Below, we will list out all the specs of these top performers. The best 18650 batteries will differ depending on your needs. There is a lot to discover about the way vape batteries and technology can affect your vape. In this list of batteries, you will only find the best vape batteries that are going to give you that all day or all week vape life. We are either looking to extend battery life or you need stronger batteries for handling the biggest clouds of vapor your vape device is capable of. The Panasonic-Sanyo GA, and the Samsung 30Q are both not currently functioning with this tool.Many vapers are shopping for the best vape batteries and it’s no mystery why. What cells are currently known to not work with this tool? Please send us a message via our contact form so we can investigate further. It's very possible our tool is incomplete, but it is also possible you have a counterfeit cell. My cell says "invalid date code" - should I worry? Thank you /u/Player1Dad for this question. Please enter the letter O instead of the number 0. My brown lg's start with 0329k The tool requires a letter in the first slot though, what should I do?Īctually the first character is the letter 'O' as in Ohm, not the numerical '0' zero. Yes, but please tell your friends about it! Everyone with an 18650 battery should look up its date before using it. We took what was available, along with our own internet sleuthing, and created this English version web app - free for all that have internet access. About a month ago on a popular Chinese forum an individual collected a bunch of resources together (many were screengrabs of spec sheets) and created an app to look up 18650 production dates. Where did you get this information to look up 18650 date codes?Ĭhinese language battery and flashlight forums. If you are stressing your battery (high temperature, high current) and it is getting old - you may want to think about a replacement. Many 18650 cells, including the Panasonic batteries in the Tesla Model S, are rated for up to seven years of use. A cell that has been properly stored for two years can still be a very good cell! It is often capacity fade that renders a cell unusable rather than more tangible deterioration (rust, leakage, scratches, etc.). There are many people who use their cells for many years and have no problems. My battery is more than 2 years old, is it dangerous? Most 18650 batteries can be happily stored for up to between 1 year to 2 years without a significant loss in capacity - but only if storage conditions are right. So if your cell is 6 months old or less at the time of purchase - it can be considered in "pristine condition" as the original manufacturer is confident enough to guarantee them at this age. If you are buying from a smaller distributor in China there is likely no guarantee.) At Battery Bro we have a 21-day guarantee. (Note: this is only when buying direct from a manufacturer. Typically the big manufacturers (Samsung, LG, etc.) will guarantee their cells for up to 6 months after production. Preface: It all depends on storage conditions (namely temperature, and then voltage). What does it mean if my 18650 battery is old at the time of purchase? If a cell is old you should be more cautious. Learning the date of production can also help you more accurately predict the cell's capacity without special tools.įinally - safety. It can also help you determine if the seller is honest about the production date of their cells. Looking up the date code of your cell can help confirm or deny whether it is a counterfeit or not. From individuals who are curious, to large manufacturers who want to verify their supply. Who can use this?Īnyone with an 18650 battery from Panasonic, Sanyo, LG, Samsung, or Sony can use this tool to find the date the cell was produced. Find out when your cell was produced just by entering part of the code found on its PVC wrapper. It's the first and only tool to look up the production date of any brand name 18650 battery. Everyone with an 18650 battery should look up its production date before using it.
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