These cells appear identical to the other five-“leg” top contact cells being used by several companies. It runs hotter but performs a little better than the ones I have tested previously. I do not know if this is unique to the batch of cells VRK is using or if all the five-leg cells are now performing this way. Retesting of the others will be done but I do not know when.
These VRK cells have a paper top ring insulator that absorbs eliquid. This might weaken the ring and if the eliquid absorbs moisture then rust can form under the ring. If using this cell do not let eliquid get on the top of it.
This cell is a decent performer but runs too hot to be rated 30A in my opinion. It also showed a big difference between the two cells in the delivered Wh at high current levels.
The two cells I tested delivered 2959mAh and 3023mAh at 600mA down to 2.5V. It cannot be considered a 3000mAh cell.
I am ESTIMATING this VRK’s ratings to be 25A continuous and 2900mAh.
Two cells were purchased for the purposes of testing by me.
Ratings graphic: https://imgur.com/a/ZU9hpEg
Test report: https://bit.ly/2vQo8Me
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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, LG, Panasonic, 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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