Skip to content
  • 💰 Big savings with 20-40% off! 💰
  • 💰 Big savings with 20-40% off! 💰
GearNest ShopGearNest Shop
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Knives and Tools
    • Kitchen Knives
    • Knife Sharpeners
    • UK Friendly Everyday Carry Knives – EDC Knife UK
    • Multi-tools & Pocket Tools
    • Folding Pocket Knife UK Supplier
    • Swiss Army Knives
    • Carving & Knife Making
    • Bushcraft Axe Range
    • Sheaths & Holsters
    • Knife & Tool Accessories
    • Survival Machetes
    • Bushcraft Knives
    • Knife Care
    • Shovels
    • Bushcraft Folding Saws
  • Backpacks & Bags
    • Utility Pouches
    • Military Rucksacks
    • Tactical Backpacks
    • Wallets and Card Holders
    • EDC & Waist Bags
    • Carabiners & Lanyards
    • Backpack Accessories
    • Waterproof Backpacks
    • Hard Cases
    • Phone Pouches & Tablet Cases
    • Day Packs
  • Shelter
    • Tents & Shelters
    • Sleeping Bags & Liners
    • Hammocks, Cots & Seating
  • Survival
    • Cookware
    • Paracord
    • Flasks
    • Fire Starter Kit
    • Rescue Aids
    • Survival Kits
    • Navigation
    • Lighters
    • Food
    • Signalling Devices
    • Emergency Repairs
    • First Aid
  • Urban Essentials
    • Pens
    • Batteries and Chargers
    • Books & Media
    • Grooming
    • Travel Safety
    • Emergency Power
    • Hygiene
  • Lighting
    • Flashlights
    • Pocket Lights
    • Headlamps
    • Lighting Accessories
    • Safety Markers
    • Lanterns
  • Watches
    • Watches
    • Accessories
  • Featured Products
Urban Essentials / Batteries and Chargers
Sale!
Nitecore NL2140

Nitecore NL2140

$19.95 Original price was: $19.95.$13.97Current price is: $13.97.

SKU: AGVPB 3447943266830698645 Categories: Batteries and Chargers, Urban Essentials Tag: Nitecore
  • Multiple payment methods, safe and reliable
  • Buy quality, buy with us.
  • High quality products, hassle-free returns.
  • 7 days return and exchange
Browse
  • Backpacks & Bags
    • Backpack Accessories
    • Carabiners & Lanyards
    • Day Packs
    • EDC & Waist Bags
    • Hard Cases
    • Military Rucksacks
    • Phone Pouches & Tablet Cases
    • Tactical Backpacks
    • Utility Pouches
    • Wallets and Card Holders
    • Waterproof Backpacks
  • Knives and Tools
    • Bushcraft Axe Range
    • Bushcraft Folding Saws
    • Bushcraft Knives
    • Carving & Knife Making
    • Custom Knives
    • Fixed Blade Knives
    • Folding Pocket Knife UK Supplier
    • Kitchen Knives
    • Knife & Tool Accessories
    • Knife Care
    • Knife Sharpeners
    • Miniatures & Letter Knife Range
    • Multi-tools & Pocket Tools
    • Sheaths & Holsters
    • Shovels
    • Survival Machetes
    • Swiss Army Knives
    • UK Friendly Everyday Carry Knives - EDC Knife UK
  • Lighting
    • Flashlights
    • Headlamps
    • Lanterns
    • Lighting Accessories
    • Pocket Lights
    • Safety Markers
  • Shelter
    • Hammocks, Cots & Seating
    • Sleeping Bags & Liners
    • Tents & Shelters
  • Survival
    • Cookware
    • Emergency Repairs
    • Fire Starter Kit
    • First Aid
    • Flasks
    • Food
    • Lighters
    • Navigation
    • Paracord
    • Rescue Aids
    • Signalling Devices
    • Survival Kits
  • Uncategorized
  • Urban Essentials
    • Batteries and Chargers
    • Books & Media
    • Emergency Power
    • Grooming
    • Hygiene
    • Pens
    • Travel Safety
  • Watches
    • Accessories
    • Watches
  • Description
  • Reviews (0)

The Nitecore NL2140 is a 21700-size Li-ion battery features a long lifespan, high energy density and powerful performance. The cell has a 4,000mAh capacity, 3.6V and 14.4Wh.

