This Aspire cell uses the good performing Yong De Li New Energy Company YDL 26650D. Aspire owns (partially or fully) this company and they supply Aspire’s cells. This cell is rewrapped by other companies too.
Aspire doesn’t put a current rating on the wrap. They supply a paper insert with each cell, that has the ratings on it, but in my opinion this can become a safety issue. If someone other than the original buyer uses this cell then they do not know its current rating.
Aspire lists 20A continuous as “suitable” and 30A as “not suitable”. I am therefore giving it a 20A continuous rating. It could earn a higher rating but I will not give a cell a rating higher than the one given to it by the company that wraps it.
Aspire also gives it a “vaping simulation” (10 sec discharge, 5 sec rest) rating of 40A. For any cell though I recommend staying under the continuous current rating to reduce risks, extend overall cell life, and improve performance.
The capacity for the two cells I tested was 4185mAh and 4288mAh at 860mA (0.2C) down to 2.5V. This is terrible consistency but is typical for many China manufactured cells though and is below the claimed rating of 4300mAh. YDL rates this cell at 4200mAh minimum and 4300mAh typical but Aspire used the “typical” rating. Since I cannot have the lowest capacity cell in the batch, at 4185mAh, I am rating these cells at 4100mAh.
I purchased these two cells for testing.
Ratings graphic: https://imgur.com/a/SmTr3Qu
Full Test report: https://bit.ly/2G3o5RZ
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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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