26800 lithium battery , 6600-6800mAh

This is not just a good battery, it's a great battery! They look like brand new and are about as deep a discharge current as you'll ever need, unless you're using your flashlight as a space heater. Simon measured them at 30A continuous. I use them in both of my M3-Cs and they perform flawlessly. We had a SCE power safety shut off, due to the Southern California wildfires in January that ran for 8 out of 10 days at one point. I pointed a M3-C at the ceiling in my dining room, on a silicone coaster of course, and ran it at about 35-40% power (XHP70.3 HI R9050, temp 4000K) for ~12 hours every day. There was never a hiccup and I don't think I ever went through more than 3 or 4 of these the entire time. (I have at least a dozen, probably more.) Get 'em while you can, dirt cheap for around $6 US with the qty discount.

This is not just a g