streamlight flashlight battery 75175 GSUIVEER 1 Pack 75375 3.6V 3000mAh Ni-MH Compatible with Stinger 75813 75810 76000 PolyStinger Pelican M9 FL126 Flashlight : Tools & Home Improvement ASSEMBLY:With Pro Build & Tune (+$299) Unique Bargains Sling Backpacks MIPS-equipped helmet PolyStinger LED and PolyStinger

streamlight flashlight battery 75175 GSUIVEER 1 Pack 75375 3.6V 3000mAh Ni-MH Compatible with Stinger 75813 75810 76000 PolyStinger Pelican M9 FL126 Flashlight : Tools & Home Improvement ASSEMBLY:With Pro Build & Tune (+$299) Unique Bargains Sling Backpacks MIPS-equipped helmet PolyStinger LED and PolyStinger

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The bulbs for most retro lights will either be an E10 MES, or a PR13.5, there`s plenty of different LED dropins for those, you can even use maglite LED dropins for the PR type socket, personally I prefer multi-emitter dropins for these lights, you get more light with less heat (losing heat is big problem with these lights).for the battery you have to do a bit of DIY, it`ll involve cutting a suitable cardboard tube to fit either a protected 18650 or 21700 (you must use protected cells!), and then a way to make a spacer so it`s long enough to connect at both ends

MIPS-equipped helmet

ASSEMBLY:With Pro Build & Tune (+$299)

Insulates without adding bulk

PolyStinger LED and PolyStinger DS LED flashlights