As with all Nitecore batteries safety is paramount and the NL2140 cell has a range of internal features to keep you, your devices and chargers as safe as possible. The 21700 battery has an innovative anode design with high temperature resistance, built-in PTC to inhibit high current surges, pressure relief valve which activates in the event of a rapid temperature increase and a microporous barries that protects the delicate internal components. Externally, the cell is equipped with nickel-plated stainless steel protectors at both ends and is coated with a durable metallic film to guard against abrasion.

The 21700 is recommended to use with the following Nitecore chargers: UI1, UI2, UM2, UM4, UMS2 and UMS4.

SKU
NITECORE-NL2140

Brand:
Nitecore


Age Restriction:
18+


Output:
5A


Battery Capacity:
4000mAh


Dimensions:
7.5 x 2.1


Product Weight (g)
72


Newest:
2020-02-05 00:00:00


Shipping Group:
LITHIUM


Parent Base Price:
17.95


Lead Time Dropdown:
4 – 6 Weeks


Voltage:
3.6V

Reviews

There are no reviews yet.

Be the first to review “Nitecore NL2140” Cancel reply

Related products

Sale!
Nitecore BP18
Quick View

Backpacks & Bags

Nitecore BP18

$109.95 Original price was: $109.95.$76.97Current price is: $76.97.
Sale!
Nitecore NC10000 Highland Power Bank
Quick View

Emergency Power

Nitecore NC10000 Highland Power Bank

$55.95 Original price was: $55.95.$39.17Current price is: $39.17.
Sale!
Nitecore Single Chamber Whistle
Quick View

Signalling Devices

Nitecore Single Chamber Whistle

$25.95 Original price was: $25.95.$18.17Current price is: $18.17.
Sale!
Nitecore Drybag WDB20
Quick View

Backpacks & Bags

Nitecore Drybag WDB20

$54.95 Original price was: $54.95.$38.47Current price is: $38.47.
Sale!
Nitecore NDP20
Quick View

Backpacks & Bags

Nitecore NDP20

$36.95 Original price was: $36.95.$25.87Current price is: $25.87.
Sale!
Nitecore BP20
Quick View

Backpacks & Bags

Nitecore BP20

$69.95 Original price was: $69.95.$48.97Current price is: $48.97.
Sale!
Nitecore BP16 Backpack
Quick View

Backpacks & Bags

Nitecore BP16 Backpack

$61.95 Original price was: $61.95.$43.37Current price is: $43.37.
Sale!
Nitecore LC10 Charger Power Bank
Quick View

Batteries and Chargers

Nitecore LC10 Charger Power Bank

$23.95 Original price was: $23.95.$16.77Current price is: $16.77.
LEGAL
  • Privacy Policy
  • Shipping Policy
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Top rated products
    • Lion Steel Thrill Damascus Lion Steel Thrill Damascus $317.95 Original price was: $317.95.$95.99Current price is: $95.99.
    • Leatherman FREE K2 Leatherman FREE K2 $80.95 Original price was: $80.95.$56.67Current price is: $56.67.
    Copyright 2026 © www.gearnesttools.com
    • Knives and Tools
      • Kitchen Knives
      • Knife Sharpeners
      • UK Friendly Everyday Carry Knives – EDC Knife UK
      • Multi-tools & Pocket Tools
      • Folding Pocket Knife UK Supplier
      • Swiss Army Knives
      • Carving & Knife Making
      • Bushcraft Axe Range
      • Sheaths & Holsters
      • Knife & Tool Accessories
      • Survival Machetes
      • Bushcraft Knives
      • Knife Care
      • Shovels
      • Bushcraft Folding Saws
    • Backpacks & Bags
      • Utility Pouches
      • Military Rucksacks
      • Tactical Backpacks
      • Wallets and Card Holders
      • EDC & Waist Bags
      • Carabiners & Lanyards
      • Backpack Accessories
      • Waterproof Backpacks
      • Hard Cases
      • Phone Pouches & Tablet Cases
      • Day Packs
    • Shelter
      • Tents & Shelters
      • Sleeping Bags & Liners
      • Hammocks, Cots & Seating
    • Survival
      • Cookware
      • Paracord
      • Flasks
      • Fire Starter Kit
      • Rescue Aids
      • Survival Kits
      • Navigation
      • Lighters
      • Food
      • Signalling Devices
      • Emergency Repairs
      • First Aid
    • Urban Essentials
      • Pens
      • Batteries and Chargers
      • Books & Media
      • Grooming
      • Travel Safety
      • Emergency Power
      • Hygiene
    • Lighting
      • Flashlights
      • Pocket Lights
      • Headlamps
      • Lighting Accessories
      • Safety Markers
      • Lanterns
    • Watches
      • Watches
      • Accessories
    • Featured Products
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.