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
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
- Excellent Review by hazfiend
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Rating - No.1 charger ever! Review by Tomo
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Rating - good Review by Marcin
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- charger is noisy
- no automatic discharge and charge function (Posted on 20-12-20) - Le must des chargeur 18650 Review by angélique
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Pour moi c'est le meilleur chargeur d'accus .
Oui , on ne peux pas dormir à coter , charger toujours vos batteries sous la surveillance de quelqu'un , un accident est toujours possible (feu , explosion d'un accus) , je charge le soir quand je suis là , et l'éteint si je sort et remet mes accus en charge à mon retour .
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Hello, I bought it in 2016 (not here), still works.
For me it is the best battery charger.
Yes, we cannot sleep nearby, always charge your batteries under someone's supervision, an accident is always possible (fire, explosion of a battery), I charge in the evening when I am there, and turn it off if I go out and put my batteries back on my return. (Posted on 16-11-20) - this is the safer and the best charger Review by Jean-Claude
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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
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Rating - Noisy Review by Narcis
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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) - opus Review by joel
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(Posted on 24-03-18) - Great response from Arjan Review by Ravi
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Rating - Best charger for the money, but Loud fan (v2.2) and a few quirks Review by schmadde
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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
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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
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Very functional highly recommended (Posted on 16-06-17) - Fast shipping Review by Martin
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Rating - Opus bt-c3100 version 2.2 Review by Vladimir
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Excellent charger, use more than a year of experience. (Posted on 18-11-16) - Отличный продавец- отличные товары Review by Vladimir
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Thank seller for the excellent work. Submitted laid during the three days. Sending reached a half weeks in the Irkutsk region. Excellent charger. There are all the necessary functionality. I feel about a month. I charge every day. Everything is working. Read the instructions for use for everything is described. (Posted on 12-09-16) - Good one Review by Vladimir
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Rating
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
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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
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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
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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
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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
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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
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Write Your Own Review
Do not try to charge lisoci2 cells (like saft ls14500 or tadiran sl-760) this are not rechargabel cells and will explode if you charge them