Battery and Sub Ohming

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Xatrinia

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May 22, 2016
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Alberta, Canada
Well I did something I said I wasn't going to do ('cause I got a good deal) and bought a sub Ohm tank. I have an Atlantis 2 from Aspire - after doing some research on my device to make sure it could handle it, which it can. (ipv D2 75w mod - which the Atlantis looks hilarious on 'cause it's almost as tall as the mod)

What I didn't check, and have no idea where to go or how to know if it's good enough - is the battery. I do not want to be one of those guys who sub ohm and something going wrong, especially when I'm brand new - truth be told I should have been smart and said "no thank you".

So... anyways...

I have an efest battery 18650 2500mAH with a discharge current of 20A/35A -- this is unfortunately gibberish to me, even though I've tried to learn what it means. I don't know if this is good enough for this tank. It works great for my Triton mini, but I'm terrified to use it with my Atlantis 2.

Is this battery okay, or should I wait until I can get a better one?
 

Xatrinia

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May 22, 2016
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Alberta, Canada
yeah I saw someone post something similar about batteries before me (it just said help so I didn't read it until I started going through the forum) - but the answers and the link about figuring out the discharge rate just confused the hell out of me because I can't keep numbers straight in my brain, and numbers to me don't make sense at all - I'm feeling very stupid right now for a lot of reasons, but I'm trying to figure it out. I'm a bit frustrated it's not making sense.
 

speedy_r6

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As long as you stay under 50 watts, you should be fine. That being said, I would still get some name brand cells rated for 20 amps if you plan on staying around 50 watts, or sony VTC4 or LG HD2 batteries if you are going to run near 75 watts. Personally, I prefer LG batteries, but I don't run my batteries near their limits.

If you go look at the following page, it is a list of tests by a member here. Mooch does an amazing job with his testing. Just reading the titles should tell you the real limit of the battery. To figure out the amps you are drawing, divide the wattage you are running at by 3. If you are running 45 watts, divide that by 3 and you are pulling roughly 15 amps from the battery. In that case, you would want a battery capable of providing AT LEAST that many amps. If you want to be sure you won't be drawing too much power from your battery, you will need at least a 25 amp battery. Whatever you do, make sure you get your batteries from a reputable vendor. I always use orbtronic.com

List of Battery Tests | E-Cigarette Forum
 

Susan~S

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There are only a few battery manufacturers in the world who make their own "cells", including LG, Samsung, Sony, Panasonic & Sanyo.

All the other brands on the market buy the second and third tier cells from those manufacturers and re-wrap them under their own brand. These are "second and/or third tier cells" which did not meet the higher standards of the original manufacturer. In order to compete with the original manufacturers' batteries (first tier), these other companies feel obligated to publish specifications which are inflated to make them appear superior to those of the original manufacturer.

When using a regulated mod the resistance of the coil doesn't come into play as far as safety. It's the max wattage you vape at that counts.
@Mooch is is the battery expert here on ECF. You can check his battery blog posts for bench tests and other battery related blog posts.

image-jpeg.555235
 

IMFire3605

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May 3, 2013
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Blue Rapids, KS, US
Well I did something I said I wasn't going to do ('cause I got a good deal) and bought a sub Ohm tank. I have an Atlantis 2 from Aspire - after doing some research on my device to make sure it could handle it, which it can. (iPV D2 75w mod - which the Atlantis looks hilarious on 'cause it's almost as tall as the mod)

What I didn't check, and have no idea where to go or how to know if it's good enough - is the battery. I do not want to be one of those guys who sub ohm and something going wrong, especially when I'm brand new - truth be told I should have been smart and said "no thank you".

So... anyways...

I have an efest battery 18650 2500mAH with a discharge current of 20A/35A -- this is unfortunately gibberish to me, even though I've tried to learn what it means. I don't know if this is good enough for this tank. It works great for my Triton mini, but I'm terrified to use it with my Atlantis 2.

Is this battery okay, or should I wait until I can get a better one?

