![]() So be careful, and always think twice before buying 18650s from an unknown supplier That should be the first red flag, as no serious manufacturer would make this mistake. For example, the correct way to state pulse is as follows - the Samsung 25R has been rated at a pulse discharge of 65 amps for 1 second.Ĭounterfeiters and bad re-wrappers will often just state one of these numbers on their battery. A proper discharge rating is always a coupling of two variables - amperage and time. The truth about pulse discharge ratings is that they are almost always meaningless. Vapers can get away with pushing their batteries past their limit in what is known as "pulses". ![]() When counterfeiters misrepresent their battery specs, everyone loses. Every battery has a safe continuous discharge rating that really should not be exceeded. Are counterfeit Samsung 18650 batteries dangerous? So it is relatively inexpensive and easy for a criminal group to start counterfeiting 18650s. ![]() (No more hair-dryer at this point.) These are also about $500 each. These cost about $500.Īnd also big machines to heat-shrink the PVC. Also note the 4200mAh rating on this Ultrafire which is an energy density physically impossible with our current understanding of battery science.īig machines to cut the PVC. What do the large 18650 counterfeiters use? gif shows three stages of the wrapping process. With the Remington hair dryer, these Samsung PVC wraps, and some cheap cells you are ready to go. If someone wanted to start doing so, all they would need are some cheap low-grade cells (which are plentiful on Ebay) and a hairdryer. It makes it very easy for anyone to start counterfeiting this 18650 battery model. If they are all misprints, and Samsung's quality control denied them, it lends support to the theory in option 1 stated above. I think either option is similarly as likely without more evidence.Īs you might have noticed, the text 'ICR18650' seems a little faded towards the bottom. An established counterfeiter printed too many and decided to sell them on rather than throw them away. A factory contracted to make these tubes for Samsung created too many, and rather than throw away the excess, they sold them to an "after-hours" dealer. You guessed it - probably China, maybe Malaysia. ![]() They are being sold by a very popular online supplier for only $0.88 for 10. With these wrappers, you can make nearly any 18650 cell look like a genuine Samsung battery. These are very official looking Samsung PVC tubes being sold online. The specifications provided are often not attainable in vaping.A Samsung 22P wrapper sold online from China to anyone Please bear in mind that the Data Sheet information is presented in factory format and aimed at accumulator/battery pack builders. Please ask if you would like them emailed or included with your order. We hold the MSDS (Material Safety Data Sheet) and UN38.3 (UN Transport Testing) and data sheet files for all cells we stock. Always dispose of end of life cells at your local WEEE recycling centre or return them to us for free disposal.Do not expose to extreme heat or cold, or sudden fluctuations between the two.Replace worn or damaged wraps before continuing use. Check your wraps and insulators regularly.(The cut off for most cells is 2.8v or 2.5v) Never leave a battery charger unattended.Always use a battery charger designed for the cells you are charging.Do not short batteries with metallic objects.Never carry loose cells – they should be suitably cased at all times when not in use.Lithium-ion (Li-ion/Liion) batteries/cells can be dangerous when mistreated. Approximate Dimensions: 18.33mm x 64.85mm.
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