Panasonic 18650 3.7v 3400mah With New Positive Cap (NCR18650B)

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Mr Positives new version of the popular Panasonic 18650 3.7v 3400mah NCR18650B battery with better positive terminal design to suit a wider range of devices. This battery has been made to our specs using a standard Panasonic 3400mah NCR18650B and a modified cap that is attached to the positive terminal as well as a protective shrink wrap. The addition of the modified positive terminal cap allows for the battery to be used in a wider range of devices and chargers. The original Panasonic NCR18650B cell featured very flat positive end. In some devices this design did not allow for good electrical contact. Particularly if there was more than battery used in the device.

This new version of our Panasonic NCR18650B is as a result of customer feedback around the original NCR18650B and its limitation in certain high powered torches. This battery is shrink wrapped to protect cell and the modified cap. The standard Panasonic NCR18650B is inside shrink wrap as in the third product image.

This cell is a RAW cell and does not have any built in protection circuitry.

Why would you chose this product?

If you are looking for a reliable 18650 cell that provides its rated capacity, look no further than our Panasonic 18650's. They are proven to outperform many cheap brands available in the market and many impartial online electrics communities point to Panasonic 18650's as the best of the bunch. Don't trust very cheap unknown brands that claim outrageous capacity that ultimately defy simple laws of physics!

Always pick branded reliable 18650's and don't trust batteries that claim very high capacity at a fraction of the price. Just because the label states a very high number it doesn't necessarily mean it is true. Unfortunately the market is flooded with knockoffs and 18650 batteries with all sorts of false ratings. Check the product video on fake batteries below for just one example.


Voltage: 3.7v
Capacity: 3400mAh
Chemistry: Li-Ion
Weight: 40g (ea)
Diameter: 18.4mm
Length: 67.4mm (to end of positive terminal)

Product brochure / datasheet can be downloaded by clicking the PDF icon just below the main image.

Please Note:

The addition of cap increases the length from original Panasonic NCR18650B. The downloadable data sheet refers to the original NCR18650B charge, discharge and temperature characteristics which are still accurate. However dimensions are different as the cell has been modified with addition of cap. Please refer to our specifications for battery dimensions.

Final product colour may vary.


Product Videos

SKU P186503400V2
Model # NCR18650B
Barcode # 2000000004648


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