With "up to 60 hours battery life".
Garmin Launch Solar-Powered Edge 540 & Edge 840 - Pinkbike
New edge 840 solar ( Transfer saved courses from my 830 to 840) : r/Garmin
ALL-NEW GARMIN EDGE 540 & 840 SOLAR - PRODUCT FEATURE
Garmin Edge 540 and 840 get Solar Charging and USB-C Ports
New: Garmin Edge 540 and 840; now with Solar! - Winter Park Cycles
Garmin extends solar charging to its new mid-range Edge 540 and 840 cycling computers
Garmin Edge 540, Edge 840, Edge 540 Solar, and Edge 840 Solar are About to Launch - Here are all the Details - Cyclry
New Garmin Edge 540 and Edge 840 with solar charging launched
Garmin Edge 840 & 540 In-Depth Review // Enhanced ClimbPro, Solar Charging, Dual-Band, and More!
Garmin Edge 540 / 840 Solar - Tested & Reviewed