Help with my batteries?

[Vapeluv1010]

Are imren 40 amp batterys okay for the snow wolf 200 v 1.5? Kinda iffy about them bc they are high amperage wise

 

[dcfluegel]

may want to check out mooch's bench test - that actually is NOT a 40amp cdr battery

Mooch's bench tests

depending on the wattage you plan on running it at, would recommend either sony vtc4 or vtc 5's or samsung 25r's

 

[Susan~S]

What's the highest (watts) you are going to be running?

A pair of HG2's, VTC5's or 25R's would be OK up to about 130W or so.
Up to about 175W the VTC4's would be OK, but better to use the HB6's.
Above 175W, get the HB6's.

Links to all Mooch's battery tests to date: List of My Battery Tests

 

[Baditude]

"Recently some companies are putting the burst amperage limit or active cooling limits on their batteries and selling them as such. Sony is an exception. The VCT4/5 in the spec sheet both state that they require active cooling for anything over 20A. They were never meant for vapers, and did not advertise them as such. It was vaping companies that labeled them 30A cells. Efest and IMREN are two of the worst perpetrators of this practice. There is no cell on the market rated for 2000mAh capacity or above that can do above 20 amps continuous without active cooling. Burst ratings are just that, they can do a high amperage for 1-5 seconds, but more than that you begin to damage the cells. You want to run batteries at their continuous rate, never for their burst. This is the danger of sub-ohming and not knowing the ins and outs of your batteries."

"IMREN (formerly MNKE)- Top 10% are available to consumers, their top 5% are reserved for car companies only. Since IMREN bought out MNKE, we can no longer call them a top cell manufacturer. Not because they are no longer making good batteries, but because the bare cells sold to the public are grossly over inflated when it comes to their amp ratings."

-- A Beginner’s Guide to Lithium Batteries- Rev 3

-- Mooch's battery tests"

Imren Orange 30A 2100mAh 18650
Imren Orange 30A 2100mAh 18650 Bench Test Results...only a 20A+ battery

Imren Purple 40A 2500mAh 18650
Imren Purple 40A 2500mAh 18650 Bench Test Results...a 20A cell that runs very hot

Imren Yellow 40A 2000mAh 18650
Imren Yellow 40A 2000mAh18650 Bench Test Results...a decent 20A battery, may be an HD2

Imren Purple 40A 3000mAh 18650
Imren 40A 3000mAh 18650 Bench Retest Results...only a 17A battery, damaged at 30A

There are no 18650 batteries with a genuine rating over 30A!

Battery pulse ratings are useless
​

-- Purple Efest Batteries Not As Advertised​

Bottom line, you'll do much better with the Sony, LG, or Samsung batteries recommended by dcfluegel, Susan~S, and Mooch. These brands make their own cells (they don't rewrap other brands' B and C bin cells) and don't inflate their battery amp specifications.

Battery Basics for Mods​

 

[Vapeluv1010]

may want to check out mooch's bench test - that actually is NOT a 40amp cdr battery

Mooch's bench tests

depending on the wattage you plan on running it at, would recommend either sony vtc4 or vtc 5's or samsung 25r's

I plan on running them at 80 to 100 watts and temp control

 

[IMFire3605]

I plan on running them at 80 to 100 watts and temp control

Any Imren, Efest, MXJO, etc run them as 20amp CDR max, no wiggle room above 100watts

100watts/6.4 series configured lowest battery charge level=15.625amps, this gives extra caution and mishap margin of error of about 5amps
should never run a battery at full output all the time either, this decreases their overall life rating in charge cycles, analogy I use is cooking a stew, as you simmer and boil the ingredients you change the chemical makeup of all the ingredients, battery electrolytes and chemistry is not much different, constantly overcooking the electrolytes at full discharge current crystalizes these electrolytes causing more internal resistance which decreases overall output. Some LG, Sony, and Samsung A Bin Grade Authentics you can wiggle them up higher occasionally, but not suggested, the rule of cooking a stew comes into play still, as @Baditude mentioned above without active cooling to keep these cells cool internally, going max CDR literally destroys them from the inside. What a battery cell can do under controlled conditions on a specification sheet is one thing, out in the wild and in the hands of consumers that do not have the facilities or for that matter faculties to properly use a cell are quite another, thus another reason a lot of veterans suggest never running a battery over 50% to 75% full CDR capacity due to the analogy above of cooking a stew.

 

[Vapeluv1010]

So

Any Imren, Efest, MXJO, etc run them as 20amp CDR max, no wiggle room above 100watts

100watts/6.4 series configured lowest battery charge level=15.625amps, this gives extra caution and mishap margin of error of about 5amps
should never run a battery at full output all the time either, this decreases their overall life rating in charge cycles, analogy I use is cooking a stew, as you simmer and boil the ingredients you change the chemical makeup of all the ingredients, battery electrolytes and chemistry is not much different, constantly overcooking the electrolytes at full discharge current crystalizes these electrolytes causing more internal resistance which decreases overall output. Some LG, Sony, and Samsung A Bin Grade Authentics you can wiggle them up higher occasionally, but not suggested, the rule of cooking a stew comes into play still, as @Baditude mentioned above without active cooling to keep these cells cool internally, going max CDR literally destroys them from the inside. What a battery cell can do under controlled conditions on a specification sheet is one thing, out in the wild and in the hands of consumers that do not have the facilities or for that matter faculties to properly use a cell are quite another, thus another reason a lot of veterans suggest never running a battery over 50% to 75% full CDR capacity due to the analogy above of cooking a stew.

So is should be good Right?

 

[Vapeluv1010]

So

Any Imren, Efest, MXJO, etc run them as 20amp CDR max, no wiggle room above 100watts

100watts/6.4 series configured lowest battery charge level=15.625amps, this gives extra caution and mishap margin of error of about 5amps
should never run a battery at full output all the time either, this decreases their overall life rating in charge cycles, analogy I use is cooking a stew, as you simmer and boil the ingredients you change the chemical makeup of all the ingredients, battery electrolytes and chemistry is not much different, constantly overcooking the electrolytes at full discharge current crystalizes these electrolytes causing more internal resistance which decreases overall output. Some LG, Sony, and Samsung A Bin Grade Authentics you can wiggle them up higher occasionally, but not suggested, the rule of cooking a stew comes into play still, as @Baditude mentioned above without active cooling to keep these cells cool internally, going max CDR literally destroys them from the inside. What a battery cell can do under controlled conditions on a specification sheet is one thing, out in the wild and in the hands of consumers that do not have the facilities or for that matter faculties to properly use a cell are quite another, thus another reason a lot of veterans suggest never running a battery over 50% to 75% full CDR capacity due to the analogy above of cooking a stew.

So is should be good Right?

 

[IMFire3605]

Yes, being a series battery mod, 100watts max with a pair of married Imrens is quite safe. Just remember though the label says 40amps, that 40amps is the Pulse Discharge Rate of an A Bin authentic from the Big 3 manufacturers, not really knowing what actual cell is under the re-wrap we suggest running them max 20amps CDR, but only occasionally, not all the time. 100watts as posted above is about 15.5amps, giving plenty of power output and giving some room for margin in safety incase of a mishap.