Let’s do it, you tell me specifically what brand of battery to buy me and what capacity and I’ll buy it. And if the flashlight does not work properly with this battery, which you advise me, then this is a marriage of a flashlight and you must change it for me or send at least another working driver. I paid money for the flashlight that should work. But you say that I have bad batteries, but my batteries, with other flashlights work without any problems …