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Регистрация: 03.07.2010 Последняя активность: 10.10.2022 08:53 Адрес: Copenhagen, Denmark
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Test/Review of UltraFire SJ18650 6000mAh (Black) 2015
UltraFire SJ18650 6000mAh (Black) 2015
Official specifications:
The cell is not surprisingly significantly below specified capacity. The promised protection is missing. The wrapper says that the battery is protection, this is not correct. Mot much capacity, especially notif you need a couple of amperes. This cell has less capacity than the 2014 version of the same cell. The two cells do track, but not very well. Conclusion A cheap cell in bad quality, but I did already know that before I tested the cell. The disassembly did also confirm it (see link below). The rating is, of course, that it is a badcell, but in another way than the red/silver Ultrafire I also disassembled. This cell is produced to be cheap, the red/silver is made from old cell. Notes and links Last years review of same cell I disassembled the battery to see whats inside How is the test done and how to read the charts How is a protected LiIon battery constructed More about button top and flat top batteries Compare to 18650 and other batteries
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