So, after all experiances which triple xml are you suggesting?

LED Flashlights – General Info 18650 Flashlights
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this is mine on 6 x AA NIMH but i needed all the battery tube extentions from my TR-1200

more info here

TrustFire TR-3T6 Triple XM-L T6 5-Modes Memory LED Flashlight (3x18650)