18650 Protected 3400mAh Li-ion Rechargeable Battery Orbtronic - For High Performance Flashlights - Battery Case Included

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  • 18650 Protected 3400mAh Li-ion Rechargeable Battery Orbtronic
  • 18650 Protected 3400mAh Li-ion Rechargeable Battery Orbtronic - For High Performance Flashlights - Battery Case Included
  • 18650 Protected 3400mAh Li-ion Rechargeable Battery Orbtronic - For High Performance Flashlights - Battery Case Included


18650 High performance 3400mAh battery | Orbtronic (Panasonic inside) PROTECTED (Seiko inside) Li-ion 3.7V rechargeable cell.

Best 18650 battery for high power flashlights.

Unlike other protected 18650 batteries that will cut off all power at only 4 Amps, Orbtronic protected 18650 battery will provide power at currents much higher than 4 Amps, and let you use your high power flashlight without any interruption.

PROTECTED 3400mAh Panasonic 18650 li-ion 3.7V battery by Orbtronic - Panasonic NCR18650B 3400mAh core cell is used to build these powerful li-ion batteries.


Over-current (Activated @ 10A-12A), Over-charge (Activated @ 4.35V) - Over-discharge (Activated @ 2.5V) - Over-temp. and DUAL short circuit protection (External, and Internal).Protection circuit designed by Seiko. ICs made in Japan.

Best battery for High-Power flashlight users, or for anyone who is looking for the longest run time possible. This is one of the largest REAL capacity cells available on US market.

Very safe to operate, Orbtronic 18650 Li-ion protected battery will automatically disconnect itself from el. circuit in case of: Short circuit - Extreme temperature, Abnormally high current , Over-voltage - Over-charge, Over discharge.

Battery cell: Panasonic NCR18650B, Capacity (Ah): 3.4 Ah (3400mAh), Charging Voltage (V): 4.2 V, Energy (Wh): 12.2 Wh, Energy Density (Wh/L): 730 Wh/L, Nominal Voltage (V): 3.6V - 3.7V, Weight (g): 46 g, Diameter (mm): 18.6 mm (+/- 0.03), Length (mm): 68.9 mm (+/- 0.03) -- Top Button (Positive) made of Nickel (Ni) - Negative made of Copper (Cu) for an ideal conductivity, and durability.

UN38.3 tested and available

Button top.

Full Dual Protection.



  • Capacity (Ah): 3.4 Ah (3400mAh)

  • Energy (Wh): 12.2 Wh

  • Energy Density (Wh/L): 730 Wh/L

  • Nominal Voltage (V): 3.6V - 3.7V

  • Charging Voltage (V): 4.2 V

  • Weight (g): 46 g /1.62 oz

  • Diameter (mm): 18.6 mm (+/- 0.03)

  • Height (mm): 68.9 mm (+/- 0.03)

  • Max. Discharge rate: 2C (6.8A)

  • Pulse current (5-6 sec.): 10A

  • Chemical Composition: Li-ion (Lithium-Ion) Hybrid

  • Cell model: Panasonic NCR18650B

  • Protection ICs: Made in Japan (Design by Seiko)

  • Bare Cell: Made by Panasonic, Made in Japan

  • Button Top: Yes

  • External |welded PCB | Protection: Yes


  • Over-charge (Activated @ 4.33V)

  • Over-discharge (Activated @ 2.5V)

  • Over-current (Activated @ 10A-12A)

  • Overheating, and dual short circuit protection (External, and Internal).



Electronic cigarette (e-cig) users: Protected 18650 batteries are larger (in diameter, and length) and are not suitable for e-cig mods. 

This 3400mAh model is made for LED flashlights, and any device that runs on protected 18650 battery.



  • Never use force to install (insert) li-ion battery.

  • Charge fully before first use.

  • Use only high quality Li-ion battery CC/CV chargers.

  • Do not expose to heat.

  • Never charge battery over 4.25V (another reason to use good Li-ion battery charger).

  • Do not charge unattended.

  • Do not store your li-ion batteries fully charged (for an extended period of time-one month and more).

  • After battery is discharged - don't leave it discharged > charge it as soon as possible.

  • Store in cold and dry place at approximately 3.6V-3.7V (Panasonic recommended storage charge).

  • Never try to charge li-ion batteries with batt. chargers that are not made for Li-ion batteries.

  • Do not try to open, or modify this battery.

  • Do not drop on hard surface (there are sensitive SMD components inside this battery).


All Batteries Are Sold Individually Unless Stated Otherwise. We sell only GRADE A cells (highest quality, and dependability by all manufacturing standards).


What is in the box?

  • Orbtronic 3400mAh 18650 Protected Li-ion rechargeable battery cell (Panasonic NCR18650B inside).
  • Battery case provided with each pair of batteries purchased
  • Safe packaging


Price listed is for one battery cell.

We ship very fast from Florida - USA.


Unprotected Flat or Button top 18650 batteries are also available:


3500mAh 18650 High Drain Hybrid IMR Rechargeable Battery 3.7V Flat or Button top Orbtronic


18650 30A 2100mAh 18650 battery High Drain Hybrid IMR 3.7V Orbtronic

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