You might find my experience from a few years ago relevant:
LED flashlight experience: 2 weeks in a Costa Rica rainforest
The actual lights I used are all way out of date now, but the principles are the same.
Personally, I would skip all the high-output, multi-emitter lights. If I were going back, the two primary lights I would bring is something relatively floody that works as a headlamp (one of my Zebralights or Sparks, most likely), and a small pocket light with good throw. Multi-levels are a must for both, so you can adjust output and runtime as needed. Battery choice is up to you, based on what you expect local availability to be (both for batteries and electrical charging).
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