i have an eleaf 100w mod with an aspire Atlantis tank with a .5 coil. My battery 3.7 volt Li-MN that has a maximum continuous discharge of 25 amps. I currently vape on 4.6 Volts, over the battery specifications but my amp output according to an online calculator is 9 amps. Is this safe or do I need a better battery and if so, any suggestions? Thank you!
Need help with batteries
- Thread starter Edgelife5
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On paper, if you are vaping a 25 amp battery at 9 amps, you are nicely in the safe zone. 
You have two batteries though? and they are both made by?
3.7v batteries are 4.2v when fully charged and 4.6v is nothing unless you have a very low resistance coil (under 0.3 ohms or lower, at a rough guess).
You have two batteries though? and they are both made by?
3.7v batteries are 4.2v when fully charged and 4.6v is nothing unless you have a very low resistance coil (under 0.3 ohms or lower, at a rough guess).
The batteries supply power (input) to the chip/regulator/buck/boost circuitry which supplies whatever user settings (output) to the delivery device.
Using a regulated power device resistance is almost irrelevant, the amp drain on the batteries will be highest near or at the power devices low voltage cutoff.
What specific batteries are you using?
What power level(s) do you use?
Using a regulated power device resistance is almost irrelevant, the amp drain on the batteries will be highest near or at the power devices low voltage cutoff.
What specific batteries are you using?
What power level(s) do you use?
Hi @Edgelife5 and welcome to the forum. You didn't mention what brand of battery and I am unaware of any 25 amp continous discharge batteries. I do know there are some unscrupulous battery vendors who sell re wrapped seconds and thirds of another manufacturer as their own and inflate their specs. You can read about batteries here:
18650 Battery Ratings -- Picking a Safe Battery to Vape With | E-Cigarette Forum
All 30A-Capable Batteries Shootout -- Bench Test Results -- Which battery is best?
Baditude's blog | E-Cigarette Forum
Mooch's blog | E-Cigarette Forum
Where to buy in USA
Illumn.com - Flashlights, Batteries, Carry Gear, Intelligent LED Lighting, and More! (California)
Authentic AW Batteries - RTD Vapor (Pennsylvania)
Liion Wholesale Batteries | Li-ion battery distributor (Pennsylvania)
18650 Batteries | Rechargeable Li-ion | Battery Chargers (Florida)
Earth's #1 source for IMR 18650 Batteries, Chargers, Cases & Wraps | IMRbatteries.com (Texas)
18650 Battery Ratings -- Picking a Safe Battery to Vape With | E-Cigarette Forum
All 30A-Capable Batteries Shootout -- Bench Test Results -- Which battery is best?
Baditude's blog | E-Cigarette Forum
Mooch's blog | E-Cigarette Forum
Where to buy in USA
Illumn.com - Flashlights, Batteries, Carry Gear, Intelligent LED Lighting, and More! (California)
Authentic AW Batteries - RTD Vapor (Pennsylvania)
Liion Wholesale Batteries | Li-ion battery distributor (Pennsylvania)
18650 Batteries | Rechargeable Li-ion | Battery Chargers (Florida)
Earth's #1 source for IMR 18650 Batteries, Chargers, Cases & Wraps | IMRbatteries.com (Texas)
9 amps should be safe on any vape capable battery, and LiMn is IMR chemistry, which is good news. Still, I'd feel safer if you posted the brand name and any specs or numbers on the cell, or a photo showing the same. It seems unlikely you actually have a 25A battery. They exist, but in most cases this is an overrate by a re-wrapper. It might only be a 10A batter by CDR rating. 9amps is within this limit, but closer than I like to get personally.
Eizfan batteries, 2500 m/Ah, maximum pulse discharge- 35A, maximum continuos discharge current- 25A, both batteries are a 3.7 VoLT. I was wondering with that, would you add both batteries for it to where the max voltage I can have is 7.4. I'm new to this whole battery thing. @suprtrkr @Topwater Elvis
Yes that's fine. As for list of good batteries, chech Mooch;
watts = volts x volts / ohms
watts = 4.6 x 4.6 / 0.5 = 42 watts
amps = watts/volts = 9 amps to the coil.
You actual amp draw from your batteries is actually only about 5 amps per battery; your batteries (istick 100) are in parallel.
What do you think is the highest watts I could safely vape on, cause I'm wanting to go higher I just don't know how high exactly. Thank you btw
How high of wattage you can go depends just as much on the coil as the batteries.
Realistically, those batteries are 20A batteries. Since there are two of them, you can run them up to 120 watts before you are at the limits of the batteries. Since your mod can't go that high, you could take them up to 100 watts(the limit on your mod).
Now, just because your batteries can go up that high, it doesn't mean your coil can. If you want to run that high, you need to be sure you have a coil designed for it. The easiest way is to use an RDA and build your own coils. This will take some learning to figure out, but it is worth it. If you wanted to go with prebuilt coils, you can go with a tank like the TFV4 and have coils that can run to high wattage.
With a .5ohm coil the maximum amperage you can draw on that mod is 14.3 amps including what the chip uses. Well within the safe limits of a 20A battery. You could go down to a .3ohm coil, but that's starting to push the batteries pretty hard at 18.4 amps. It will work safely, but you'll probably end up shortening the lifespan of the batteries running it there.
In terms of batteries, you can consider most decent batteries to be safe for 40 watts.
With 2 batteries in your istick 100, that's a total of 80 watts ( 40 watts per battery).
For 80 watts off a single battery you'd need top of the line batteries.
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