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Bench Test Results: Aspire Unrated 1100mAh Flat Top 18350...a good 9A battery

Discussion in 'Batteries and Chargers' started by Mooch, Jun 15, 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 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.

    If the battery has only one 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.

    942B0E45-AF01-475F-A13D-EA5AFF29BA8E.jpeg C0E5265E-04C6-4703-BB9B-DDD9955B1223.jpeg 11B4B305-731D-4A8E-9F25-3F6BF1AD9BC8.jpeg 9BFD5053-C9B2-4970-8FD5-2E5ACEF2B18A.jpeg 484ABC4F-69BB-4390-A4E1-98316888F9CC.jpeg


    Bottom Line
    While not perfoming quite as well as the Vapcell 1100mAh in my testing this is a pretty good 18350. It delivers a bit less total energy, its Wh (watt-hour) spec, and runs a touch hotter than the Vapcell so I have given it a slightly lower current rating than the Vapcell.

    Aspire does not list the ratings on the cell’s wrap but does include a paper insert that seems to indicate that they rate it at 10A. The insert also mentions a 15A “Vaping Simulation” rating using 10 second pulses spaced 5 seconds apart.

    I really wish Aspire put the current rating on the cell as it is easy to lose the paper insert, leaving us with a cell with no rating. This can be a safety issue as well as a performance one.

    The performance of any 18350 really suffers at high current levels like 15A due to their very high internal resistance, leading to huge voltage sag. I recommend staying under their continuous current rating. This results in much more efficient operation and much longer vaping time.

    The two cells I tested delivered 1154mAh and 1166mAh at 0.2A down to 3.2V.

    I am estimating this Aspire’s ratings at 9A and 1100mAh. Current ratings for high internal resistance cells like these are a combination of the temperature the cell runs at and how badly the voltage sags, i.e., its Wh specs.

    This is the second in a group of seven 18350’s I am testing and I will be posting a shootout between all of them after the individual test reports are posted. The top three performers will then be identified.

    Two cells were purchased for the purposes of testing by me.


    Continuous Current Discharge Graph
    38B5723F-66A9-4240-B010-15DEE093D54E.jpeg


    Ratings Graphic
    36AD786E-CE66-4595-9AE9-1AC44E712EFA.jpeg


    Performance Specs
    - DC Internal Resistance = 44.3mOhms (milliohms) average for the two cells.
    - Total energy delivered down to 3.2V at 5A continuous = 2.3Wh (Watt-hours) average
    - Total energy delivered down to 3.2V at 10A continuous = 1.3Wh (Watt-hours) average

    I want to work for the vaping community full time! If you feel what I do is worth a couple dollars a month and you would like early access to battery availability and testing news and a say in what I test then please consider becoming a patron and supporting my testing efforts: Battery Mooch is creating battery tests and educating vapers | Patreon

    To see how other cells have tested check out this link: List of Battery Tests | E-Cigarette Forum
     
    • Like Like x 3
  2. batteredwombat

    batteredwombat Super Member Verified Member ECF Veteran

    Feb 18, 2015
    Are these the same cells as keeppower 1200 mah 18350?
     
  3. Mooch

    Mooch Electron Wrangler Verified Member ECF Veteran

    Supporting member
    May 13, 2015
    No.
    Different performance and appearance.
     
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