Two completely different things. the 20A limit of the 25R made it reliable for most regulated mods, while the Sony VTC 5A are the norm for mech mods because of the 30A limit. Regardless of the capacity, since VTC5A are 2500mAh, just like the 25R.
Now, with the advent of the Samsung 30Q for the past year and a half, I've been using that. Brown LG have the same capacity but only a 15A limit while the Samsung 30Q has been tested by Mooch having 20A. 30Q are my battery of choice, can be had fairly inexpensively, while I keep my share of Sonys to power mechs or high powered 300W mods with attys. For the most part, except for the brown LG you can use them anywhere, and yes, I have some 25R still lying around after 2 years.
The CDR of the Sony VTC5A is only 25A, not 30A. The CDR of the Samsung 20S is 30A, and, in addition to that, down to 3.2V at 30A continuous the VTC5A can deliver only about 900mAh versus more than 1150mAh for the 20S so because the 20S hits noticeably harder at this kind of high current load, on the 18650 mech the 20S is the new kid in town.Two completely different things. the 20A limit of the 25R made it reliable for most regulated mods, while the Sony VTC 5A are the norm for mech mods because of the 30A limit. Regardless of the capacity, since VTC5A are 2500mAh, just like the 25R.
Now, with the advent of the Samsung 30Q for the past year and a half, I've been using that. Brown LG have the same capacity but only a 15A limit while the Samsung 30Q has been tested by Mooch having 20A. 30Q are my battery of choice, can be had fairly inexpensively, while I keep my share of Sonys to power mechs or high powered 300W mods with attys. For the most part, except for the brown LG you can use them anywhere, and yes, I have some 25R still lying around after 2 years.
Many people (me included) never pull anywhere near that much current from their cells.The CDR of the Sony VTC5A is only 25A, not 30A. The CDR of the Samsung 20S is 30A, and, in addition to that, down to 3.2V at 30A continuous the VTC5A can deliver only about 900mAh versus more than 1150mAh for the 20S so because the 20S hits noticeably harder at this kind of high current load, on the 18650 mech the 20S is the new kid in town.
As I said, only a buck more expensive so still pretty much equally dirt cheap, available also, reliable more so than the 25R because of the CDR difference (only 20A for the 25R versus 30A for the 20S). But two boatloads of extra performance in addition to that because the tests do show that, down to 3.2V, the 25R at 25A continuous discharge can deliver only about the same mAh that the VTC5A can deliver at 30A continuous discharge, and, anyone who listens to Mooch knows that you have to look a the Wh (watt-hours) instead of looking at the mAh measurement. Wh equals V multiplied by Ah. (Ah equals mAh divided by 1000.)As I said, cheap, available, reliable.
So you're claiming the 20S is underrated on mAh? Because the tests don't show that.
Or are you claiming I need 60a of battery for more money and less run time?
You spend your own money. I'll worry about mine, thank you.
Yes they're only 2000mAh, but because their voltage sag is so much smaller than that of the VTC5A, they run at a higher voltage than the VTC5A, all the way down to 3.2V, if discharging them at 30A.I've got a stack of 25Rs and VTC5a and they've served me well. I have a new love, though. Last month I picked up a few sets of Samsung 20S and have been using them exclusively in all of my mechs. They're only 2000 mAh but that 30A rating lets me build lower safer.
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Fantastic batteries. I always have a charged one on deck to swap out since they don't last quite as long. It's been worth it, though.
Sure, but if you're pulling only 15A per cell, then you still have no real reason to still get the 25R excepting only if you can't get the better cells due to where you live or due to whatever, like I already said. At 15A per cell, the cells that perform better than the 25R are fairly numerous (e.g. VTC6A, 24S, VTC6, 30Q, HG2).Many people (me included) never pull anywhere near that much current from their cells.![]()
At 30A, the 20S is clearly superior. But at 10A (and a lot of us vape at 10A or less!) the advantage at the beginning is rather minor, and it falls behind the others pretty quickly.Yes they're only 2000mAh, but because their voltage sag is so much smaller than that of the VTC5A, they run at a higher voltage than the VTC5A, all the way down to 3.2V, if discharging them at 30A.
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TBH, I would take an original VTC5 (no 'A') over a 25R.Sure, but if you're pulling only 15A per cell, then you still have no real reason to still get the 25R excepting only if you can't get the better cells due to where you live or due to whatever, like I already said. At 15A per cell, the cells that perform better than the 25R are fairly numerous (e.g. VTC6A, 24S, VTC6, 30Q, HG2).
I use them exclusively in mechs so I can build lower. I run higher mAh batts in my regulated devices.At 30A, the 20S is clearly superior. But at 10A (and a lot of us vape at 10A or less!) the advantage at the beginning is rather minor, and it falls behind the others pretty quickly.
Sure, at 10A the 3000mAh cells (VTC6, 30Q, HG2) are superior, and in fact I never said that they aren't, albeit the VTC6A is "only" 2900mAh, yet, despite that, at 10A the VTC6A outperforms all three of these 3000mAh cells. That is, by a fairly small margin, but the difference is there, and, what that means is there are at least 4 cells that, at 10A, outperform the 25R so thank you for proving my point, which was that the 25R is no longer worth getting excepting only etcetera again etcetera etcetera.At 30A, the 20S is clearly superior. But at 10A (and a lot of us vape at 10A or less!) the advantage at the beginning is rather minor, and it falls behind the others pretty quickly.
I'm sitting here puffing (not huffing!) on a mech squonker -- at 0.75Ω. I'll stick with 3000 mAh cells like 30Qs, HG2s and VTC6s, thank you very much.![]()
I disagree.the 25R is no longer worth getting
They have decent insulators for rewrapping batteries too so while you're there....lmrbatteries..com has the Samsung 25R for $5.00 right now. A deal if you buy enough to offset the shipping cost.
Samsung 25R 18650 2500mAh 20A Battery
LG browns haven't worked out for me. Runtime at 30w is less than 6 hours. 30Q last me a little longer AND more charge cycles. But that depends on the mod, vaping style and atty attached.20a? And that one is available where I order and only $1 more. Even the 15a is probably enough for me in single battery mods I just didn't trust seeing them stated as 15a and actually being 10a. I'm willing to give those a try next time I order.
My local is still stuck on the LG 3000mAh, I find they drop capacity quickly and soon you're charging longer for less time than the 25R. 25R doesn't have as much initial drop and then keep going. If the longevity of the 30Q is the same they could become a new favorite. I was just leery of 3000mAh claims because of the LGs.
At 15A per cell, the cells that perform better than the 25R are fairly numerous (e.g. VTC6A, 24S, VTC6, 30Q, HG2).
Sure, at 10A the 3000mAh cells (VTC6, 30Q, HG2) are superior
LG browns haven't worked out for me. Runtime at 30w is less than 6 hours. 30Q last me a little longer AND more charge cycles. But that depends on the mod, vaping style and atty attached.