With "up to 60 hours battery life".
ALL-NEW GARMIN EDGE 540 & 840 SOLAR - PRODUCT FEATURE
Garmin Launch Solar-Powered Edge 540 & Edge 840 - Pinkbike
Garmin Edge 540 & 840 Solar Surprising Photos Leaked - JayLo Cycling
Garmin Edge 540 Solar GPS Cycling Computer, Button Controls, Advanced Navigation with Wearable4U E-Bank Bundle : Electronics
Garmin extends solar charging to its new mid-range Edge 540 and 840 cycling computers
Garmin Edge 540 and 840 get Solar Charging and USB-C Ports
New Garmin Edge 540 and Edge 840 with solar charging launched
Garmin offers more solar charging with new Edge 540 and Edge 840 Series GPS cycling computers
Garmin Edge 540, Edge 840, Edge 540 Solar, and Edge 840 Solar are About to Launch - Here are all the Details - Cyclry
Garmin Edge 540 and 840: What and When Can We Expect?
Secret new tech! Garmin set to release solar-powered Edge 540 and 840 bike computers
Garmin's new Edge 840 and 540 bike computers inherit Solar technology and USB-C charging, with improved mapping - BikeRadar