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If you get a $3 18650 flashlight off ebay with the single XM-L led, they're fairly low brightness (I'd guess 250 lumen) and can be mounted as a bike headlight w
by semi-extrinsic 7y ago
If you get a $3 18650 flashlight off ebay with the single XM-L led, they're fairly low brightness (I'd guess 250 lumen) and can be mounted as a bike headlight with a $2 adapter.