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Opus BT-C3100 (version 2.2) Intelligent battery charger

Additional Information

Brand  Opus
EAN/GTIN  8438493102284
Power supply  EU plug (220≈230V)
Charger suitable for battery type  NiMH / NiCd, Li-ion
Charger Suitable for battery size  18650, 21700 (unprotected), 20700 (unprotected), 18650, 14500, 16340, 18350, 18490 & 18500, 26650, 10440, AA/AAA, C
Charging slots  4
Extra functions  Fast charger, Screen, Testing / discharging
26650 charging channels  2x 26650

Availability: In stock

€37.95

Description

Details

Opus BT-C3100

The Opus BT-C3100 Intelligent Li-ion/NiCd/NiMH battery charger/analyzer is one of the first battery charger/analyzers that can (quick-)test/refresh/charge/discharge li-ion batteries and do that for NiCd/NiMH batteries too.

Truly a multi-functional intelligent batttery charger.

Charge: 200mA, 300mA, 500mA, 700mA and 1000mA
Discharge: 500mA

The 4 charging slots are completely independent.

This charger can handle AA, AAA, 10440, 14500, 16340, 18350, 18500, 18650, 26500 and 26650 batteries.

PAY ATTENTION!! THE OPUS BT-C3100 (version 2.2) BATTERY CHARGER IS SUPPLIED WITHOUT BATTERIES !!


Firmware version v2.2

Additional Information

Details

Opus BT-C3100 Intelligent Li-ion/NiCd/NiMH battery charger The charger integrates the minus delta voltage (-ΔV) for NiCd or NiMh battery charging termination, and for Li-ion batteries charging to 4.2V with pre-selected constant current. The charger also includes overheat detection to protect rechargeable batteries and charger itself from overheating. Power Adapter:Output: 12V DC,3.0A; Input: 100~240V~, 50/60Hz

Reviews

Customer Reviews

this is the safer and the best charger Review by Jean-Claude
Rating
This is the safest charger available due to the fact that the temperature is constantly controlled under each battery slot and also on the PCB. So even if the fan goes down, the charger will stop if overheated.
The Fan is not noisy at all, as written in other comments, and can run at different speed. On top, the fan only runs when higher current is selected on 4 batteries. For instance, charging 4 AA batteries at 300 ma will not heat enough to start the fan
It is the only one showing the real current on top of the selected current, which is the best way to control overcharging. It also stop exactly at maximum 4V2, which is not the case with some other charger i have tested.
(Posted on 05-05-19)
Works nice but when it breaks kills all batteries Review by Adrian
Rating
I had this charger for about 1,5 years. one slot suddenly didn't read voltages correctly which lead to batteries overcharging and them exploding while out of the charger. It is a tricky fault because there are no signs of fault and it killed me 9 accus until I found out what happened. I checked on a vaping group with several Opus users and ALL broke in the same way after 1,5-2 years and left them with 1-2 accus. Another problem is if you charge 2 accus with 2 amps or 4 with 1 amp the power source gets so hot - almost at melting point so it is not possible to charge at 4 amps total on all slots. (Posted on 19-04-19)
Noisy Review by Narcis
Rating
All looks good and dandy, but I cannot have it in my room. It's noisier than my pc. :(

Unacceptable for me. I charge 3 batt. daily, I also have an old efest luc, dead silent, and does its job. I was shopping for vaping batteries and I said I'd throw this in as well as an upgrade... Not the smartest move. At least not for me. It may be way safer and smarter than my actual one, but wont take its place anytime soon.

It might be great for others, but for me it proved to be an overkill and too noisy for my daily needs (under my office). (Posted on 14-11-18)
Top Review by Yohan
Rating
Le meilleurs chargeur de ecig actuellement ! Prix plus que correct ....
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The best ecig charger currently! Price more than correct .... (Posted on 12-09-18)
opus Review by joel
Rating
the best ever!
(Posted on 24-03-18)
Great response from Arjan Review by Ravi
Rating
We ordered four of these from Nkon (Arjan). The products were delivered next day in NL as promised by Arjan. Very happy with our experience with nkon (Arjan) thus far. (Posted on 08-11-17)
Best charger for the money, but Loud fan (v2.2) and a few quirks Review by schmadde
Rating
I got this charger for a bit over two years now (the v2.2 Version with the speed controlled fan). Bought it to supplement my BC-1000 since I need to charge 6-Packs of C-Cells sometimes and 18650 LiIon Batteries.

There are a few things I do not like about it:

- the fan ist still quite noisy, forget about (dis)charging while asleep
- The charger can accept C-Cells (size "Baby"), but only two of them
- you cannot control charge and discharge current at the same time. It can only discharge NiMH with 700mA max, which is too low for my taste.

According to a review it always charges with high current, but PWM - so stress on batteries is higher than with other charging methods. I did not see any negative effects in practice with my eneloops, so it may not matter.

But I have to say, it is the best charger for the money.

