of 25 strength exercises and 8 athletic movements, interval training, Track Run, smart trajectory correction, virtual pacer, Zepp Coach, PeakBeats, HybridCharge, VO2 Max, Training Load, Training Effect, recovery time, support for cardio bands and external sensors, offline maps and turn-by-turn navigation
- Operating system: Zepp OS with Zepp Flow and Zepp App support
Price and Availability
Amazfit T-Rex Dual Solar is offered at €649.90 in Italy, with shipments planned for mid-October; in the US market the price is $649.99, with availability already immediate. The only color indicated at the moment is Basalt Black.
For all the updates on the brand’s ecosystem, you can find our latest articles in the Amazfit section of GizChina.it.



