* Uses one AA (Ni-MH, Alkaline) battery * Output Modes: - High - 130 Lumens (1 hour 30 minutes) Fenix is going to fix this or give me a credit for another flashlight apparently the dealer said there are problems with this model. A flashlight can stop working for many different reasons. If you cannot get the light turned on without the switch, it could be a faulty LED module. Find portable power in the compact Fenix PD35 TAC (Tactical Edition) flashlight with 6 power settings and a whopping 1,000-lumen turbo beam for over 656 ft. of wayfinding visibility in the dark. When I got started in survivalism, the go-to flashlight was the MagLite. I sent it to Fenix for repairs and they sent me a brand new updated light. The Fenix E12 is a very solid, simple, and minimalistic light. The flashlight, a Fenix E11, has been supplanted by the newer E12 model which features a tap switch on the tailcap to adjust brightness levels. The Fenix E12 Flashlight turns small size into go-anywhere, functional lighting. And the body a 15mm internal diameter (plm). Recently I dropped my Fenix light and it stopped working. Available at REI, 100% Satisfaction Guaranteed. In pretty much all other regards, its the same as the E11. Mine was 4years old. If I need brighter I can go to 2xAA. I only use AA (and AAA) Eneloop powered lights these days and don't find them lacking. If the light turns on now, you know the circuit is good, but the switch is failing to complete it. Just wondering if anybody else has had any issues with this .other than that it has been a fantastic light. The E12 is an AA light, so the battery has a 14.5mm diameter. If your flashlight is not turning on we recommend that you first check the batteries in another device if you have one available. That means a regular 1288 Omten on a 16mm PCB should fit. The light would constantly flicker even with new batteries. Out of those you've listed I like the Fenix E12 and the Eagletac. Sorry if I pointed you in the wrong direction, but there was no indication this is a “regular” 3-piece flashlight. So what made me choose the Fenix E12, well it was EDCF, you guys give some great feedback and the fact the E12 had the following benefits and features, and also the fact that it would fit in the side tube of my Skinth Magnum. A single AA battery kicks out 130 lumens and 289ft reach. The only reason why I give it 2 stars is because after 2 weeks the button stopped working. Welcome. There could have been a manufacturing error, a circuit could blow, the switch could break, or it could be caused by damage during use. Haven't tried the others but have first hand experience with those two. I own three of of these (2 LD15 and 1 E12) and have had problems with all 3. If not, you might have to file it down just a bit. Find helpful customer reviews and review ratings for Fenix Flashlights E12 130-Lumen Flashlight, ... Bought it for helping me when working inside machines and reading serial tags. The E12 I've had for maybe a month and the switch seems to be stuck on. Tailcap switching controls all functions of this 90mm-long light. I have 3Fenix lights and love them. No questions asked…a good company. As the title implies my Fenix LD 41 mode changing button stops working periodically.