These are garbage
"Out of 5 of these, they all test between 550-580 Mah."



UltraFire Battery LC14500 3.6V
| Brand | UltraFire |
| SKU | ULTRAFIRE-PROTECTED-14500 |
| MPN | ULTRAFIRE-PROTECTED-14500 |
| Size | 14500 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 900 |
| Chemistry | Li-Ion |
| Sub-Chemistry | LiCoO2 ICR |
| Shelf Life | 3 Years |
| Packaging | Bulk |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
| Size | 14500 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 900 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Equivalent Types | 14500, AA, Lithium-Ion AA |
| Weight | 0.8 oz (23 g) |
| Shipping Weight | 0.05 lb |
| Packaging | Bulk |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Overall rating: 3.9473684 / 5 from 19 reviews.
Review topics: ["light","output","batteries","price","mah","works"].
"Out of 5 of these, they all test between 550-580 Mah."
"These batteries are 3mm longer than other 14500 batteries I've purchased and won't fit in the battery compartment for the use I had for them."
"Bought these to power 1 cell flash lights. This makes the light burn brighter and longer."
"These batteries seem to be dangerous as they get hot when charging, even at 500 mAh. I use an Xtar Dragon charger. The batteries are obviously defective because some of them get hot and some don't when charging at the same rate. I guess I should have listened to the name of these batteries, Ultrafire, before I bought them but I was new to the battery market at that time, so I had no idea."
"Bought two for my LD11 back in 2015. I work nights and only used these two batteries. The negative contact on both has warn off in the center and they no longer charge."
"A long lasting battery at a fair price."
"Bought specifically for a Coast flashlight to increase its output. Works great."
"Great batteries for those items that can handle these, as they are really powerful. Have used them extensively on high discharge flashlights than can handle them, but am migrating to batteries that have built in micro-usb chargers built into them for some other uses. These have their place though in items that can handle the high output and take several batteries (easier to recharge these with a charger than to do 4 batteries with micro-usb cords running all over the place). Toss up for me on having access to a good charger or the micro-usb cords, so I have alot of these and they serve me well. I like the 900 mAh in these versus the micro-usb batteries built in which have lesser mAh. If you are going to have access to a charger that can handle these batteries, then get some of these."
"Love the batteries, have purchased them before from you and back for more. Great products all around. Have been buying from Your company for some years now. What I REALLY like is the service!!! Whenever I call , no matter the reason, I receive competent, courteous service and my questions are answered and issues, if any, resolved expediently. Well done. Thanks, Jim"
"I have these in a JETBEAM-JET-1-MK that I carry in my Leatherman surge belt case (tight fit but very capable little light) and also a Thrunight Archer 1A v3. Works great in both and noticeably more output than AA cell."
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