Difference between Opus BT-C3400 & BT-C3100 v2.1?

[wolfdog1226]

[quote=HKJ]

[quote=wolfdog1226]

@wolfdog1226I asked HKJ earlier today if 12v/3a is enough for 4 batteries @ 1amp?: Easily

What I did not say was that it requires that the charger know how to handle the power. The first versions of the C3100 charger was very bad on that, in later versions it was improved, but not perfect. This means that a sensitive power supply may give the charger problems.

But you have the problem during discharge and that do not make any sense, the charger is not supposed to be loading the power supply when doing discharges.

The discharge process was over and it was transitioning to charge. that is when it kept turning off and defaulting to 500mAh.

[HKJ]

@wolfdog1226

The discharge process was over and it was transitioning to charge. that is when it kept turning off and defaulting to 500mAh.

That means you power supply is rather sensitive, try a more powerful one. The opus charger do have some nasty spikes in its power draw, a large capacitor in the power supply will handle it (or a slow over current limiter). The problem is not the average current draw, but the peak current draw, the power supply supplied for my test had no problems with the “fixed” version of the Opus, but a power supply with very fast over current protection will have a problem.

A guess would be that Opus has change supplier of power supply, without checking if it can handle the requirements of the charger.

[teacher]

@wolfdog1226

I spoke too soon. That was yesterday! Did a Discharge/Test @ 1amp. I came in the room right after the 4 X 18650 Orbtronic were discharged and just went into CHARGE cycle. I noticed it was charging 500mAh and the Capacity data was NOT there. I set it back to 1000mAh. Came back in room 5 minutes later and it was 500mAh again! Set it back to 1000mah and this time I watched it. Three[3] times in a row the unit reset[shut off] and defaulted to 500mah again!(

YEP)!!! That is exactly what mine does. :+1:
Which I really would not mind so much….
…BUT for the fact that ALL the Capacity data is lost and resets each time it does it. :person_facepalming:
.

EDIT……….

@wolfdog1226

The discharge process was over and it was transitioning to charge. that is when it kept turning off and defaulting to 500mAh.

+1 on this too.

[wolfdog1226]

I do not have a more powerful power supply.

The picture will have to wait until tomorrow as I am testing again to see if it gives the same results!

I am getting another Opus on Monday! If that one fails I give up on Opus all together or buy another power supply which I do not want to do.

I love the longevity, simplicity and reliability of my FENIX ARE-C2! :+1:

[wolfdog1226]

Jon from Liionwholesale’s guess is that it is overheating and/or may have a failing/bad thermal sensor?

EDIT: The theory about over heating makes no sense to me because the charger NEVER feels hot. The power supply gets warm but not hot like Opus number 1!

[HKJ]

@wolfdog1226

Jon from Liionwholesale’s guess is that it is overheating and/or may have a failing/bad thermal sensor?

I doubt it, in my opinion the most likely cause is the power supply. The Opus will draw more than 3A in peak current, in my test I measured 6A for nearly 0.02 second. Then 0A for 0.03 seconds, bringing the average below 3A

[wolfdog1226]

@HKJ

@wolfdog1226

Jon from Liionwholesale’s guess is that it is overheating and/or may have a failing/bad thermal sensor?

I doubt it, in my opinion the most likely cause is the power supply. The Opus will draw more than 3A in peak current, in my test I measured 6A for nearly 0.02 second. Then 0A for 0.03 seconds, bringing the average below 3A

ok,If I go that route I do not want to order online. I have to find a place that sells them where I can bring my charger to make sure it works.

If it is indeed the power supply the new one I get Monday will probably have the same issue!

[teacher]

Hey wolfdog…… what size is the plug that goes into the charger?
I am not home right now to look.
But I am gonna try to pick up a used power supply at the electronics shop in town before I go back to the compound.
But I need to know the “plug to charger” size………

Thanks in advance for any help given here………… :+1: …

[wolfdog1226]

Let me look,not sure if I can decipher while it is charging!

I looked on line for these and they were $15 and up,I do not want to pay half the cost of my charger for a power supply! I am not confident If I ordered one online that it would be the right one,when I can just get another opus,probably w./ the same issue!!

[teacher]

@wolfdog1226

Let me look,not sure if I can decipher while it is charging!

My bad, don’t worry about it if you can’t. I’ll just try tomorrow when I find out the plug size.

[wolfdog1226]

There is no indication of the size of the barrel plug in the manual or written on the charger/plug itself. It will take 10 or 15 minutes to post pictures,that will give info gausse wants but may not help for barrel plug size.

[teacher]

@gauss163

The C3100 uses the most common 5.5 x 2.1mm DC barrel connector.

