Nitecore 18650 USB Rechargeable 3400 mAh Li-ion Protected Battery

Nitecore 18650 USB Rechargeable 3400 mAh Li-ion Protected Battery

Availability:  7 in stock
Brand:  Nitecore
Product Code:  NL1834R

The Nitecore NL1834R is a high capacity 18650 lithium-ion 3400 mAh battery specifically designed for high intensity torch use and is the perfect companion for all Nitecore 18650 powered lights. As well as being able to charge in a battery charger (Nitecore charger recommended) the NL1834R has an additional feature that sets it apart from standard 18650 batteries as it has a built-in micro USB charging port in the top of the battery.


£18.95

The Nitecore NL1834R is a high capacity 18650 lithium-ion 3400 mAh battery specifically designed for high intensity torch use and is the perfect companion for all Nitecore 18650 powered lights.

As well as being able to charge in a battery charger (Nitecore charger recommended) the NL1834R has an additional feature that sets it apart from standard 18650 batteries as it has a built-in micro USB charging port in the top of the battery.

Using a standard Micro USB charging cable this battery can be easily charged up which is not only convenient but can also save money on buying a separate charger. A charging indicator will glow red once the charging cable is plugged in and connected to power to show charging is in progress and it will turn green once charging is complete.

The NL1834R has a range of safety features. Internally the battery features pressure relief protection which activates if the temperature rapidly increases, a microporous barrier which protects the internal components, an integrated smart charging circuitry in the anode to protect against over-charging, over-discharging and short circuiting, plus a built-in PTC inhibiting high current surges. Externally, the battery is equipped with a gold plated, stainless steel protector which ensures high impact resistance, good electrical conductivity and oxidation resistance.

NOTE: Please check the dimensions of your intended application before purchasing, as the slightly increased length and diameter of these batteries means that they may not fit some products.

Product Features
High capacity (3400 mAh)
Multiple protection circuit in the anode
500 charge cycles
Micro USB charging port
Short circuit, overheat, over-discharge and overcharge protection

Battery Charger Information:
You will need to purchase a micro USB cable or a suitable battery charger if you do not have one, Please click on the Product Accessories tab above to view compatible cables and battery chargers.


Pack Information
Batteries per Pack:1
Weight:47.5 grams per battery
Details for Nitecore NL1834R 18650 Protected Li-ion Battery
Battery Technology:Lithium-ion (Rechargeable)
Diameter:18.3 mm
Height:68 mm
Voltage:3.6 V
Capacity:3400 mAh
Charging Current:0.8 A (Via USB port)

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. 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 retail pack and contains:
Nitecore NL1834R 3.6 V, 3400 mAh USB rechargeable lithium-ion battery x 1

USB Type A Plug to Micro USB 5 Pin Cable

USB Type A Plug to Micro USB 5 Pin Cable

Availability:  10+ in stock

This is a cable which has a USB cable with type A plug at one end and a micro type B five pin plug at the other end, the cable is 1.5 metres in length. Ideal for charging any devices that have a Micro USB port, such as a smart phone, tablet or many of our LED torches.

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Nitecore F1 Flexbank Single Bay Li-ion Battery Charger

Nitecore F1 Flexbank Single Bay Li-ion Battery Charger

Features Power Bank Function - Charges Li-ion/IMR batteries

Availability:  9 in stock

FREE Micro USB charging cable supplied

The Nitecore F1 Flexbank is a lithium-ion battery charger with a single charging bay. It is suitable for charging 18650, 26650, 18490, 17500, 17335, 16430 (RCR123A), 14500 and 10440 lithium-ion/IMR type batteries by plugging one end of a USB charging cable into the micro USB port and the other end into a computer or wall adaptor.

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£11.95Add to Basket

Nitecore F2 Flexbank Dual Bay Li-ion Battery Charger

Nitecore F2 Flexbank Dual Bay Li-ion Battery Charger

Features Power Bank Function - Charges Li-ion/IMR batteries

Availability:  10+ in stock

The Nitecore F2 flexible power bank is a lithium-ion battery charger with a two independent charging bays that can charger two batteries simultaneously. This model has the advantage of two USB port power outputs, so you can use the F2 as a power bank, enabling you to charge phones, MP3 players, etc. The output provided is up to 2000 mA when two batteries are inserted in the charging bays, and up to 1000 mA when one battery is inserted.