- charges NiCd, NiMH and LiIon
- can measure internal resistance, so you can quickly see if a battery is "dead"
- can measure capacity, and do so at different currents (mandatory feature in my opinion)
- can "refresh" cycle, which is useful for NiMH Batteries
- accepts cells larger than AA and 18650
- Power supply is 12V, so easy to find replacement, should it die one day

It is a good universal charger/analyzer, the only real problem is that it is too loud. Also, I would have wished for the charger to accept four C-Cells, not only two.

I struggled between giving 3 and 4 stars because of the noise - but at this price it really deserves a 4 star rating (Posted on 02-10-17)
Matériel de qualité - Quality materials Review by alinou
Rating
Chargeur incontournable pour toute personne qui veux prendre soin de ses batteries
Tout est réglable sur cet appareil et surtout une qualité de chargement hors pair. Je recommande nkon j'ai commandé depuis la France et aucun problème, le colis est arrivé en quatre jours. Je suis entièrement satisfait.
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Essential charger for anyone who wants to take care of its batteries
Everything is adjustable on this device and especially an unparalleled quality of loading. I recommend nkon I ordered from France and no problem, the package arrived in four days. I am completely satisfied. (Posted on 13-07-17)
OPUS è un po 'più costoso, ma di gran lunga migliore rispetto ai suoi concorrenti. - OPUS is a bit more expensive but far better than its competitors. Review by maldok
Rating
molto funzionale consigliatissimo
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Very functional highly recommended (Posted on 16-06-17)
Fast shipping Review by Martin
Rating
Product was shipped February 22 and was delivered this morning February 24. That's incredibly fast. (Posted on 24-02-17)
Super product Review by DK
Rating
Dit is een super goed toestel.
Refresht nieuwe en oude oplaadbare batterijen.
Je merkt dat je batterijen nog 10% capaciteit bevatten en opladen is meteen klaar...?
Een refresh zorgd voor 40, 50 zelfs 80% herstel van je oplaadbare batterijen.

Wel jammer dat de bijsluiter bij mijn toestel alleen in het engels werd meegeleverd en dat ik op het internet geen Nederlandstalige versie vind om te downloaden.

Anders is dit het beste toestel dat ik ook heb gehad.
Meet volt, Ap, mAp, tijdsduur, kracht,...

De investering is het waard. (Posted on 08-11-16)
Good one Review by Vladimir
Rating
Large display with backlight.
Really v2.2 with SILENT and intelligent cooler.
All OK.
Delivery to Russia (Moscow oblast) - 10 days.
Доставка в Россию (Московская область) - 10 дней. (Posted on 25-08-15)
gumstick NiMh - Panasonic HHF-AZ01 rechargeable Ni-MH Review by Yves Soussi
Rating
1) Panasonic HHF-AZ01 rechargeable Ni-MH

It is the best charger if you want to charge your gumstick NiMh (Posted on 17-06-15)
all types of batteries are charged properly. Review by YVES SOUSSI
Rating
1) all types of batteries are charged properly.

Charging voltage is regulated to 4.7V instead of 5.0V

Charging voltage is regulated to 4.7V instead of 5.0V, thus loading on power adapter when batteries are flat is less. 5.0V charging voltage has problem in regulating the correct current level due to this over loading current on power adapter, which lead to Panasonic brand Li-ion batteries showed wrong charging capacity value ( + 25 percent ). With 4.7V charging voltage, the load on power adapter is greatly reduced and thus can make all types of batteries are charged properly. (Posted on 15-06-15)
An Intelligent battery charger which is very Intelligent Review by YVES SOUSSI
Rating
1) An Intelligent battery charger which is very Intelligent !

2) Hobby charger : you have to fabricate holders and charging circuits to monitor each cell you're charging. But with this Opus BT-C3100, you can do it directly

3) Charges all chemistry
(Posted on 14-06-15)
OPUS 3100 Review by ludo
Rating
Fonction de charge avec amperage reglable independement sur chaqaue slot, fonction decharge, fonction test, fonction refresh , compatible avec tout les types de batteries, plus des protections et la fonction delta V, marche mille fois mieux que mon ancien nitecore D4, l'OPUS est un poil plus cher mais largement meilleur que ces concurrents.
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Charge function with adjustable amperage independantly on chaqaue slot, discharge function, function test, refresh function, compatible with all types of batteries, more protections and Delta V function, walking a thousand times better than my old Nitecore D4, OPUS is a tad more expensive but much better than these competitors .
(Posted on 13-06-15)
overwhelming charger Review by YVES SOUSSI
Rating
1) Charge Li-ION @ 2 Amp And discharge @ 1 Amp
2) Analyze the exact capacity of your Li-ion
3) Made with a new technology ! Chip On Board : the integrated circuit is a raw chip connected directly to the PCB. No more DIP package, expensive soldering, etc
4) New refresh mode can show you batteries capacity, letting you know real magnitude
It is a classic (Posted on 13-06-15)
2.000 mA Review by Yves Soussi
Rating
You can charge 2.000 mA each battery with this charger ... (Posted on 12-06-15)

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