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Black rectangular GPS cycling computer with solar charging lens and button controls

Garmin

Garmin Edge 840 Solar GPS Cycling Computer 010-02695-20

SKU CH-1DV9-MXBT5 MPN 010-02695-20

Solar-charged GPS cycling computer with button controls and adaptive coaching offers up to 60 hours battery saver or 32 hours intense mode plus multi-band GNSS accuracy

  • Product typeTools
  • Extends ride time with up to 60 hours in battery saver mode
  • Solar charging adds 25 minutes per hour during daytime rides
  • Multi-band GNSS delivers precise navigation on every route
  • ClimbPro planner tracks remaining ascent and grade on climbs
  • Adaptive coaching gives personalised workout prompts for your training load

Garmin Edge 840 Solar GPS Computer

The Garmin Edge 840 Solar is a GPS cycling computer designed for riders who want structured training guidance and long-distance navigation. It provides targeted adaptive coaching that delivers personalized workout suggestions based on your current load and upcoming events. Button controls allow reliable operation in wet conditions or while wearing gloves. It suits cyclists preparing for races or personal distance milestones.

Power Glass Solar Charging & Battery Life

The Power Glass solar charging lens extends ride time by harvesting energy during daylight hours. In battery saver mode the unit delivers up to 60 hours of operation and gains an extra 25 minutes of battery life for every hour of daytime riding. Intense mode provides up to 32 hours of use when every sensor is active. Multi-band GNSS reception maintains accurate positioning without increasing power draw.

Sustained Ride Performance

During long climbs the ClimbPro ascent planner displays remaining ascent and grade so you can gauge effort without a pre-loaded course. Pairing a compatible power meter and heart rate monitor lets you compare real-time output against course demands throughout the ride. Adaptive coaching continues to adjust daily workout prompts as your training load evolves across weeks of consistent use. The solar harvest remains steady during extended daylight exposure, supporting multi-day tours without mains charging.

How it compares

Measured against everything we stock in Bike Lights, Racks & Accessories, at today’s prices. Recalculated every night.

Price $353.99
Pricier than about 99% of the 211 comparable items (median $25.99).

Specifications

Product
Product typeTools
Size & build
Shipping weight0.43 kg
Package size206 × 160 × 119 mm

Questions about this item

How do I mount the Edge 840 Solar on my handlebars and what step is often missed?

Attach the supplied quarter-turn mount to the bars, then twist the computer until it clicks; the step many skip is locking the lever so the unit cannot rotate loose on rough roads.

What ongoing maintenance does the Edge 840 Solar need?

Keep the Power Glass lens clean so solar charging works at full efficiency and recharge the internal battery every few months if the computer is stored unused.

Which limit appears first on long rides with the Edge 840 Solar?

Battery life reaches its limit first — up to 32 hours in intense mode or 60 hours in battery saver mode, with solar adding roughly 25 minutes per hour in daylight.

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