Panasonic NCR18650B (Unprotected, Button-top)

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We've taken the Panasonic B, welded a button-top to the positive terminal, and shrink-wrapped an additional clear PVC around it. This makes the cell slightly longer, and allows it to work in additional devices. A button-top also makes the cell a little safer as it is harder to short-circuit, and easier to exchange between device and charger.

Do you want a button-top, but not the Panasonic B? We can add protective circuitry and button-tops to any of our cells. Just send us a message

Button-tops are ideal for flashlight users.

Battery specifications:

  • Model: NCR18650B
  • Positive terminal style: Button-top
  • Protected (PCB): No
  • Manufacturer: Panasonic
  • Country of Origin: Japan
  • Chemistry: NCR
  • Max. continuous discharge current: 4.875A
  • Rated capacity (minimum): 3200 mAh
  • Nominal capacity: 3350 mAh
  • Nominal voltage: 3.6 V
  • Discharge end voltage: 2.5 V
  • Charging voltage: 4.20 +/- 0.03 V
  • Standard charging current: 1.625 A

Here is a link to the spec sheet.

Battery Bro has your back

Never worry about quality when buying from Battery Bro. We make sure you have the latest, greatest cutting-edge batteries, every time. 

Price

18650 batteries are commodity cells, and as a wholesaler we understand how important price is to your bottom-line. As such, we offer international shipping directly from Asia to save money at higher quantities.

Shipping

Shipping is 100% free in the continental US when shipped from our California warehouse. You pay what you see above and nothing more. Simple as that.

  • We ship worldwide! Learn more about our new PostNord shipping option for low quantity orders offered direct from our Asia warehouse.

With Battery Bro, we take care of customs clearance, international or domestic shipping to your door.

21-day full refund

Full 21-day refund on all orders. Buy our products, and if you're not satisfied, you get your money back.

Quality guarantee

Battery Bro takes several measures to make sure your batteries are of the highest quality:

  • We only deal with manufacturers or authorized distributors.
  • We inspect every battery and do our own testing.
  • We track each battery case with a unique authenticity code.

In Asia, 18650 batteries are binned by quality into A, B, and lower bins. C-bin batteries are often recycled from battery packs. Lower bin batteries will underperform and may be dangerous.

Battery Bro guarantees that all our batteries are Grade A. 

Safety

Take a look at our 18650 battery safety infographic

Some general tips

  • Do not exceed max. continuous discharge ratings.
  • Keep temperature under 60 degrees Celsius.
  • Do not carry loose batteries in your pocket.

Free Safety Booklets

For retailers selling 18650 batteries: 

18650 safety booklet

Increase battery sales and protect yourself from liability with 18650 safety booklets.

Customers ignorant to battery safety are not likely to purchase 18650 batteries or upgrade to MODs which require them.

You, the store owner can show your customers your shop cares about their safety

Simply bundle our safety booklets with the batteries you sell.

  • Did you know? In 2015, an e-cig shop was sued for one million dollars when a battery short-circuited in a customer's pocket. A safety booklet could have prevented that and protected the retailer from a lawsuit.

    Get 50 free booklets on your first purchase of 20 cells or more.

    Visit the battery booklet product page.