A BATTERY MOOCH POST: Samsung 24S 18650…fantastic, hard hitting 18650, beats VTC5A/5D/6A

This is a great performing “power” cell for unregulated/mechanical devices. As of May 2018 it hits harder than any other 18650 except the Samsung 20S down to about 3.4V. Below that point the 24S’ greater capacity holds its voltage up for longer.

At 25A the Samsung 20S is the clear winner. In the 15A-20A range it is a close race between the 24S and the VTC5A/5D/6A. You’ll have to test them to see which performs better for the way you vape.

I have often seen the 24S referred to as a 30A cell but it operates several degrees-C hotter than the 30A-rated Samsung 20S. In my opinion, the temperature difference between the 20S and 24S indicates to me that the 24S has a lower rating.

Typically, when the capacity of a battery goes up the current rating goes down as both of those require more room in the cell to be increased. The 20S has the higher current rating but the 24S has the higher capacity.

I don’t have the datasheet yet to know Samsung’s ratings but I am estimating them to be 25A continuous and 2300mAh minimum and 2400mAh typical. If needed, these ratings will be adjusted once I see the datasheet.

Two cells were donated for the purposes of testing by Vapcell (www.vapcelltech.com). Thank you!

Ratings graphic: https://imgur.com/a/tmEAHSb

Test report: https://www.e-cigarette-forum.com/threads/bench-test-results-samsung-24s-18650-fantastic-hard-hitting-18650-beats-vtc5a-5d-6a.864401/

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: https://www.patreon.com/batterymooch

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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Author: John Muchow