I’m testing this cell because I believe it’s the one rewrapped by other companies.
The Yong De Li New Energy Co. (YDL) rates this cell at 15A “max. discharge current” in the datasheet. But at 15A continuous it only delivers about 60mAh down to 3.2V (a common cutoff voltage for vapers). The voltage sag is huge if you go above about 10A with this cell.
I am giving this cell a 10A continuous current rating. To extend cell life, minimize voltage sag, and increase your safety margin, I recommend staying at 7A-10A or under per cell. That’s about 20W-30W per cell. This is one of the best performing 18350’s but they are a poor choice for anything above low power levels.
The two cells I tested delivered 1101mAh and 1121mAh. I am rating this cell at 1100mAh.
Like all 18350’s I’ve tested the cell-to-cell performance consistency for this YDL cell is not good. There’s not a huge difference between cells but you might notice it if you have one of the better ones and one of the worst ones.
Two cells were donated for the purposes of testing by a source that prefers to remain anonymous. Thank you!
Ratings graphic: https://imgur.com/a/Ce7Ql4v
Test report: https://bit.ly/2Z0EzGE
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These tests only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” batteries or batteries from other manufacturers so carefully research any battery you are considering using before purchasing.
Misusing or mishandling lithium-ion batteries can pose a SERIOUS RISK of personal injury or property damage. They are not meant to be used outside of a protected battery pack. Never exceed the battery’s continuous current rating and keep the plastic wrap and top insulating ring in perfect condition.
Any rating in my ratings tables can change at any time as different grade cells appear on the market, we get swamped with fakes, or new information becomes available to me. Please, never assume that the ratings in the tables are permanent and will never change! Always download the latest version before considering any cell purchase.
To see how other cells have tested check out this link: https://www.e-cigarette-forum.com/forum/blog-entry/list-of-battery-tests.7436/
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