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Bench Test Results: Molicel P26A 35A 2600mAh 18650...only 25A but beats VTC5A, equals 25S

Discussion in 'Batteries and Chargers' started by Mooch, Oct 8, 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, Murata, LG, Panasonic, Molicel, 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.

    4C550935-3D2E-46EC-87C1-305B639ADA3E.jpeg 03F40497-3868-4A86-8F5D-4A846CF348AF.jpeg E54D00CC-2CD9-4058-ABCE-AEAB34A07E1F.jpeg 8A24C089-3986-433E-85A7-12B84A997B53.jpeg

    Bottom Line
    This appears to be the cell that was rewrapped for the green Vapcell 25A 2600mAh and Ampking 35A-45A 2600mAh cells. It is a great performer that beats the Sony VTC5A, equals the Samsung 25S, and almost equals the Samsung 24S or Sony VTC6A.

    E-One Moli Energy Corp. (“Moli”) and N-Power Energy, Ltd (their distributor for the vaping community) sent me four cells from Taiwan for testing that they said were Grade A. This will allow me to detect when a battery wrapping company is using unauthorized lower grade cells.

    Moli won’t be making this cell directly available to us in its original wrapper, due to agreements with their existing customers, but it is rewrapped by at least two companies so far.

    The datasheet for this cell lists it as having a 35A “maximum discharging current” rating. This should be considered just a capability of the cell and not the true continuous rating. The cell almost reaches the boiling point of water at 35A continuous and that is much too high a temperature for 35A continuous to be a rating that ensures good cycle life.

    The datasheet lists the minimum capacity at 2500mAh and typical capacity at 2600mAh. The four Molicels I tested delivered 2629mAh - 2641mAh at 520mA (0.2C) down to 2.5V. This is fantastic consistency.

    I am rating this Molicel at 25A and 2600mAh.

    Four cells were donated for the purposes of testing by Moli (Molicel-E-One Moli Energy Corp-Company Profile) and N-Power Energy, Ltd. Thank you!

    Continuous Current Discharge Graphs
    3F9F4537-0D1D-4547-B5C0-3A5AC6659CD6.jpeg 26F0D83B-8CB4-4ADD-9E29-6213C7A5502B.jpeg

    Ratings Graphic

    Performance Specs
    - DC Internal Resistance = 19.0mOhms (milliohms) average for the two cells.
    - Total energy delivered down to 3.2V at 10A continuous = 7.6Wh
    - Total energy delivered down to 3.2V at 20A continuous = 6.0Wh

    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
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