There's a BLF thread here : https://budgetlightforum.com/t/-/2896
Also this: http://www.saintfire.com/
And this. All I can find... http://www.manafont.com/product_info.php/saintfire-k25-xre-5mode-memory-led-flashlight-set-1aa2aa-p-7297
Hope these links work. It's not just torches I'm new to. Computers, digital cameras, The Wheel... :-/