My Vapcell S4+ Analyzing Charger photos and observations

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hodor
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Looking at this charger on the official AliExpress store, why are there so many different listings for the same charger? Is this an AX “feature” or are they actually different?

bcm00re
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I would like to hear people’s experiences using the Repair mode on the S4+. And please let me know if you are using it on li-ion or NiMH cells.

bcm00re
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whatsthepoint wrote:

The Vapcell S4+ is now available at 18650batterystore for $34.99


USPS ground shipping to Texas is $5.61


https://www.18650batterystore.com/Charger-p/vapcell-s4-plus.htm


 


I am seeing 50% higher shipping cost than what you found — $8.41 to Dallas, TX for USPS Ground.
DomZ
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I’ve ordered this charger, and I have some questions (I’m a noob and this is my first charger).
My batteries are only Ni-MH (eneloop and noname).

- When battery fully charged (100%), should I seen on the charger the therorical capacity of the battery (for example, if I charge an AAA eneloop 1.2V 750mAh battery, when then battery is full charged, should I read 750mAh on the charger ?)
- How to read resistance (mOhm), I’m currently charging 4 AAA noname batteries 750mAh, 2 was in error, and I’ve used the repair fonctionnality to charge them, All of them are reporting different resistance values (from 200 mOhm to 999 mOhm) ?,

And I also have a general question :
- I heard that Li-Ion battery exist, they never sold in regular shops, so can we replace a Ni-MH battery with a Li-Ion, is there some exceptions ?
- Using which criterias you decide to recycle your batteries ?

Thanks

Vapcell S4+

bcm00re
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DomZ wrote:

- When battery fully charged (100%), should I seen on the charger the therorical capacity of the battery (for example, if I charge an AAA eneloop 1.2V 750mAh battery, when then battery is full charged, should I read 750mAh on the charger?)

Charging mode only reports how much it puts into the battery. If you want to check that use the Cap Test mode. Do note there is an issue with this charger in that mode where it won’t really fully recharge NiMH cells at the end of the test despite it saying they are 100%. I just do a Charge mode on any cell right after the Cap Test is done.

DomZ wrote:

- How to read resistance (mOhm), I’m currently charging 4 AAA noname batteries 750mAh, 2 was in error, and I’ve used the repair fonctionnality to charge them, All of them are reporting different resistance values (from 200 mOhm to 999 mOhm)?
Take the milli-ohm values with a grain of salt but higher numbers generally aren’t a good indicator of battery health.

DomZ wrote:

- I heard that Li-Ion battery exist, they never sold in regular shops, so can we replace a Ni-MH battery with a Li-Ion, is there some exceptions ?
Li-ion cells have a nominal voltage of 3.6V while NiMH cells are 1.2V — so they are completely different and not simply interchangeable! You really should do some research…

DomZ wrote:

- Using which criterias you decide to recycle your batteries ?
I have some older low self discharge cells that no longer can even handle just a 250mA discharge rate, but I can still use them in some of my LED flashlights. For some flashlights I use 3AA-to-D parallel adapters to make use of my older cells.
DomZ
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Thanks for your answers.

I charged many batteries and on two of them the charger was filling the battery much more (4000 mAh) than the theorical capacity (2700 mAh). The battery was very hot when I removed it from thé charger… I think this very dangerous !

I can’t charge battery on night or when I’m at work, I’m not very confident …

Vapcell S4+

bcm00re
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I have noted a similar behavior (both on this charger and my old LaCrosse BC-900) with old worn-out batteries. Maybe try the Cap Test or Repair function on those cells.

d_t_a
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DomZ wrote:
Thanks for your answers.

I charged many batteries and on two of them the charger was filling the battery much more (4000 mAh) than the theorical capacity (2700 mAh). The battery was very hot when I removed it from thé charger… I think this very dangerous !

I can’t charge battery on night or when I’m at work, I’m not very confident …

Can you give us some information on the batteries that you were trying to charge with this charger? Also, how old are the batteries?

Overmind
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Too bad it has only .5A on 2 discharge slots.

I would of really liked it to have at least 2A discharge on each slot independently.

tatasal
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Overmind wrote:
Too bad it has only .5A on 2 discharge slots.

I would of really liked it to have at least 2A discharge on each slot independently.

But then the charger should need perhaps 2 high-volume fans to manage the heat generated at 2a x 4 !

Overmind
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Not a problem; I’m really looking for a multi-slot high current tester. Let the cooling be handled by me.
Most testers I generally found are .5A on discharge test which is utterly useless for any high current cell.
Opuses can do 1A on all slots (and needs modded cooling). Did not find anything better so far.

d_t_a
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Overmind wrote:
Not a problem; I’m really looking for a multi-slot high current tester. Let the cooling be handled by me. Most testers I generally found are .5A on discharge test which is utterly useless for any high current cell. Opuses can do 1A on all slots (and needs modded cooling). Did not find anything better so far.

SkyRC MC3000 can do 1× 2A discharge, or 4× 1A discharge.

I’d really like for the MC3000 to be able to at least do 4× 1.5A, and hopefully make a variant compatible with longer protected 21700 batteries..

MRTKH
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Folks:

I bought this charger 2 weeks ago and have put it through its paces. My impression thus far is it does very well. Appears to be accurate. Build quality is “ok”. About standard for the course. My ONLY issue is the power supply. It is noisy. I can hear a constant buzz when not plugged into the charger and when plugged in and charging a cell you can hear a pulsing sound. Not good. Almost too noisy to share my office. I might have to start looking for a quality 12V 5.0A = 60 Watt charger that is quite as this buzzing is problematic for me. Anyone know where I can buy a decent build power supply?

