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Thanks! They are the 900mah, so that would make sense. Back to the drawing board...

This is how I ended up wiring it. It works fine, it's very loud and bright. The 5v regulator gets hot but not so hot that it melts the heat shrink I put around it. Battery life isn't the best, I...

Going once...going twice?...bump.

I'm converting a BS Kylo Ren lightsaber. Can someone tell me if this looks like it would be wired correctly or if I even need a PNP? Should the 2 red leds of the Tri Cree be wired series or...