Batteries for a 50w Regulated Device

[Waddle]

I'm looking to buy a decent quality regulated 50w mod. I have no intention of ever running it at 50w but more like around 30w maximum. I am looking more for build quality than super high watts. And 20w mods just are not that much of a step-up from my mechanical mod with a kick (12w). And the 30w mods are almost the same price as the 50w mods these days. I'd rather have the power and not need it, then to need it and not have it. I can always buy extra batteries if needed. But I digress.

According to Ohms law, if I run a ~ 1 ohm coil at 30 watts I should only be drawing ~ 5.5A. However most manufacturers are suggesting 30A batteries for 50w mods.

If I never go over the above parameters would I not be able to get by on my 10A batteries (e.g. Efest or AW 18650s)? Do I really need to run Sony VTC4/5 batteries?

Regards!

 

[vaperXant]

Well, These are Chinese devices that are pushing 50 W mostly at the moment. There not the most reliable manufactures, and theres been a lot of talk about how bad the internal soldiers and build quality is. Its unknown how they will hold up in the long run, I bought a IPV2 and I love it but I have had issues earlier with voltage spikes/drops for no real apparent reason. Imagine a situation where you have something go wrong and your device fire much higher then what your telling it to. I know you think you may never wanna use 50 W, but I use to use a MVP2 and never thought I want to either. Now I use between 30-50 W all day, not really ever below that. Its so cheap for a VTC5 that if your going to spend 100 for the device, you may as well go an extra 10 for safety. I would say its necessary. these are very powerful devices that aren't that tested.

 

[caged]

I'm looking to buy a decent quality regulated 50w mod. I have no intention of ever running it at 50w but more like around 30w maximum. I am looking more for build quality than super high watts. And 20w mods just are not that much of a step-up from my mechanical mod with a kick (12w). And the 30w mods are almost the same price as the 50w mods these days. I'd rather have the power and not need it, then to need it and not have it. I can always buy extra batteries if needed. But I digress.

According to Ohms law, if I run a ~ 1 ohm coil at 30 watts I should only be drawing ~ 5.5A. However most manufacturers are suggesting 30A batteries for 50w mods.

If I never go over the above parameters would I not be able to get by on my 10A batteries (e.g. Efest or AW 18650s)? Do I really need to run Sony VTC4/5 batteries?

Regards!

I understand why you'd want to go higher, but there is a huge difference between 12 and 20 watts.

Having said that, my older Efest 10a batteries do not do well with my Sigelei 20W. Battery life is terrible and when the battery starts getting low protection kicks in.

 

[Baditude]

Evolve, the manufacturer of the DNA chip, recommends using an IMR battery with a minimum of 12 Amps continuous discharge rate.

LG18650HE2 2500mah 20A

Orbtronic 18650 SX22 2000mAh 22A
Orbtronic 18650 2500mAh 21A
Orbtronic 18650 SX30 2100mAh ​30A

Sony 18650VTC4 2100mAh 30A
Sony 18650VTC5 2600mAh 30A

Samsung INR18650-20R 2000mah 22A
Samsung INR18650-25R 2500mAh 20A

purple Efest 18650 2500mAh 35A* (rebranded LG18650HE2 2500mAh 20 amp*)
purple Efest 18650 2100mAh 30A (rebranded Sony 18650VTC4)

 

[monkey39]

Just picked up a pair of the LGs on Amazon for around $14.

 

[Waddle]

Evolve, the manufacturer of the DNA chip, recommends using an IMR battery with a minimum of 12 Amps continuous discharge rate.