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@tatasal
Got this charger less than a year ago and it worked great for my needs.
The other day went to charge some batteries and the screen was blank.
Long story short I am looking for a new charger since this one is dead.
Sent email and pm to Neal however got no response if it is covered under warranty.

***Rofis MR70*TurnRaise*Catapult V6*BLF Q8*BLF Mini*BLF Micro*Haikelite MT09R* Convoy C8*BLF D80v2 SST40*MatemincoX6S*AstroluxFT03-xhp50.2*AstroluxFT03-sst40*BLF-LT1*AstroluxFT03S-SBT90.2***

tatasal
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AguassissiM wrote:
@tatasal Got this charger less than a year ago and it worked great for my needs. The other day went to charge some batteries and the screen was blank. Long story short I am looking for a new charger since this one is dead. Sent email and pm to Neal however got no response if it is covered under warranty.

Dennis of Vapcell, who is also a member here, just said they have 1-year warranty as long as the the damage is not “man-made”.

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[/quote]

Dennis of Vapcell, who is also a member here, just said they have 1-year warranty as long as the the damage is not “man-made”.[/quote]

Thank you for the update, silly question how do I get hold of Dennis?

Update:
Just sent a pm to Dennis.
Thank you @tatasal.

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Jimo
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I received my s4plus today.I can't change current. I do what instructions say. Charger says its  in 3a current  but then goes down to 157ma. Seems like Charger doesn't go into manaul. Can anyone please help. Thanks Jim

.

Jimo

tatasal
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Jimo wrote:

I received my s4plus today.I can’t change current. I do what instructions say. Charger says its  in 3a current  but then goes down to 157ma. Seems like Charger doesn’t go into manaul. Can anyone please help. Thanks Jim


.

Did you manually move or set to Manual and still won’t obey?

Jimo
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Can you tell me how to change the current. I can't seem to get the current to change. I can't seem to get in manual mode.

Jimo

tatasal
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Jimo wrote:

Can you tell me how to change the current. I can’t seem to get the current to change. I can’t seem to get in manual mode.

Set to Manual mode while there is no cell in the bay.

Once a cell/s is loaded while in Manual mode, the charger’s “mA” in the Display should blink, then you can press the “current” button to the mA you wish.

jon_slider
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HKJ wrote:
phouton wrote:
Curious about IR measurement accuracy/consistency.

Consistency is good.

so, Im interested in figuring out the IR of my Eneloops
sounds like this is not the right charger for that job:

HKJ wrote:
I found one error: The internal resistance calculation is wrong.”
tatasal
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jon_slider wrote:
HKJ wrote:
phouton wrote:
Curious about IR measurement accuracy/consistency.

Consistency is good.

so, Im interested in figuring out the IR of my Eneloops
sounds like this is not the right charger for that job:

HKJ wrote:
I found one error: The internal resistance calculation is wrong.”

I don’t think there is currently a commercial charger/analyzer that can consistently show the correct IR each time, not even my more expensive SkyRC MC3000, considering the inherent drawbacks of using “sliding” rails in order to fit various kinds of cells in the bay, tightness of the contact points, etc., etc. that can affect such IR readings, though they can be just about in the ball-park figure and of course, better than no reading at all of the old analyzers that we have.

….and these manufacturers actually never claim that their product can consistently give the correct reading, each time.

However this is the Vapcell IR tester that I have that can “repeatedly” give out the same IR figure almost each time:

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thank you
I need education, considering my first analyzing charger

I have noticed that my old Eneloop, no longer produce as many lumens from my AAA Tool, as my new Eneloop. Im not sure if that is due to IR, or loss of Capacity, or something else

is this S4 a good charger for me to monitor the capacity and resistance (at least to tell new cells from old ones), of my aging Eneloops, as well as LiIon cells?

or would you suggest a different analyzing charger, for my application?

tatasal
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jon_slider wrote:
thank you
I need education, considering my first analyzing charger

I have noticed that my old Eneloop, no longer produce as many lumens from my AAA Tool, as my new Eneloop. Im not sure if that is due to IR, or loss of Capacity, or something else

is this S4 a good charger for me to monitor the capacity and resistance (at least to tell new cells from old ones), of my aging Eneloops, as well as LiIon cells?

or would you suggest a different analyzing charger, for my application?

I would say that the current “improved” version of the S4+ will be good enough for your needs.

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Thank You Smile

Happy New Year!

tatasal
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jon_slider wrote:
Thank You Smile

Happy New Year!

Same to you my friend…in my part of the world 14 hours from now New Year will start.

Greetings to everyone here in BLF!

richbuff
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Jimo wrote:

Can you tell me how to change the current. I can't seem to get the current to change. I can't seem to get in manual mode.

Vapcell S4 Plus:

 

I got mines a few days ago. It took me a while to figure it out.

  1. Small switch located on right side, Manual mode.
  2. When the cell is in the slot and the charger is plugged into power, press and Hold down the Mode button for two or three seconds, and continue to hold the button down.
  3. Then you can press the current button button to cycle through the various amp levels, when the current number is flashing. Release both buttons when your choice appears.
  4. For multiple cells, press the Display button to select the next slot, then repeat steps two and three. You can select different amp charge currents for different slots. Also, this charger fits 21700 protected usb cells. I bought four S4, for my two GT 94s' and MF05 and MT90.

Rev 22:15

Jimo
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Does that work in all modes such as capacity test.  And when capacity test starts discharge do I need to do it again for 1a discharge

And are all 4 slots capable of 3a charge and 1a discharge. And thank you for taking the time to help me. Jim

Jimo

tatasal
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Jimo wrote:

Does that work in all modes such as capacity test.  And when capacity test starts discharge do I need to do it again for 1a discharge


And are all 4 slots capable of 3a charge and 1a discharge. And thank you for taking the time to help me. Jim

Yes, max of 3a/slot X 4 slots.

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