Bench Test Results: Epoch 15A 3000mAh 18650…double wrapped Samsung 30Q

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Mooch

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  • May 13, 2015
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    These tests below only note my personal ESTIMATED ratings for the batteries I tested 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 property damage, personal injury, or even death. They are not supposed to be used outside of a fully protected battery pack and you use them at your own risk. Never exceed the battery’s true 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 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.

    C05A9D9A-198A-43EF-AFD9-43EBC02287AE.jpeg 2E9E5CF2-C6E5-4296-92FE-5D718422E99C.jpeg F5B4C765-BA6A-4E83-BBD1-8A08060A75CA.jpeg 7F8BCC7A-CE03-4E60-8089-69CD2B1AB8F0.jpeg 311E8E78-5757-4EA0-822C-6356832F8D25.jpeg


    Test Results
    This cell appears to be a double-wrapped version of the great performing Samsung 30Q.

    The two cells I tested delivered 3112mAh and 3115mAh. This is fantastic consistency, typical of cells from the major manufacturers, and easily meets this cell’s 3000mAh rating.

    Its 15A rating is the same as the Samsung 30Q. These cells actually performed a little bit better than most of the 30Q’s I have tested.

    The double wrapping makes this cell a little wider, about 18.5mm in diameter, but it provides better protection than the thin wrap on the Samsung 30Q.

    Two cells were donated for testing by 18650BatteryStore (18650 Battery Store - Lithium Ion Batteries, Chargers and Accessories). Thank you!


    Continuous Current Discharge Graphs
    31C3FF2C-368B-4E63-989A-962633232846.jpeg 79F4BC0A-7E79-490F-AD8B-077A43F2D086.jpeg


    Ratings and Performance Specs Graphic
    65F8C213-389C-431A-9B00-B1AD3ACF5D77.jpeg

    I want to work for the 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, battery and charger testing and news, and a say in what I test, then please consider becoming a patron and supporting my testing efforts: Battery Mooch is creating battery and device tests | Patreon.

    To see how other cells have tested check out this link: List of Battery Tests | E-Cigarette Forum
     
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