About Payment 
 Shipping & Cost
 Battery SDS
 Battery Terminology
 Battery Knowledge
Privacy Policy
 Export restrictions


Shopper Award
Security Verified Seal

Li-ion 18500 Rechargeable Cell: 3.7V 1400mAh (5.18Wh) - UN38.3 Passed

Your Price: $4.95
In Stock

Product ID # 1335
Part Number:


* denotes required field

Add Tabs ?*

Quantity Discounts

5 to 20$4.80
21 to 50$4.70
51 to 100$4.60
101 or more$4.46


  • 3.7V 18500 size Cylindrical Li-Ion Cell
  • Lighter weight and higher energy density than any other rechargeable cell
  • 18500 cell is a little shorter than the 18650 cell, and it is perfect for building compact sizedpacks and high capacity packs for RC aircraft, RC cars, or camera battery.
Nominal Voltage Average 3.7 V
Nominal Capacity 1400 mAh,
Max.Charging current 1.4A Max.
Max. Discharging current 2.6 A max.(1.87c)
Dimensions (0.71") 18.3 mm (Max 18.4) x (1.97") 50.0 mm (Max 50.3)
Weight 34 g (1.2 oz)
Internal Impedance Internal Impedance: less or equal to 90 micro-ohm (with PTC)
Cycle Performance 80% of initial capacity at 300 cycles


  • Li-Ion Batteries may explode if charged or discharged improperly.
  • Please possess knowledge of electronic and understand hot to handle Li-ion battery.
  • We reserve the right not to sell and void the warranty it you don't meet the above statement.
  • Please use a protection IC (PCB) to keep battery from overcharge and over discharge
  • Never solder directly onto the Li-ion battery as overheat might cause battery to explode. If you are making a pack or need to solder batteries together, you need to get battery with tabs on it. You will solder to tabs instead directly onto the battery.
  • Please read more safety warning about Li-ion battery

Related Products

  • For DIY, please add tabs as an option at a little extra cost
  • Please choose our smart chargers to charge single 18500 cells
  • Need to DIY?  Please install our PCB or your own PCB withthe following features:
    • 4.2V/cell over-charge protection
    • 2.5V/cell over-discharge protection
    • Max currentover-drain protection
    • Shortcircuit protection.
  • Batteryspace.com is NOT liable for any mis-use due to any other brand of PCB applied
  • If you don't know how to make Li-Ion pack, please don't DIY, click here to choose a pre-wired Li-Ion pack module from 3.7V-37V

Related Products

Product Reviews

(4 Ratings, 2 Reviews) Average Rating:
Product was as specified and not easy to find elsewhere.
John (Rochester, NY 14625) 8/4/2015 1:53 PM
Product was as specified and not easy to find elsewhere.
Good Price
Michael E. Stora, Ph.D. (Maricopa, AZ) 5/13/2015 11:40 AM
I've used a few of these for "3xAAA in a barrel" flashlight conversions where an 1865 just will not fit. Only unusual thing to note is that the semi-button is not ferromagnetic on this particular cell (stainless?)

Thermal Spread Material used in Battery Pack Assembly
UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
Thermal Abuse Test for IEC62133
Lithium Battery Shipping Regulation
Show & Conference
Lithium Battery Power and Safety, Baltimore MD, Nov 17-19, 2015
The Battery Show, Novi. MI, Sept 15-17, 2015 Booth#1716
Battery Power 2015, Denver, CO, August 5-6, 2015 Booth#29
Next Generation Batteries Conference, San Diego, CA, April 21-22, Booth#9
32nd International Battery Exhibit, Mar.9-12,2015, Florida, Booth #209
More ...
Mailing Lists