LG18650HE2 2500mah 20A

Orbtronic 18650 SX22 2000mAh 22A
Orbtronic 18650 2500mAh 21A
Orbtronic 18650 SX30 2100mAh ​30A

Sony 18650VTC4 2100mAh 30A
Sony 18650VTC5 2600mAh 30A

Samsung INR18650-20R 2000mah 22A
Samsung INR18650-25R 2500mAh 20A

purple Efest 18650 2500mAh 35A* (rebranded LG18650HE2 2500mAh 20 amp*)
purple Efest 18650 2100mAh 30A (rebranded Sony 18650VTC4)

These are the listed battery requirements for the DNA 30 chip...not a 50w chipset like the Yihi sx350

 

[Waddle]

I understand why you'd want to go higher, but there is a huge difference between 12 and 20 watts.

Having said that, my older Efest 10a batteries do not do well with my Sigelei 20W. Battery life is terrible and when the battery starts getting low protection kicks in.

I don't find that big a difference personally. Often I just pull the kick on my mod with ~0.8 ohm coil. Yes there is a difference. But the prices are not all that different between a 20,30, and 50W device right now. It believe I would be foolish to buy a 20W device these days.

 

[Waddle]

Well, These are Chinese devices that are pushing 50 W mostly at the moment. There not the most reliable manufactures, and theres been a lot of talk about how bad the internal soldiers and build quality is. Its unknown how they will hold up in the long run, I bought a IPV2 and I love it but I have had issues earlier with voltage spikes/drops for no real apparent reason. Imagine a situation where you have something go wrong and your device fire much higher then what your telling it to. I know you think you may never wanna use 50 W, but I use to use a MVP2 and never thought I want to either. Now I use between 30-50 W all day, not really ever below that. Its so cheap for a VTC5 that if your going to spend 100 for the device, you may as well go an extra 10 for safety. I would say its necessary. these are very powerful devices that aren't that tested.

I hear you..you make a lot of sense. Thank you!

 

[EuroChris]

According to Ohms law, if I run a ~ 1 ohm coil at 30 watts I should only be drawing ~ 5.5A. However most manufacturers are suggesting 30A batteries for 50w mods.

That's 5.5A output from the mod, not what you draw from the battery. You have to use the charge of the battery when you use Ohm's Law to calculate what you draw from the battery.

 

[Waddle]

That's 5.5A output from the mod, not what you draw from the battery. You have to use the charge of the battery when you use Ohm's Law to calculate what you draw from the battery.

Got it! So what you are saying is that as the battery discharges it will require an increase in amps in order to maintain the 30w?

 

[EuroChris]

Huh? That 30W would be on a fully charged battery at 4.2v using a 1-ohm coil. What am I missing here? Obviously as the battery discharges the amps would go down right?

4.2V@1Ohm=17.64W

First of all, 4.2V is without load. At best, you'd get 4.0V at 30W.

At 30W, with a fully charged battery, you'd be pulling 7.5A from the battery(if the charge is 4.0V under load). As the battery discharges, the Amps will go up. The ohm of your coil doesn't matter, because it is a regulated device.

The amps through your coil will be lower, because the mod will adjust its voltage up to 5.48V(30w@1ohm).

 

[Waddle]

Thanks...understood!

 

[sahsah]

Well, These are Chinese devices that are pushing 50 W mostly at the moment. There not the most reliable manufactures, and theres been a lot of talk about how bad the internal soldiers and build quality is. Its unknown how they will hold up in the long run, I bought a IPV2 and I love it but I have had issues earlier with voltage spikes/drops for no real apparent reason. Imagine a situation where you have something go wrong and your device fire much higher then what your telling it to. I know you think you may never wanna use 50 W, but I use to use a MVP2 and never thought I want to either. Now I use between 30-50 W all day, not really ever below that. Its so cheap for a VTC5 that if your going to spend 100 for the device, you may as well go an extra 10 for safety. I would say its necessary. these are very powerful devices that aren't that tested.

its pretty hard to find any vtc4's or 5's anymore since Sony pulled the plug on public distribution of them...

 

[Rizzyking]

Lg he2's and Samsung r25's are good for 50w regulated I'm using two lg's in my sigelei 50w box mod and they don't even get warm but I'm vaping 1.5 coils at 25w still playing around ATM to find sweet spot only had it a couple of days.