Well to start, to put your mind to rest, the IPV D2 is a regulated mod, so, 99% of the time if there is an "UHOH" moment, the chipset should either shut down on its own or fry before the battery tries to launch to the moon. Most regulated mods, shutdown at a battery voltage of about 3.0 to 3.6v charge (remember these figures because they are important for the rest, with a regulated mod to tell if the mod with battery combination is safe, use the "Continuous Discharge Rating (aka CDR)" for all your calculations, as you stated you have to amp ratings for those Efest 20amp (CDR) and 35amp (Short Pulse Discharge). We now have two main figures, depending on your mod, find out what its shutoff voltage is, we have the max CDR the battery can handle its entire discharge (20amps), now we use what is known as "Watt's Law" which is a simple formula (Wattage/Voltage=Max Amps), a regulated mod pulls the most amps at the lowest battery charge (remember those 3.0 to 3.6volts figures)

75watts/3.0volts=25amps as an example <---30amp True CDR batteries like the Sony VTC3, LG HB2, HB4, HB6, as well as the LG HD2C (2000mah 25amp CDR), and the Sony VTC4 (2100mah, 20amp to 28amp Max CDR) can handle this load flawlessly
60watts/3.0volts=20amps <---Any 20amp or higher battery can handle this, especially, mind twister to make you think what is under that purple efest battery wrap, LG HE2/HE4 (2500mah, 20amp CDR, 35amp PDR), Samsung 25R (2500mah, 20amp CDR, 35 to 40amp PDR) notice a couple similarities there, best 2 batteries if you are not going above 60watts (LG HG2 chocolate browns 3000mah, 20amp CDR, and the Samsung 30Q lavenders 3000mah, 20amp CDR. 9 times out of 10 staying with authentic A Bin Manufacturers saves a lot of research and gain a whole lot of safety, for half the price of a re-brand battery that did not pass muster with the authentic manufacturer, these manufacturers are Sony, LG, Samsung, and Panasonic (Sanyo)
 

Xatrinia

Full Member
May 22, 2016
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Alberta, Canada
@IMFire3605

Okay that makes sense. That's what I was trying to figure out, but didn't understand how to make them make sense. I'm sorry if I'm coming across as a total n00b, but I didn't want to make a mistake.

Now, the problem is - I can't buy online unless they do direct banking, and since most online vendors don't do that - I'm crud out of luck. My local "vendors" are doing the best they can with the restrictions and lack of interest - but they aren't there to help me. If I went to them and asked "hey, can this battery handle this?" They'd tell me "oh yeah no problem!" and then I'd have an accident 'cause they don't know! They have the product, but know jack about what they're selling other than the absolute basics.

This is why I came here, and risked sounding like an idiot (which I appreciate you guys not making me feel like one :) ) because there are vendors out there who DON'T give a crap about safety. They're not selling good quality batteries, they're not telling you what your battery can handle, and if you ask - you could have a failure because they'll tell you "no problem."

I'm very thankful for the help, thank you, thank you, thank you. I'm going to ask my fiance to order some in, but Canada is strict on batteries. I'll have to go through that list I got and see if there's a vendor.
 

IMFire3605

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May 3, 2013
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Blue Rapids, KS, US
@IMFire3605

I'm sorry if I'm coming across as a total n00b, but I didn't want to make a mistake.

One of the many principles I learned in the military and I use still to this day, only stupid question is the one not asked and moving to an uneducated assumption which generally leads to an "UHOH". Battery safety is one topic especially that to me there can never be to many questions asked, more information = better judgement with batteries and chargers, have to remember these highly volatile storage units are right near you, they go, they go and with a heck of a lot of collateral damage around their area of effect. Efest batteries are notorious for being sub-par, so dcfluegel above posted, glad you asked. I would rather spending a night posting or sending PMs back and forth to help you get a grasp and understanding to make a much more educated and safer decision than leave things to chance.

I studied a few posts in the Canada Sub-Forums, and given your situation, one of my top suggested battery suppliers here in the USA do ship by ground to Canada, which is illumination supply (illumn.com). I imagine you all have access to pre-paid/rechargeable Credit/Debit cards, which is an excellent online purchase counter-measure many of us use here. Get on illumn's website, fill out your order up to the point of payment, get your whole total including shipping charges, buy and charge up the pre-paid card for that exact amount or about 10% over whichever you feel comfortable with, then use it to complete the purchase. Then on, use that Pre-paid for any online purchases, only time it has funds on it, when you need to make a purchase ;)

Welcome to the ECF, and hope you make it a home like many of us have here.
 

Empress Kitty

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ECF Veteran
@IMFire3605

Okay that makes sense. That's what I was trying to figure out, but didn't understand how to make them make sense. I'm sorry if I'm coming across as a total n00b, but I didn't want to make a mistake.

