Nitecore 21700 3.6 V, 4000 mAh Li-ion Protected Battery
Nitecore 21700 3.6 V, 4000 mAh Li-ion Protected BatteryNitecore 21700 3.6 V, 4000 mAh Li-ion Protected BatteryNitecore 21700 3.6 V, 4000 mAh Li-ion Protected Battery
Nitecore 21700 3.6 V, 4000 mAh Li-ion Protected BatteryNitecore 21700 3.6 V, 4000 mAh Li-ion Protected BatteryNitecore 21700 3.6 V, 4000 mAh Li-ion Protected Battery

Nitecore 21700 3.6 V, 4000 mAh Li-ion Protected Battery

High capcity 21700 battery for devices such as the Nitecore New P12
Availability:  2 in stock
Brand:  Nitecore
Product Code:  NL2140
We DO NOT ship this battery by itself to Northern Ireland, Scottish Highlands, Scottish Islands and other Islands due to high courier charges for certain locations, we will only send it to mainland UK. Please contact us before ordering if you are unsure whether we can ship to your location.

The Nitecore NL2140 is a premium quality high capacity 21700, 4000 mAh lithium-ion battery specifically designed for high intensity torch use and is the perfect companion for the Nitecore New P12.


£17.95

The Nitecore NL2140 is a premium quality high capacity 21700, 4000 mAh lithium-ion battery specifically designed for high intensity torch use and is the perfect companion for the Nitecore New P12.

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 barrier 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.

Please note: This battery is larger than an 18650 battery and cannot be used in standard 18650 sized torches. To extend battery life it is recommended that it is charged every three months when unused for long periods.

Product Features

5 A maximum discharge current
High capacity 4000 mAh, 3.6 V and 14.4 Wh
Protection circuit built into positive terminal for outstanding damage resistance
Innovative anode design with high temperature resistance
Built-in overcharge, over discharge and short-circuit protection
Unique structural design for better impact resistance
Button top positive contact for greater versatility

Battery Charger Information:
You will need to purchase a suitable battery charger if you do not have one, please see the related products.


Pack Information
Batteries per Pack: 1
Weight: 73 grams per battery
Details for Nitecore NL2140 21700 Protected Li-ion Battery
Battery Technology: Lithium-ion (Rechargeable)
Diameter: 21.8 mm
Height: 75.8 mm
Voltage: 3.6 V
Capacity: 4000 mAh
Watt-hour: 14.4 Wh
Maximum Discharge Current: 5 A

Important Safety Information

Lithium-ion batteries should never be left charging unattended under any circumstances. The user must have knowledge of how to charge and discharge Li-ion batteries before using them - for more information please click here. Always use a charger that is designed to recharge the particular lithium-ion cell that you wish to recharge. Never use a DC adaptor to charge Li-ion batteries. We are NOT responsible for any damage that is caused by the misuse of lithium-ion batteries. We recommend charging any lithium-ion cell on a metal surface or other non-flammable surface.


Packaging and Contents

Supplied in a poly bag and contains:
Nitecore 21700 3.6 V, 4000 mAh rechargeable lithium-ion protected battery x 1

Nitecore New P12 LED Torch

Nitecore New P12 LED Torch

1200 Lumens Output

Availability:  2 in stock

The Nitecore New P12 is the next generation 21700 tactical torch, now powered by a 21700 lithium-ion battery yet still retaining the compact size with the 25.4 mm barrel diameter. It utilises a Cree XP-L HD V6 LED for a maximum output of 1200 lumens and a beam range of 238 metres on the high setting.

[More details]
£75.95Add to Basket

Nitecore New P30 LED Torch

Nitecore New P30 LED Torch

1000 Lumens Output
USB rechargeable 21700 5000 mAh lithium-ion battery included.

Availability:  3 in stock

The Nitecore New P30 is the next generation 21700 searching and hunting torch, now powered by a 21700 lithium-ion battery yet still retaining the compact size with the 25.4 mm barrel diameter. It utilises a Cree XP-L HI V3 LED for a maximum output of 1000 lumens and a beam range of 618 metres on the high setting.

[More details]
£79.95Add to Basket

Nitecore UMS2 Dual Bay USB Li-ion/NiMH Battery Charger

Nitecore UMS2 Dual Bay USB Li-ion/NiMH Battery Charger

Capable of independently charging two Li-ion/IMR/LiFePO4 batteries or two NiMH/Ni-Cd battries.

Availability:  3 in stock

This Nitecore UMS2 is a speedy charger that is cable of 3 A maximum output in a single slot with one battery charging or 2 A maximum output per slot with two batteries charging when using a QC 2.0 input (Quick Charge).

[More details]
£29.95Add to Basket

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