evo.com | Garmin Computers > Ride strong and be prepared for anything with the Garmin Edge 840 Solar Bike Computer. Get up to 60 hours of battery life thanks to solar charging that juices up while you're on the bike. This nifty little handlebar machine features up to 200 bike waypoints and plenty of helpful features like stamina insights, power meter connectivity, and more. Powered by multi-band GNSS technology, you can ensure you stay on course, even when there's a fork in the road. Memory / History 32 GB Power Glass(TM) Solar Charging Extends Rides Get up to 60 hours in battery saver mode or up to 32 hours in intense mode. Gain an extra 25 minutes per hour from solar charging in battery saver mode during daytime rides. Event Adaptive Training View daily suggested workouts and training prompts on screen; get personalized coaching based on your event that adapts to your current training load and recovery. Multi-Band GNSS Find your way with multi-band GNSS technology that provides enhanced positioning accuracy. 2.3" x 3.4" x 0.8" (57.8 x 85.1 x 19.6 mm) | Garmin Edge 840 Solar Bike Computer 2025 in Black