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Panasonic NCR 18650B 3400mAh 4.9A - Protected Button Top Battery

Panasonic Protected NCR18650B Button Top 18650 Battery 3400 Lithium Ion Rechargeable

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  • Order 10 or more and pay only $6.90 each
  • Order 50 or more and pay only $6.40 each
  • Order 100 or more and pay only $5.90 each
  • Order 400 or more and pay only $5.65 each
  • Order 1000 or more and pay only $5.40 each
Price: $7.39

Stock Status: In Stock

Product Details

Panasonic NCR18650B 3400mAh 4.9A Battery - Protected Button Top

Please note this is a PROTECTED (PCB) 18650 Panasonic Battery. The PCB is a safety feature and acts as a fuse to protect the cell from short circuiting, overcharge, and undercharge. Please note once the PCB is tripped it cannot be reset and this will stop the battery from functioning.


  • Model: NCR18650B
  • Size: 18650
  • Style: Button Top
  • Chemistry: NCR
  • Nominal Capacity: 3400mAh
  • Continuous Discharge Rating: 4.9A
  • Nominal Voltage: 3.6v
  • Protected: Yes, PCB
  • Rechargeable: Yes
  • Approximate Dimensions: 18.90mm x 69.41mm
  • Approximate Weight: 48.1g

All batteries contain a label decal stating the approximate voltage and capacity. This label is easily removed to reveal the manufacturer print. The label decal is a requirement by the U.S. Government (IATA) which regulates the shipping of lithium ion batteries.


The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. This battery is sold for the use of system integrations with proper protection circuitry or battery packs with a battery management system or PCB (circuit board/module). Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. Charge only with a smart charger designed for this specific type of lithium ion battery.

  • Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death
  • ONLY use with proper protection circuitry
  • ONLY use within manufacturer specification
  • DO NOT store loose in pocket, purse, etc. – always use a protective case
  • KEEP AWAY from metal objects to prevent short circuiting
  • DO NOT short circuit
  • DO NOT use if wrapper or insulator is damaged or torn
  • DO NOT use if damaged in any way
  • DO NOT overcharge or over-discharge
  • DO NOT modify, disassemble, puncture, cut, crush, or incinerate
  • DO NOT expose to liquids or high temperatures
  • DO NOT solder
  • User must be familiar with handling lithium ion batteries before purchase
  • Usage of batteries is AT YOUR OWN RISK

Local regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary so please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable batteries.

Average Rating: 4.5 of 5 Total Reviews: 20 Write a review »

  0 of 0 people found the following review helpful:
protected battery January 21, 2019
Reviewer: CINDY from United States  

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  0 of 0 people found the following review helpful:
Seemed great January 21, 2019
Reviewer: Anonymous Person from Strongsville, OH United States  
Put them on the charger when I got them they both showed good, and charged right up, fast shipping but took 48 hours to process.

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  0 of 0 people found the following review helpful:
Better than any 18650s I've ever owned January 7, 2019
Reviewer: Sandy Somers from Leavenworth, KS United States  
I bought 16 Panasonic batteries and found one bad one.  Apparently the protection circuit would  not allow a charge.  But the team at the 18650batterystore sent me a new replacement the same day I contacted them.  Great store!

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  0 of 0 people found the following review helpful:
The right battery, first rattle out of the box December 16, 2018
Reviewer: Terry O from Warrenton, MO United States  
I agonized mire over the correct battery for my flashlight, than the light itself. I based my purchase on reviews I read.  Works as advertised, and I am completely satisfied.

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  0 of 0 people found the following review helpful:
December 15, 2018
Reviewer: Waleed Siddiqi from GLEN ALLEN, VA United States  

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