Panasonic-Sanyo 18650 NCR18650BF 3400mAh Li-ion Battery - Flat top

Free Battery Case is included when batteries are bought in quantities of 2 or multiples of 2. (Example 2, 4, 6, 8, 10, etc.)
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New 18650 li-ion rechargeable battery cell from Panasonic-Sanyo. Very good discharging voltage curve under load.


Battery specs:

Capacity (Ah): 3.4 Ah ( 3400mAh)

Nominal Capacity (Ah): 3.35 Ah ( 3350mAh )

Charging Voltage (V): 4.2 V 

Energy (Wh): 12 Wh 

Energy Density (Wh/L): 677 Wh/L 

Nominal Voltage (V): 3.6V-3.7V 

Weight (g): 46.5 g 

Diameter (mm): 18.2 mm (+/- 0.03 mm) 

Height (mm): 65 mm (+/- 0.03 mm) 

Top (positive side): Flat top 

Model: NCR18650BF 

Made by Panasonic / Sanyo

NCR18650BF Datasheet Specifications




  • Never completely discharge li-ion battery ( below 2.5V under load ).
  • Charge fully to 4.2V before first use.
  • Never use force to install (insert) li-ion battery.
  • Do not use old and new battery cells together. 
  • Use only high quality battery charger.
  • Do not expose to heat. 
  • Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). Keep battery that is not in use in plastic holder (or any insulating [plastic] container).
  • Never charge battery over 4.25V (another reason to use high quality battery charger).
  • Do not charge unattended.
  • Do not use old, and new cells together.
  • Do not store your li-ion batteries fully charged (for extended period of time).
  • Store in cold and dry place at approximately 3.7V (storage charge).
  • After battery is discharged-don't leave it discharged=>charge it ASAP.



What is in the box?

Panasonic 18650 3400mAh NCR18650BF li-ion rechargeable battery.

Protective plastic battery holder / case

Pro packaging for safe shipping.


Price listed is for one battery cell.

Very fast shipping from Florida - USA.

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