The Most POWERFUL Flashlight EVER - DIY Convoy INFERNO - 2239 Lumens
David Sunshine
346 37.5K
UPDATE:
If you want to make a powerful S2+, I would get the S2+ ( ... ), and just swap the driver with an Astrolux X5/X6 FET+7135 driver ( ... ), it can provide MORE power than 16 x 7135s, and have lower moonlight modes