Tubbyengineer
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EFest batteries
- Thread starter Savageluke
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Savageluke
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My vtc6's from fog star came today ! Thanks for the discount code !
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Savageluke
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Hi , just ordered some vtc5a from fog star after listening to your advice ! Thanks again ! I'm currently charging the vtc6 that arrived today on the 0.5 setting , I want to switch it to the 1.0 setting and was wondering if I can do this mid charge ? This is their first charge
Tubbyengineer
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Yeah that won't be a problem 1a charging is fine for them...
Savageluke
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thanks man , so I can just flip that switch up to 1a while batts are charging ? Or do I have to turn off first , switch up and turn back on ?
Tubbyengineer
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Nope just flip it over...
Savageluke
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Cheers one more question if you don't mind , one battery's are fully charged are they safe to be put awaway in the case for a few days ? And what are the black circles that come in the baggie with my fogstar delivery ?
Tubbyengineer
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The black circles are spare insulators for the tops of the batteries, you may also have recieved a couple or pieces of shrinkwrap tube to rewrap the batteries if the wrapper gets damaged. for short term storage fully charged is fine, just put them back in the plastic case and they be fine for a week or two, if you need to store them for longer then you should have them at about 50% charge...
Savageluke
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The guys in my local vape shop yesterday swore blind that efest make there own A grade batteries now lol and the efest 3000mah 35a 3.7v batts I originally bought are the best batteries I could possibly have for sub ohm vaping ! Surely that's a straight up lie ? Everything I've read online and all that I have learnt off this thread goes against that lolA quick google finds this (all words and pictures from Mooch aka Battery Mooch)
UPDATE: The Efest 35A 3000mAh exists in at least three versions! Because there wasn't enough confusion already...
It seems now that there are at least three versions of the Efest 35A 3000mAh battery available, maybe four! I'll try to sort them out....
1) The 20A battery that's been available for a while with the larger three-leg top cap (contact). This is the one I reviewed on Nov 5th and is most likely a Samsung 30Q. This one is still being sold and is a decent 20A battery that can be pulsed to 40A.
2) The 10A battery that just recently surfaced and that I just tested and posted about. It has the smaller three-leg top cap and skinnier legs. It is identical in appearance and performance to the LG MH1. I do not know how hard you can pulse it but its internal resistance is very high and that limits pulse performance.
3) A four-leg version with a large top cap. It might be an 20A LG HG2 but it could also be a 10A LG MJ1. It's too hard to tell with the pictures I've seen. I found out about this third version through /u/ferongr at ECR and a photo that Thorin13 at the e-kapnisma forum provided. Thanks to you both! Since then I have found at least a couple of posts from folks here in the US that have this four-leg version too. This one is still being sold.
4) A photo was posted of a fourth type of Efest 35A 3000mAh yesterday that looked like it had a top cap different from the above three. Unfortunately, I cannot find that photo now. If you have one of these Efests, it would be great if you could post a clear shot of the top. If the wrap was off too, that would be incredible as it makes determining which battery it is much easier. Thank you!
A couple of thoughts I want to express...
All this only applies to the 35A 3000mAh Efest! It has nothing to do with any other Efest batteries out there. If you have one of those other batteries, nothing has changed.
I do not hate Efest and my testing of the 10A version was most certainly not bullshit. The ones I tested were verified as authentic and are clearly 10-amp rated MH1's, in both appearance and performance. I don't care which battery you use. I do care whether you have the correct rating information for the batteries you do choose to buy though.
The 10A version of the Efest 35A 3000mAh will not burst into a fireball if you use at at high discharge current levels, above 10A. Its internal resistance is so high that its voltage will just plummet and you'll either quickly get a "low battery" message from your regulated mod or your mechanical/unregulated mod will seem to almost stop firing. This limits the temperature rise in the battery and keeps it from venting. Bad things could still happen if you short circuit this battery though.
If you have the 10A version of this battery, you can still use it at up to 30W-35W or so. No need to replace it if you vape at these power levels or lower.
If you have the four-leg version of this battery, unfortunately, I have no information for you yet. But if it's been working ok for you, and isn't getting hot, then it seems like it would be ok to continue using.
I'll post another update if I find out anything more. Here are the posts regarding this battery so far:
The test results of the 10A version:
https://www.e-cigarette-forum.com/…/warning-efest-purple-3…/
The FB posting of the results:
https://www.facebook.com/permalink.php?story_fbid=1661117044177875&id=1636157550007158&substory_index=0
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