why are most of the 30 amp, hi-drain batteries flat tops?

[TheKiwi]

The panasonic NCR18650PF doesn't have a big enough button to work with the provari, which is really the only APV of interest that requires button tops.

Uh? Yes it does. Using it this very moment.

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[WharfRat1976]

Flat top more efficient. More surface area to make contact. Nipple tops less strike area.

 

[st0nedpenguin]

Flat top more efficient. More surface area to make contact. Nipple tops less strike area.

Really not an issue whatsoever.

 

[vapdivrr]

received a few sonys vct's and a few of those new purple efest 35amp/ 2500mah. sonys working great in my mechs and now am trying the efests in my futura dna and provari. compared to the aw's I was using, these efests are lasting over twice as long. especially in the dna-20.

 

[WharfRat1976]

Really not an issue whatsoever.

Really disagree, strongly. It's a matter of physics. More contact area equals more contact equals better conductivity. Not too complex. No biggies.

 

[st0nedpenguin]

Really disagree, strongly. It's a matter of physics. More contact area equals more contact equals better conductivity. Not too complex. No biggies.

Nipple tops have more than enough contact area.

We're talking the difference between hitting a kitten with an RPG or hitting a kitten with a Stinger missile, either will more than get the job done.

 

[Dissonance]

Really disagree, strongly. It's a matter of physics. More contact area equals more contact equals better conductivity. Not too complex. No biggies.

Considering it's "funneled" down to a 510 connection pin anyway, I'm going to say that the amount of contact area to the battery flat top v.s. button top as long as they're both making a good connection is non-issue...

 

[oldbikeguy]

A nice little chart to keep handy

Battery mAh & C Rating = amp Calculator

 

[regal55]

Uh? Yes it does. Using it this very moment.




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Not on mine, maybe provari's famous machining ain't all that repeatable

 

[zoiDman]

Nipple tops have more than enough contact area.

We're talking the difference between hitting a kitten with an RPG or hitting a kitten with a Stinger missile, either will more than get the job done.

Just to be Clear.

No Kittens were Harmed in the Making of This Thread.

(Hopefully that will Keep the SPCA Off Our Backs.)