Now, the problem is - I can't buy online unless they do direct banking, and since most online vendors don't do that - I'm crud out of luck. My local "vendors" are doing the best they can with the restrictions and lack of interest - but they aren't there to help me. If I went to them and asked "hey, can this battery handle this?" They'd tell me "oh yeah no problem!" and then I'd have an accident 'cause they don't know! They have the product, but know jack about what they're selling other than the absolute basics.

This is why I came here, and risked sounding like an idiot (which I appreciate you guys not making me feel like one :) ) because there are vendors out there who DON'T give a crap about safety. They're not selling good quality batteries, they're not telling you what your battery can handle, and if you ask - you could have a failure because they'll tell you "no problem."

I'm very thankful for the help, thank you, thank you, thank you. I'm going to ask my fiance to order some in, but Canada is strict on batteries. I'll have to go through that list I got and see if there's a vendor.

Is PayPal not an option? <~~~ Possible noob question because I don't know about buying ecig supplies in Canada. ^.~ you aren't to only one who "doesn't know" something!

I'm glad you are trying to be responsible and stay safe. That's a big deal. It makes you SMART, so any questions asked for the purpose of being safe are by default, SMART QUESTIONS ^.~
 

Xatrinia

Full Member
May 22, 2016
29
38
38
Alberta, Canada
my bank won't give void cheques for paypal for some reason. I have nasty anxiety so I didn't want to probe into why - and ecigs can't be bought with paypal anyways for some reason as well.

Now my biggest issue - I went in to buy exactly what I have now as a back up ... they didn't have it so they up sold me this tank and I really don't need it, but I've already taken it out, cleaned it and messed with a little bit, but didn't use it or fill it with liquid. I'm going to keep it for cloud chasing when I'm a little more comfortable with vaping, but now it's a "back up back up"
 

Empress Kitty

Supreme Empress of Earth
ECF Veteran
my bank won't give void cheques for paypal for some reason. I have nasty anxiety so I didn't want to probe into why - and ecigs can't be bought with paypal anyways for some reason as well.

Now my biggest issue - I went in to buy exactly what I have now as a back up ... they didn't have it so they up sold me this tank and I really don't need it, but I've already taken it out, cleaned it and messed with a little bit, but didn't use it or fill it with liquid. I'm going to keep it for cloud chasing when I'm a little more comfortable with vaping, but now it's a "back up back up"

The people here are awesome and I'm sure they will help you get into your groove in no time! Good luck!
 
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IMFire3605

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18650 Li-ion batteries are just that, batteries, so fall under Paypal's battery purchase regulations. For Canada from what I am reading, batteries "Can Not" be shipped by air, but by only boat and ground, the packaging for Canadian Customs has to have on the label the package contains "Lithium Ion Batteries" or "Li-ion Batteries" due to your Hazardous Materials Laws and Rules up there, so illumn.com for certain ships via ground with proper labelling from what I am reading. A Pre-paid Visa Debit/Credit Card, if there is a dispute it is Visa or the Bank that issues the reloadable card is the arbitrator in that instance, receipt at the vendor/bank your recharge the card at upon loading the card, so it makes a viable option for you for hardware, nicotine liquids on the other hand are another matter I know for certain, so I am tagging @retired1 and @Ryedan , a couple over resident Canadians, hopefully they have more information for you as well.
 

medleypat

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@IMFire3605

Okay that makes sense. That's what I was trying to figure out, but didn't understand how to make them make sense. I'm sorry if I'm coming across as a total n00b, but I didn't want to make a mistake.

Now, the problem is - I can't buy online unless they do direct banking, and since most online vendors don't do that - I'm crud out of luck. My local "vendors" are doing the best they can with the restrictions and lack of interest - but they aren't there to help me. If I went to them and asked "hey, can this battery handle this?" They'd tell me "oh yeah no problem!" and then I'd have an accident 'cause they don't know! They have the product, but know jack about what they're selling other than the absolute basics.

This is why I came here, and risked sounding like an idiot (which I appreciate you guys not making me feel like one :) ) because there are vendors out there who DON'T give a crap about safety. They're not selling good quality batteries, they're not telling you what your battery can handle, and if you ask - you could have a failure because they'll tell you "no problem."

I'm very thankful for the help, thank you, thank you, thank you. I'm going to ask my fiance to order some in, but Canada is strict on batteries. I'll have to go through that list I got and see if there's a vendor.
Always remember there is no dumb questions when it comes to safety
 
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