Where did that value come from? In a quick Google search, all I can find is a MCCD of 6.8A for the Panny NCR18650B (here's one, and another)... nothing about 4.87A.
Neutral axis is simply the mandrel OD/coil ID... plus the radius (or thickness ÷ 2) of the wire. I've not encountered a circumstance where knowing the axis served a purpose.
I'm a bit stunned your inquiry has languished with no responses...
Anyway.... one of the most accurate build box/ohm meters can be found at USA Ohm Meters. It has the usual one milliohm resolution, but more importantly it's accurate to less than 0.020Ω.
If you have no intention of ever going...
Min/max is nice for another reason... you don't have to watch the meter, as the high/low values can be viewed after the measurement is taken.
The milliohm adapter I got back when there were no really good quality build boxes, and it was a PITA to use the 4-wire Extech on a RDA. ;-)
I'm a bit...
It's not a bad idea to have a "min/max" feature... which when pressed will obtain the lowest and highest values of a given test. Handy for determining a value if you can't get a stabilized reading. The Kline for example has this feature.
I don't know what you have for milliohm testing, but...
Do the Ohm's law math...
For wattage ("Power") the formula is V² ÷ Ω = P.
For amperage ("Current"), the formula is V ÷ Ω = C.
I recommend an absolute minimum of 10% headroom to new mech users. Efest is not known for sharing the actual maximum continuous current discharge (MCCD)...
It's not... unless you want to build at a higher resistance... or are willing to accept a cold heat flux value from a device that can't hit Ohm's law parity for your present net resistance.
Thinner wire and/or lower resistance will get the heat flux up without resorting to higher wattage. Click on my first two sigline hyperlinks below.
Normal... getting something with a deeper juice well will reduce drip frequency - but it won't really change how much juice you're sucking down. ;-)
Looks OK to me... although the legs are a little on the long side. Wicking fit and density look good. If you're using the full 50 watts, you're running a nice, moderately warm 241 mW/mm² heat flux.
Welcome to ECF, swinny...
Aside from the preferential perspective, a more safety oriented view requires a bit of electrical knowledge.
The lowest resistance you can use is based on the capabilities of your regulated APV, or with an unregulated mech mod, the continuous current capabilities of...
There's nothing wrong with it, other than the positive block and air tube/screw are loose. Remove the 510 post, and while holding the block square to the negative, tighten the air tube a bit. Don't go nuts... you'll damage the insulator.
Interesting product.
For those in the US who are interested, Mojo Vapors carries Fiber Freaks... in both densities, for $8 per pack.
They currently have a 15% off discount code - "1VISIT15"
The offset verticals... like the Veritas and it's evolution - "if one hole is good, two is gooder" - Marquis can be a little fiddly to run continuous wick from coil to juice well.
2.5mm or larger coil IDs and tiny tipped tweezers help, but... I finally got wise (or at least less dumb) and went...
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