Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100

Zeepin Opus BT-C3100 V2.2 Smart 4 Port Battery Charger for LCD Li-ion NiCd NiMh AA AAA 10440 14500 16340 17335 17500 BT C3100

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Product Description

Main Features:
NEW LED back light displays charging / discharging / quick test / circuit more clearly in the dark
New refresh mode can show you batteries capacity, letting you know real magnitude
The charging current can be selected to be 200mA, 300mA, 500mA, 700mA or 1000mA ( 1500mA and 2000mA can only be applied when only slot 1 or 4 is selected ). Default discharging current is 500mA
It provides four independent charging slots for rechargeable batteries. The charger can charge batteries of different types and sizes and with different capacities at the same time
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. ( 3.7 Li-FeO4 and 4.35 type high voltage batteries charging mode can be selected through switch on board )
The charger also includes overheat detection to protect rechargeable batteries and charger itself from overheating
New added quick test mode to test the battery impedance
Four Working Mode Available at User's Choice: Charge, Discharge, Test, Quick Test and Refresh
Easy to read LCD with back light Showing Battery Voltage, Charge / Discharge Current, Charging Time, Battery Capacity etc.
Designed for AA ( LR6 ) and AAA ( LR3) NiCd, NiMH or 3.7V Li-ion rechargeable batteries in size type of 10440, 14500, 16340, 17335, 17500, 18490, 17670, 18650
Ideal for office and home use
Operating temperature: 0 – 40 deg.C
Max charging capacity: Up to 20000mAh
Power adapter: DC 12V, 3.0A ( Output ), 100-240V, 50 / 60Hz ( Input )
Note: Battery not included
This charger is a analyzing LiIon and NiMH charger, this means the charger can both charge and discharge while measuring. The total number of function is large and this means the technical section in this review is very large. When the charger is turned on, it displays test where all the text can be seen.
When startup is finished it is possible to select mode:

  • CHARGE: Charge battery with 200 to 1000 (2000) mA.
  • DISCHARGE: Discharge battery with 200 to 1000 mA.
  • DISCHARGE REFRESH: Discharge and charge the battery 3 times.
  • CHARGE TEST: Charge, discharge and charge the battery, show how much current was discharged.
  • QUICK TEST: Measure the internal resistance of the battery.

When display is flashing it is possible to select mode and current.
Using the slot button it is possible to reselect a slot and change parameters for it, also when charger is working.
When putting multiple batteries in the charger at the same time, it is possible to select mode and current simultaneous for all of them (Very nice).

When charging or discharging it is possible to use the DISPLAY button to select between V, mA and mAh.
The display button can also be used when the charge/discharge is finished, but the charger will change back to FULL display rather quickly.

Here is an example where I have selected different functions for each slot.

Each time a button is pressed, the light turns on for a 20 seconds.
The FULL and NULL message can also be seen. The charger uses an external 12 volt power supply at 3A (see later).
It has a fan, this is necesary to handle all four channels at full power. Even with only one channel in use the fan, it start and stop very often. The fan is not very loud, but due to the starting and stopping it is very annoying. The charger uses the classical slider construction to handle most battery sizes. The slider works smoothly and can handle sizes from 32 mm to 72.5 mm.
For measuring internal resistance the slider is not very good, it often has a HIGH connection resistance. A couple of different NiMH batteries in the charger. And some LiIon batteries.

Using only slot 1 and 4, the maximum charge current is 2000mA.
In all other cases the maximum charge current is 1000mA.
The maximum discharge current is always 1000mA.

Charge currents: 200, 300, 500, 700, 1000, 1500, 2000
Discharge currents: 200, 300, 500, 700, 1000 The charger can easily handle 70 mm long batteries
It is recommended to charge smaller batteries in the two center slots.
The charger has an internal switch marked with 3.7V, 4.20V and 4.35V. I have not tested this switch, because it is internal, but it might be possible to charge other Li-ion chemistries. Type: Charger
Brand: Zeepin
Model: BT-C3100 V2.2
Plug: US adapter
Charging Cell Type: Ni-MH, NiCd, Lithium Ion
Compatible : 10440, 22650, 10340, 18650, 16340 (RCR123), 14500, 18500, 26650
Rechargeable Battery Qty: 4
Input Voltage: AC 100~240V 50/60HZ
Output Voltage: DC 12V, 3.0A LCD Screen: YES
Auto Circuit Detection: YES
Built-in Protected Circuit: YES
Over Voltage Protection: YES
Short-Circuit Protection: YES
Over-Charging Protection: YES
Over-Discharging Protection: YES Battery Quantity: 4 Package weight: 0.53 kg Product size (L x W x H): 14.4 x 9.8 x 3.9 cm / 5.66 x 3.85 x 1.53 inches
Package size (L x W x H): 16 x 22 x 5 cm / 6.29 x 8.65 x 1.97 inches Package Contents: 1 x Battery Charger, 1 x US Power Adapter, 1 x English User Manual If you have any questions about this product, delivery, payment options, etc, please feel free to submit your enquiry. We will reply to you within 24 hours.

Item Specifics

Brand Name: 
 Zeepin
Quick charge: 
 No
Use: 
 Standard Battery
Package: 
 Yes
Battery Number: 
 4 Port
Type: 
 Electric
Intelligent Charge: 
 No
Display screen: 
 Yes
Bundle: 
 Bundle 4
Model Number: 
 BT-C3100 V2.2
Type: 
 Charger
Charging Cell Type: 
 Ni-MH, NiCd, Lithium Ion
Compatible: 
 18500, 26650, 10440, 22650, 10340, 18650, 16340 (RCR123), 14500
Model: 
 BT-C3100 V2.2

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of sunsolarproduct (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of sunsolarproduct.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.