Welcome back. I would recommend the County Comm/Maratac AA Titanium Nichia Flashlight
Titanium body, 1xAA (lithium, alkaline or NiMH) battery powering a Nichia 219 (neutral white) LED emitter. My EDC includes one of those or its copper cousins in either AA or AAA.
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Low Mode, 5 lumen output for 75 Hours
Medium Mode, 50 lumen output for 4.5 Hours
High Mode, 235 lumen output for 75 Minutes