Tonight I will attempt to repair a JETBeam RRT01 by swapping the driver. The original driver has a high (300mA) standby drain so the battery dies after a few days while the torch is off.

Here is a tutorial for building a big lumen tube, with a diameter of 150mm, to measure the light output and the temperature of a torch.

Here is a video tutorial for installing tritium vials in ReyLight torches.

Here is a video tutorial for swapping a green Osram KP CSLNM1.F1 emitter into a ReyLight Pineapple Mini to double the beam distance.

Here is how to compile the latest version of Anduril 2 firmware and load it onto a Mateminco MT04 torch.

A torch enthusiast in Australia asked if I could swap a dedomed Nichia 519A sm353 3500K emitter into their ReyLight Pineapple Copper.

Here is a photo tutorial of swapping and dedoming a Nichia 519A sm573 5700K emitter into a JETBeam RRT01.

Nichia 519A emitters are all the rage right now in the torch enthusiasts community. Here is a quick tutorial on how to swap a 519A sm353 domed emitter into a Sofirn SP10 Pro.