Lexel
(Lexel)
14
You don’t get ever close to 500 lumens with a single red XP-E2
I would go with a Sofirn C8F, you need a triple to get to 500 Lumens
Get a low drain protected battery like Panasonic 18650B this should get about 1.2A per emitter
3xXP-E2 Orange red should give you about 600 OTF Lumens then