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AR15.COM
2/10/2026 10:51:17 PM EDT
Hey all, I bought a 507C X2 about 4 years ago. I thought it was defective because it was too dim, and long story short, I recently realized its brightness adjustment was set to be locked out. I "fixed" it today. Anyhow:

The optic has a solar panel. What exactly can it do? Will it keep my battery topped off indefinitely? How much light exposure does it require per day, if I keep the reticle on a high brightness setting at all times? Can it be expected to last a long time?

Thanks for any insight and experience y'all have to offer.
2/10/2026 11:55:25 PM EDT
[#1]
It does not charge anything, it just powers the emitter in direct sunlight and will allow the sight to be used with a dead battery.
2/11/2026 7:57:29 AM EDT
[#2]
Quote History
Originally Posted By chevrofreak:
It does not charge anything, it just powers the emitter in direct sunlight and will allow the sight to be used with a dead battery.
View Quote

I see. Thanks for clearing that up.
2/11/2026 8:34:16 AM EDT
[#3]
Does it bypass the battery while working?
2/14/2026 10:13:00 PM EDT
[#4]
Quote History
Originally Posted By Cooper1:
Does it bypass the battery while working?
View Quote

When in auto brightness mode I believe that it does.

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