Exactly! Back out the way you came in and don't look back! I'm a newb here also on CPF and my wife say's that I've developed a previously unknown OCD condition with "Effing" flashlights/parts/etc. Just guessing, but she takes those fancy dive lights we use for granted and that's
normal.
To your post, if you only have a buck-fifty : 1) Solarforce L2P is cheap and fits lots of P60 drop-ins. 2) Go to LED Forum, see the P60 drop-ins sticky and check out BigC' sticky, make up your own mind, but keep in mind voltage limitations/requirements. Might want to check out Nailbender's custom drop-ins. 3) Go to the Battery forum and read up on batts and chargers, then read some more. Maybe want to take a look at the Pila IBC for 123's and 18650's, that's until you go the RC hobby-charger route. Long-story short, you might just make the $150.00, but it's a slippery slope. Once you take the plunge, you'll find that there are
Lots of interesting things out there. Good luck to you and welcome, I'm on the Highway to Hell.