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Bench Test Results: Vapcell 32A 4200mAh 26650…same as good performing Aspire/Golisi/iJoy

Discussion in 'Batteries and Chargers' started by Mooch, Jan 13, 2018.

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  1. Mooch

    Mooch Electron Wrangler Verified Member ECF Veteran

    Supporting member
    May 13, 2015
    These tests below 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” 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.

    Testing batteries at their limits is dangerous and should never, ever, be attempted by anyone who has not thoroughly studied the dangers involved, understands the risks, has the proper equipment, and takes all appropriate safety precautions.

    Any rating in my ratings tables can change at any time as different grade cells appear on the market or we get swamped with fakes. 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.

    If the battery has only one unexplained current rating number, or if it only says "max", then I have to assume the battery is rated at that current level for any type of discharge, including continuous.

    8C9753B9-175B-4F6F-B33B-1FEE551ACD72.jpeg FB6213EB-A69E-45CD-9E8E-A84A952F5AC8.jpeg 23126B2F-E927-4874-91DF-169EA349F267.jpeg 85BDF666-F31B-4D63-BD19-0FBA256D020C.jpeg


    Bottom Line
    I am delighted to see the ratings on this cell. It looks and performs the same as the good cell wrapped by Aspire, Golisi, and iJoy for their 4200mAh-4300mAh rated 26650’s (when I tested them) but this Vapcell has its 32A continuous current rating clearly marked on the wrap and no “pulse” or “max” rating. This is fantastic and I hope more companies start doing this.

    I estimate this cell’s ratings to be 30A-32A and 4100mAh-4200mAh. As with many cells that are manufactured in China there is greater cell-cell variation than from Samsung, Sony, LG, and Panasonic/Sanyo. That makes it difficult to pick a single number for the ratings.

    Two cells were donated for the purposes of testing by Vapcell (Shenzhen VapCell Technology Co., Ltd.). Thank you!


    Continuous Current Discharge Graphs
    768FA194-8177-4EB0-9BC4-11CE5A7B1708.jpeg 55F2D034-C287-4A4A-9327-50B94408501F.jpeg


    Ratings Graphic
    F89E6209-565B-445E-A73C-27AECA78882D.jpeg


    Performance Specs
    • DC Internal Resistance = 20.8mOhms (milliohms) average for the two cells.
    • Total energy delivered down to 3.2V at 10A continuous = 13.0Wh (Watt-hours) average.
    • Total energy delivered down to 3.2V at 20A continuous = 10.9Wh (Watt-hours) average.
    • Total energy delivered down to 3.2V at 30A continuous = 6.8Wh (Watt-hours) average.


    Comments
    • Vapcell paid a fee to be moved to the front of the testing queue, which currently has a 10-12 week backlog. This cannot influence my test results as they pay in advance, have no say about what is in this report, and I don’t care if any company never does this or donates batteries again. My reputation is a lot more important than any battery donation or payment.
    • 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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