Coros Dura 2 Solar
120 h of all-systems GPS before solar, in 99 g with a 3.5 in touchscreen. Solar adds 2 h per hour of direct sun, so cloud cuts the gain.
What the maker states
| Battery | 120 h, All systems (High) GPS, without solar |
|---|---|
| Multi-band GPS battery | 70 h, Dual-frequency (MAX), without solar |
| Weight | 99 g, No mount |
| Water rating | IP67 |
| Display | 3.5 in Memory-in-Pixel touchscreen, 336 x 620 |
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS; dual-frequency |
| External sensors | ANT+, Bluetooth; up to 15 connections |
| Training metrics | EvoLab: recovery, fatigue, training load, VO2 max, threshold zones |
| App | COROS App |