1-10PCS VariCore protected for  18650 3400mAh battery NCR18650B with original new PCB 3.7V  Suitable for flashlights
ID: 2845

1-10PCS VariCore protected for 18650 3400mAh battery NCR18650B with original new PCB 3.7V Suitable for flashlights

4.8 (126 votes) | 690 orders
Price: US $33.40 - 87.46 / piece
Discount Price:
US $ 31.18 - 70.29 / piece

    Dear customer friend, you are welcome to VariCore brand stores, some recent customer friend feedback, the purchase of the battery, the charger capacity testing capacity than the previous low, here we make a notice, please friends before buying Carefully read this passage, thank you!
         First of all, the type of charger on the market is very much different, with different charger test, the capacity of the display will be different, there is because some countries have become cold, the battery capacity will be affected, the relative Low.
        We summarize the feedback of many friends, for this section battery capacity testing, the actual test capacity is 3050-3450mAh, bought friends, if you test the capacity of 3050-3450mAh, please customers not to friends capacity Not enough for the reason, and to our dispute refunds. If you mind, please do not buy! Thank you


US $7.99
US $20.99
US $17.99
US $4.99
US $5.39
US $6.08
US $9.60
US $5.62
US $8.10
US $23.10


 Original protected 18650 3.7 V 3400 mAh rechargeable batteries NCR18650B Industrial use


 Battery brand and type VariCore
 Battery  NCR18650B
 Diameter  18.4mm
 Height  69.5mm
 Sustainable Current 3A
Life cycle  1000
 Battery capacity  3400mAh
 Standard voltage  3.6V-3.75V
 Full charging voltage  4.2V

Protection board integrates two Mos, the maximum discharge current of about 3Ah,

low-voltage protection is 2.75V (+ - 0.05V), high-voltage protection for 4.2V (+ - 0.05V).



1. The high capacity, small size, light weight
2. stable discharge voltage
3. Continuous discharge rate high
4.The internal resistance
5. pollution, long cycle life



1,    we only support Alipay payment.
2,    your shipping address must match the address with your order.
3,    product images will make some deal, and there will be deviations in each display shows     color, so the picture is only for your reference.
4.    Our delivery period is two to three days is sent, if you have not found the next day to buy the product shipped, please do not worry, we will give you send out within three days.
5.    If within 30 days you have not received the goods, please contact us. We will track the goods and give you an answer as soon as possible.
6.    If within 90 days you have not received the goods, we will refund the money to you.
7.    When you receive the product, please give us confirmation and give us a good evaluation.
8,    because your feedback on our business development is very important, and we sincerely hope that you positive feedback, you only need one minute of time, but one minute will give us a very important significance.
9,    if there are any negative issues during the shopping, please contact us and we work together to solve.
10,  your satisfaction is our goal, I wish you a happy life!

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Packaging Details

  • Unit Type: piece
  • Package Weight: 0.4kg (0.88lb.)
  • Package Size: 15cm x 13cm x 12cm (5.91in x 5.12in x 4.72in)

  • Brand Name: VariCore
  • Model Number: NCR 18650B
  • Type: Li-Ion
  • Nominal Capacity: 3001-3500mAh
  • Set Type: Batteries Only
  • Bundle: Bundle 1
  • Replacement Battery: Yes
  • Battery Number: 1-10
  • Size: 18.4*69.2mm
  • is_customized: Yes
  • Nominal Capacity: 3400mah
  • Replacement Battery: Yes


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 location 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 10-30 Business days
Canada, Europe 10-30 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.

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.

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.


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.


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(60 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 receive 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 CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cntronic.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 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.


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.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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