UR18650NSX Panasonic-Sanyo 18650 Battery Li-ion High Drain IMR 3.7V 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.)

Temporarily Unavailable


New 18650 High Drain battery from Panasonic-Sanyo.

UR18650NSX 3.7V Li-ion High Drain

Free Battery case included with each pair of batteries purchased.

Battery Specifications:

Model name: UR18650NSX
Typical Capacity: 2.6 Ah | 2600 mAh
Minimum Capacity:2.5 Ah | 2500 mAh
Maximum Continuous Discharge Current: 20A | 20000mA
Full Charge Voltage: 4.2V
Nominal Voltage: 3.6V-3.7V
Made by Panasonic-Sanyo
Made in Japan

Operating Temperature (Cell Surface Temperature):

Charging 10 ~ 45 DEGREES CELSIUS
Discharging -20 ~ 60 DEGREES CELSIUS

Charging Batteries:

Recommended Charge Constant Current: 1750 mA - 2000 mA
UR18650NSX can be charged with lower charging current | charging process will take longer.
Max. Charging Constant Voltage: 4.2V
End of charge current cutoff: 100mA
Standard Charging Time: 180min


Size / Weight:

18650 Exact Dimensions: Max [H] 65.30 mm x Max [D] 18.50 mm (+/- 0.3 mm)
Weight: 45.8g Max.
Positive terminal: Flat Top
External Electronic Protection: No (unprotected)


Highly recommended charger for UR-18650-NSX when charging 2 batteries is Xtar VC2S
If you want to charge 1, 2, 3, or 4 batteries at the same time Xtar VC4 is one of the best chargers for that.


Manufacturer specs sheet:

UR18650NSX battery datasheet from Panasonic-Sanyo.



Never completely discharge li-ion battery ( below 2.5V under load ).
Charge fully to 4.2V before first use.
Use charger specifically made for Li-ion batteries only.
Do not charge unattended.
Never attach any metal moving part |magnet| to the top-positive, or the bottom-negative battery contact.
Never use force to install (insert) li-ion battery.
Do not use old and new batteries 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).
Do not charge battery over 4.23V (another reason to use high quality battery charger).
Stop using battery with damaged PVC tube (wrap) immediately.
Do not store your li-ion batteries fully charged (for extended period of time - 1 month and longer).
Store in cold and dry place at approximately 3.7V (storage charge).
After battery is discharged-don't leave it discharged=>charge it as soon as possible.


These are high discharge current & high capacity 18650 Li-ion batteries.
If mishandled or mistreated, these batteries can cause you SERIOUS INJURY. USE AT YOUR OWN RISK.

What is in the box?

Sanyo-Panasonic High Drain 18650 20A 2600mAh UR18650NSX hybrid IMR rechargeable li-ion battery.
Plastic safety battery case.
Pro packaging for your safety

Price listed is for one battery cell.
Very fast shipping from Florida - USA.

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