SRAM AXS spare battery on-bike solar charging patent.

Zimmerframe

MUPPET
Subscriber
Jun 12, 2019
13,748
20,422
Brittany, France
An idea for the future, topping up your spare AXS battery on the bike using mudguard/fender mounted solar panels or water bottle cage mounted panels.

Patent : US 11,894,716 B2

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Various configurations/options for fender/mud guard charging :

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p3eps

E*POWAH Elite World Champion
Subscriber
Dec 14, 2019
1,796
2,151
Scotland
As a gadget lover, I purchased a Garmin Edge 840 Solar when it came out to replace my Edge 830.
The 'solar' version cost a bit more than the standard 840, but I thought it sounded like a pretty cool feature.

When I finish my 2 hour ride, it tells me how much battery time it's gained from the solar power. Even on a bright sunny day, I'm lucky if it's 2 or 3 minutes. A nice idea in theory, however a complete waste of time (especially in Scotland!!).
I can get that 2-3 mins time added by plugging it into a USB socket for about a minute.

Simple answer, make sure your batteries are charged before you head out. I've had AXS for 4+ years now and never had a flat battery whilst out on the trail. I have a spare in my pack, and have AXS derailleur / dropper - so have 3 to share. I've never needed to though.
 

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