2pcs NCR18650B 3.7V 3400mAh 18650 Rechargeable Li-ion Battery

- GREEN 2PCS 129873002

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Designed for LED flashlights, headlights, electric cigarettes, household electrical appliances, digital devices, RC toys, etc.



Type: Battery
Battery Type: Lithium-ion
Head Type: Flat Top
Rechargeable: Yes
Protected: No
Voltage(V): 3.7V
Suitable for: Digital Camera,Electronic Cigarette,Flashlight

Dimension and Weight

Product weight: 0.047 kg
Package weight: 0.150 kg
Product size (L x W x H): 6.50 x 1.80 x 1.80 cm / 2.56 x 0.71 x 0.71 inches
Package size (L x W x H): 8.00 x 5.00 x 3.00 cm / 3.15 x 1.97 x 1.18 inches

Package Contents

Package Contents: 2 x 18650 Li-ion Battery

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Customer Reviews

4.93 out of 5
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  • Bram Pribadi
    Best value original NCR18650B
    Color:Green Size:4PCS
    Real capacity as per specification. NCR18650B rated around 3200 to 3350 mAh. I tested all 4 batteries for 3 cycles using LiitoKala Engineer Lii-500 charger, and the result was consistent. 3 batteries rated between 3220 - 3270 mAh, one battery around 3150 mAh. Fyi, LiitoKala Lii-500 discharge cut-off voltage is only down to around 2.8 volt, while NCR18650B fully discharge voltage is 2.5 volt. Therefore the discharge capacity measured using Lii-500 will be slightly lower, due to higher cut-off voltage. So practically we can say this NCR18650B meet the rated capacity. Maybe only slightly lower, but for the much lower price, it is really a bargain!

    Excellent price! Original NCR18650B normally priced around $5. I bought it during flash sale, so the price was really low, only around $3.32 each.

    It comes with plastic battery case, labelled with date, that probably the production date. I bought at 4th July 2016, I got batteries dated 20th May 2016. Good fresh new batteries.
    Considering the price, none.

    Jul 14,2016

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  • Jakubek
    High capacity, good quality
    Color:Green Size:4PCS
    Seems like these are original (or well copied) Panasonic cells. Capacity is somewhere around rated value. I use them mostly to power simple 1-cell powerbanks and they deliver at least 9 Wh of power at output. At 80% of conversion efficiency this is pretty much rated 11+ Wh. Haven't measured it properly yet but I guess it's pointless, they seem to keep up. They come with cool little plastic transparent box that you can hang on your wall if you wish to :) Bought them for $14, recommended for the price. Watch for discounts - the next day they were priced at $11 - now that's a bargain!
    Don't see any. Green outer shell could be more durable.

    Oct 07,2016

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  • Flav
    Best hobby cells (not for vaping)
    Color:Green Size:4PCS
    Highest available capacity 18650
    Trusted Brand
    Best non bulk price I could find on the internet, so good that it's worth the wait and I went ahead and reordered numerous times.
    Every batch I got was manufactured only a few months before I purchased them, making these about as fresh as they get.
    Use these in all sorts of hobby applications like flashlights, emergency(and power outage) lighting, wireless devices, solar lights, etc.. Just mind the 2C discharge rate and the temperature and your imagination is the limit in usage.
    NONE that I could come up with.

    To everyone using these for vaping....if you don't stay under the 2C discharge rating (about 6 Amps) STOP USING THEM THAT WAY. There are far better cells here for about the same price that are far better for that use.

    Jun 02,2016

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  • Very good batteries.
    I recommend these batteries!
    Color:Green Size:8PCS
    I have bought these batteries to replace the 18650 cells of my dell XPS battery pack. I don't have an appropriate charger for these batteries, just a powerbank that uses 18650 cells. Upon charge, I checked the voltage on the 18650 cells were 4.05 Volts, not the 4.20 Volts you will get with a professional charger. I have a discharge meter and I got 2850 mAh out of this charge with a discharge rate of 1amps. I'm sure I'll get 3200 mAh or even more out of a single full charge.
    I recommend these batteries and I will buy more!

    Aug 08,2017

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  • KURT
    NCR18650B 3.7V 3400mAh 18650
    Color:Green Size:4PCS
    This is the best 4.2V Li-ion 18650 battery market is characterized by very high capacity, low internal resistance, do not suffer from memory effect (can be charged at any time), nor self-discharge. Li-ion 18650 in size are the best choice in terms of stored energy due to the size and weight of the battery.
    Charging time 4-6h - depending on the type of charger !! - Some chargers can recharge this battery up to 12 hours

    May 26,2016

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  • Tom Nowaczyk
    Color:Green Size:2PCS
    Ordered 2 of those.
    Units were partially charged.
    Used Xtar VC4
    First charging with 0.5A current, stopped charging in both cases under 2000mAh - when voltage reached 4.2V
    Was Disapointed- but discharged with my torches and recharge again.
    Both batteries after 2nd charge came about - respectively 3457mAh & 3378mAh :-)

    -good price
    -both with 3400mAh - as advertised
    - make 2-3 charging cycles to reach full capacity.

    Feb 20,2016

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  • NCR 18650
    Jean François
    Color:Green Size:4PCS
    Having already bought these batteries on Gearbest and having used them for 8 months without problem, I bought because I am happy. These batteries are much better than others and they have a good capacity that allows them to use them much longer. In addition they are delivered in a box which is really good because it protects them and can be transported safely. Thanks GearBest.

    Jan 28,2017

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  • Julian
    Genuine Panasonic NCR18650B
    Color:Green Size:1Pc
    The NCR18650B 18650 Li-ion batteries made by Panasonic are genuine.
    I have tested the capacity and it is consistent with the product description.
    I use the batteries for a small power bank.

    Please note that the capacity in a power bank may differ to 200mAh.
    This is due to the charging circuit.

    I recommend the batteries.
    Great value for money.

    Dec 13,2015

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  • Tw33k5
    good quality of batts
    Color:Green Size:4PCS
    they came in a nice box. :) i was really surprised, i can keep them inside of that, its pretty awesome.
    i heard its a good quality of batteries, i read several reviews and tests and everybody says it does what it needs to. :)
    they came discharged, but it's all good, however charging them takes lots of times (big capacity.. :))
    really.. idk.. no cons. :) i hope they will last long.

    Nov 14,2017

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  • Vladlen
    NCR18650B 3,7 3400mAh
    Color:Green Size:4PCS
    - Panasonic
    - The actual capacity was lower than was indicated . The difference is 400 - 450mAh significant. And it's all 4 batteries. The support team was told that this is normal , but it's not normal for Panasonic . It was a lot disappointed and support.
    - Packaging - the usual zip package
    - The actual capacity was lower than was indicated . The difference is 400 - 450mAh significant. And it's all 4 batteries. The support team was told that this is normal , but it's not normal for Panasonic . It was a lot disappointed and support.
    - Packaging - the usual zip package

    Jan 06,2016

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