Sub-Zero Low Temperature 18650 Protected High Performance Li-ion 3.7V Battery Rechargeable

Free Battery Case is included when batteries are bought in quantities of 2 or multiples of 2. (Example 2, 4, 6, 8, 10, etc.)
  • Low Temperature 18650 SUB-Zero Li-ion Battery
  • Sub-Zero Low Temperature 18650 Protected High Performance Li-ion 3.7V Battery Rechargeable

Temporarily Unavailable


Superior Sub-Zero Temperature Performance 18650 Protected Li-ion Rechargeable battery.

Button top.

Full Dual Protection.



  • Capacity (Ah): 2.9 Ah (2900mAh)
  • Energy (Wh): 10.73 Wh
  • Energy Density (Wh/L): 577 Wh/L
  • Nominal Voltage (V): 3.6V - 3.7V
  • Charging Voltage (V): 4.2 V
  • Weight (g): 47 g 
  • Diameter (mm): 18.6 mm (+/- 0.03)
  • Height (mm): 68.9 mm (+/- 0.03)
  • Max. Discharge rate: 10A
  • Chemical Composition: Li-ion (Lithium-Ion)
  • Core Cell model: Panasonic NCR18650F
  • Protection ICs: Made in Japan (Design by Seiko)
  • Core Cell: Made by Panasonic, Made in Japan
  • Button Top: Yes
  • External |welded PCB | Electronic Protection: Yes
  • Part No. 18-SZ


Max Discharge Low: -20.00 °C

Max Discharge High: 60.00 °C

Max Charge Low: 0.00 °C

Max Charge High: 45.00 °C


  • 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: Orbtronic Protected 18650 batteries are made for LED flashlights and not for e-cig devices. Please do not buy.



  • 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 the 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 the 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 a 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 Sub-Zero 18650 Protected Li-ion rechargeable battery cell 
  • Battery case provided with each pair of batteries purchased
  • Safe Li-ion packaging

Price listed is for one battery cell.

We ship very fast from Florida - USA.

View AllClose