Thanks gauss163. :+1: I appreciate that info.

[teacher]

@wolfdog1226

There is no indication of the size of the barrel plug in the manual or written on the charger/plug itself. It will take 10 or 15 minutes to post pictures,that will give info gausse wants but may not help for barrel plug size.

Already got the size from gauss, so the only thing left is the power supply spec pic for gauss. :+1:

[wolfdog1226]

THIS IS THE SMPS FOR MY OPUS 2.2 VERSION

[wolfdog1226]

@gauss163

The C3100 uses the most common 5.5 x 2.1mm DC barrel connector.

Are you sure Gausse?! I may order one next week!

FAVOLCANO FAVOLCANO® AC 100-240V To DC 12V 5A 60W 5.5x2.1mm DC Output Jack Power Supply Converter Adapter for Led Li

$21.13,crazy,more than half of what I paid for the opus!

This OPUS thread is bringing the love back,no more bickering!

[wolfdog1226]

^

OK,Thanks,I will check that out.

I did find some on Ebay for $7,seems awfully cheap………I wonder what the quality will be?

[chops728]

I’ve tried to make my 3400 produce the problem—it won’t do it—charging (4) 30Qs at 1amp without a hitch—-my 3100 is at my camp—I have also tried my power supply from my hobby charger 12v/ 5a —-works perfectly—these are readily available on ebay— also I’m curious if anyone has a car adapter—try it in your car on straight 12v

http://www.ebay.com/itm/12V-5A-60W-AC-Adapter-Charger-for-CHI-LCD-Monitor-CH-1204-CH-1205-Power-Supply/231042910306?\_trksid=p2385738.c100677.m4598&\_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20160908110712%26meid%3D74420f7d11b8465881499e82f412f71b%26pid%3D100677%26rk%3D3%26rkt%3D12%26sd%3D311727670774

I just retested my 3400 with my 2a power supply—-it reset almost the instant it started charging—I’m pretty confident it’s a power supply issue—if I remember correctly the 3100 has a more rounded edge PS—where as the 3400 I have it’s square—most likely updated

[wolfdog1226]

@chops728

I’ve tried to make my 3400 produce the problem—it won’t do it—charging (4) 30Qs at 1amp without a hitch—-my 3100 is at my camp—I have also tried my power supply from my hobby charger 12v/ 5a —-works perfectly—these are readily available on ebay— also I’m curious if anyone has a car adapter—try it in your car on straight 12v

http://www.ebay.com/itm/12V-5A-60W-AC-Adapter-Charger-for-CHI-LCD-Monitor-CH-1204-CH-1205-Power-Supply/231042910306?\_trksid=p2385738.c100677.m4598&\_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20160908110712%26meid%3D74420f7d11b8465881499e82f412f71b%26pid%3D100677%26rk%3D3%26rkt%3D12%26sd%3D311727670774

Thanks,according to Gausse the one you posted has the Wrong barrel connector size.

Connecter size: 5.5mm/2.5mm

It should be 5.5mm/2.1mm??
One of you are wrong,I just ordered the 2.1mm,I hope it is the CORRECT one!!!

P.S. Mine never failed while charging 4 x 18650 @1 amp,only when I did the charge /test

[chops728]

Not sure what size barrel I have— it’s plastic insert is yellow—thought it might be color coded

[chops728]

@wolfdog1226

@chops728

I’ve tried to make my 3400 produce the problem—it won’t do it—charging (4) 30Qs at 1amp without a hitch—-my 3100 is at my camp—I have also tried my power supply from my hobby charger 12v/ 5a —-works perfectly—these are readily available on ebay— also I’m curious if anyone has a car adapter—try it in your car on straight 12v

http://www.ebay.com/itm/12V-5A-60W-AC-Adapter-Charger-for-CHI-LCD-Monitor-CH-1204-CH-1205-Power-Supply/231042910306?\_trksid=p2385738.c100677.m4598&\_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20160908110712%26meid%3D74420f7d11b8465881499e82f412f71b%26pid%3D100677%26rk%3D3%26rkt%3D12%26sd%3D311727670774

Thanks,according to Gausse the one you posted has the Wrong barrel connector size.

Connecter size: 5.5mm/2.5mm

It should be 5.5mm/2.1mm??
One of you are wrong,I just ordered the 2.1mm,I hope it is the CORRECT one!!!

P.S. Mine never failed while charging 4 x 18650 @1 amp,only when I did the charge /test

I’ve had this 3400 for almost 2yrs—I always charge/test at 1a—— 4 at a time—-I’m talking 100s of cells from pulls to new —never had the issue you’ll are having

EDIT: my 3400 PS is the Asian Power Devices APD WA-36A12U as stated above