Deeming Regulations have been released!!!!
- Thread starter Oliver
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I'm guessing they're out there Hit but I don't know where. I always figgered batts were cheap enough not to concern myself with charge limits but then desperate times might call for desperate measures if batts become targeted by the DC elitists.
As most likely know, li-on last longer charging before they completely run out. I have 4 mods, different flavors - 4ml tanks - I refill them at @ 1ml left - better on coils - less possibility of leaks and less juice in mouth - and recharge batt @ 1/4 charge left (about 2 refills/tank @ 6ml). I have 8 batts , room temp in 'regular' rotation, and a few dozen in the fridge.
I think maybe the SkyRC MC3000 can be programmed to set a max charge of whatever you like (not 100% sure though), but that's a $100 charger.
As far as an affordable chargers that have a storage charge function (set to charge/discharge to 3.6-ish volts), The Xtar VC4S has that function.
That ability is built into most any Evolv DNA board, except for the Reflex and GO models.
ETA: I know of some people who bought a cheap DNA75 board (or mod) and built their own charger. Through eScribe you can program the board to limit the voltage to 4.1v
Evolv's charging circuit is actually quite good, and is often better than many dedicated chargers.
I vape each tank down to nothing. I vape a NET so it gets dramatically concentrated as it gets low. I minimize that by vaping out every tank before refilling.
How long have you kept batteries in the fridge?
Not sure if it counts as an arm/leg but the Nitecore charger I use has been amazing . It charges everything I throw at it and is pretty robust and easy to use. Slow charge for the win!
I am with you, I go for a very slow charge. I don't "top off" [4.19V] and I don't run them way down.
Thanks. The only charger I ever had fail on me was an xtar. It was two bay and over charged two 18650 batteries. One battery launched about 15 feet and the charger melted. Thank god it was in the garage and not in the house. It took a long time to clean up and the garage smelled for quite a while.
Thanks Mike. I didn’t know that. I do have a few dna devices I use regularly. I’ll take a look at it.
Enova Gyrfalcon All- series. I have both an All-88 and an All-44, and love them. I also have a Hohm Base (meh), and an Xtar Dragon... and an Xtar PB, Xtar PB2, and another I can't remember in my workshop across town.
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I'm confused.
Do all of these chargers you mentioned have the function inquired about recently (the ability to set in order to charge/discharge to a given voltage desired by the user) or are you just telling us what chargers you own and like/don't like?
I looked at 18650 battery store and they have an opus charger that sounds nice and not too expensive. It doesn’t have the preset voltage control but does check internal resistance.
The Opus charger doesn't check internal resistance properly so don't buy it for that. Some people have modded it to do a better job, but that requires some "surgery".
It also doesn't have the ability to set the charge/discharge cutoff at a set user-defined voltage. It does have the ability to set a max charge limit voltage but that's done by an internal physical switch and the only voltage close to storage voltage is 3.7v. But like I said, you have to actually open the charger up to set it at that 3.7v charge limit anyhow and 3.7 isn't really storage voltage from what I see. Reputable brand batts come shipped at 3.5-3.6 volts so I suspect that's the proper storage voltage range. The internal switch setting for the opus are 3.7V, 4.20V and 4.35V. that doesn't help you if you want to charge at 4.1v max.
I have one and it's OK, but it's not for you if the above features are something you want.
You can read more about it here Review of Charger Opus BT-C3100 V2.1
One other thing about it: while it does in fact fit 21700 batts, it was not designed for 21700, it just so happens to fit them (it was designed many years ago when 21700 weren't really a thing or at least not that popular). There's only about 3-4mm clearance. It's enough to put in a 21700 and take it out without hitting the edge of the battery and ripping the wrap, but a little caution needs to be exercised, more so than a true 21700 charger, or else you may damage the wrap if you don't fully pull the battery back when inserting/removing..
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The Gyrfalcons have user settings, maybe the Dragon. The others do not. However, the Gyrfalcon also does slow charging.I'm confused.
Do all of these chargers you mentioned have the function inquired about recently (the ability to set in order to charge/discharge to a given voltage desired by the user) or are you just telling us what chargers you own and like/don't like?
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