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Looking at the photos, it is easy to mistake these batteries for AA cells, but they are not. 18650 batteries are about half again larger and have more than twice the voltage of an AA battery. I have a couple of tactical style flashlights that use these batteries and they hold a charge for months, even in the extreme temperature conditions of a car. These will go into a pair of video doorbells I have ordered and I expect good performance in that application as well.
Verified purchase: Yes | Condition: New
Bought this thinking it was a real Ultrafire product....it's just a cheap Chinese knock off. 1) When charging, it takes 4-5 hrs 2) Won't fully charge batteries. (Found this out when a bought a real charger) 3) Batteries won't hold a charge for more then 48 hrs,requiring you to recharge them. 4) Batteries last about 1/3 of the time as my Old Real Ultrafire batteries do. So the bottom line is Yes very cheap but you get what you pay for.
Verified purchase: Yes | Condition: New
I search the internet for the batteries I needed for my video doorbell. Was unsuccessful initially until I finally found this site. Most sites had the 3800 mAh but I needed the 6800 mAh. I thought it was never going to get to use my video doorbell until I found these. So far so good. Yes, I would recommend them for others that need this exact mAh.
Verified purchase: Yes | Condition: New
Works good for mytri vapor mod. Charger is slow but great for the price. Awsome for my first lithium battery limited experiance. A fasy charger is a must with these powerfull cells.
Verified purchase: Yes | Condition: New
I ran 2 capacity tests with 2 different testers on these batteries and although they look professional and are still usable, they're only 1250mAh, NOT 3000 mAh. The testers I used were the XTAR VC4 and the ZB2L3. They look pretty and as long as you keep in mind the capacity of these, you can still design around them.
Verified purchase: Yes | Condition: New