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£22.95Add to Basket

Nitecore Intellicharger i1 Single Bay  / Vapor Charger

Nitecore Intellicharger i1 Single Bay / Vapor Charger

Capable of charging Li-ion/IMR batteries and E-cigerettes

Availability:  6 in stock

The Nitecore i1 battery charger is new for 2015 and has a single charging bay suitable for charging Lithium-ion and IMR batteries. It also features a EGO port designed for charging E-cigarettes / vaporizers. Compatible with and identifies the following rechargeable batteries: Li-ion/IMR 26650, 18650, 18490, 17670, 17500, 17335, 16340 (RCR123), 14500 and 10440

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£19.95Add to Basket

Nitecore New i2 Intellicharger Dual Bay Li-ion/NiMH Charger

Nitecore New i2 Intellicharger Dual Bay Li-ion/NiMH Charger

Capable of independently charging two Li-ion/IMR/LiFePO4 or two NiMH batteries

Availability:  6 in stock

This new Nitecore i2 itellicharger is an update of the older i2 and now offers twice the charging speed with a maximum output of 1000 mA while one battery is charging or a maximum output of 500 mA per bay when two batteries are charging.

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£17.95Add to Basket

Nitecore New i4 Intellicharger Four Bay Li-ion/NiMH Charger

Nitecore New i4 Intellicharger Four Bay Li-ion/NiMH Charger

Capable of independently charging four Li-ion/IMR/LiFePO4 or four NiMH/Ni-Cd batteries

Availability:  4 in stock

This new Nitecore i4 itellicharger is an update of the older i4 and now offers twice the charging speed with a maximum output of 1500 mA while one battery is charging or a maximum output of 750 mA per bay when two batteries are charging.

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£26.95Add to Basket

Nitecore Digicharger D2EU Two Bay Battery Charger

Nitecore Digicharger D2EU Two Bay Battery Charger

Charges Li-ion/IMR/LiFePO4 and NiMH/NiCD batteries

Availability:  4 in stock

The Nitecore Digicharger D2EU, is a universal smart charger compatible with a wide range of rechargeable batteries. Four independent charging bays automatically detect Li-ion, IMR, NiMH and NiCd batteries, and through manual selection it is also capable of charging LiFePO4 batteries.

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£24.95Add to Basket

Nitecore Digicharger D4EU Four Bay Battery Charger

Nitecore Digicharger D4EU Four Bay Battery Charger

Charges Li-ion/IMR/LiFePO4 and NiMH/NiCD batteries

Availability:  8 in stock

The Nitecore Digicharger D4EU, is a universal smart charger compatible with a wide range of rechargeable batteries. Four independent charging bays automatically detect Li-ion, IMR, NiMH and NiCd batteries, and through manual selection it is also capable of charging LiFePO4 batteries.

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£36.95RRP: £38.95Add to Basket

Nitecore UM10 - Single Bay Charging System

Nitecore UM10 - Single Bay Charging System

Capable of charging Li-ion and IMR batteries

Availability:  10 in stock

The Nitecore UM10 is an advanced USB management and charging system capable of charging a single lithium-ion battery from a USB power source, while simultaneously charging an external device.

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£13.95Add to Basket

Nitecore UM20 - Two Bay Charging System

Nitecore UM20 - Two Bay Charging System

Capable of charging Li-ion and IMR batteries

Availability:  6 in stock

The Nitecore UM20 is an advanced USB management and charging system capable of charging two lithium-ion batteries from a USB power source, while simultaneously charging an external device. A high definition LCD displays real time charging status, accurate to 1%.

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£20.95Add to Basket

Nitecore i8 Intellicharger Eight Bay Li-ion/NiMH Charger

Nitecore i8 Intellicharger Eight Bay Li-ion/NiMH Charger

Capable of independently charging eight Li-ion/IMR or eight NiMH/Ni-Cd batteries

Availability:  4 in stock

The Nitecore i8 itellicharger is an eight bay charger capable of charging lithium-ion/IMR and NiMH/Ni-Cd simultaneously and independently. Each slot is capable of a maximum output of up to 1500 mA when only two batteries are charging, 1000 mA with four batteries charging and 500 mA with all eight batteries charging.

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£47.95Add to Basket

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