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Nitecore NL1840R 18650 4000mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Built In USB-C Charging Port

$22.95
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Nitecore battery with 4000mAh capacity on a white background
Nitecore battery with 4000mAh capacity on a white background
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Nitecore battery with 4000mAh capacity on a white background
Nitecore battery with 4000mAh capacity on a white background
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NITECORE battery chargers with compatible battery slots on a black background
Two yellow batteries with specifications on a dark background
Yellow battery with Nitecore branding on a black background, featuring safety and reliability certification logos.
Nimh battery with recycling symbol and '500' text on a dark background
Yellow battery on a black background with a green recycling logo and text about battery safety.
Yellow battery with 'Nitecore' branding on a black background, featuring water resistance text.
Technical diagram of a high-performance protected circuit with text and icons on a dark background.

Nitecore NL1840R 18650 4000mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Built In USB-C Charging Port

Brand:Nitecore
MPN:NL1840R
  • 4,000mAh capacity provides extended runtimes between charges
  • Protected battery design helps prevent overcharging and short circuits
  • Up to 500 charge cycles allows for less waste and longer use
  • 5A continuous discharge supports a wide range of flashlights
  • Size: 18650
  • Voltage: 3.6
  • Rechargeable: Yes
  • Chemistry: Li-Ion
  • Capacity (mAh): 4000
  • Terminal Type: Button Top
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Expected To Ship 07/02
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$22.95
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Description

Nitecore NL1840 Li-ion Battery

4,000mAh High-Capacity Rechargeable Power

Keep your favorite flashlights running longer with the Nitecore NL1840. This protected 18650 rechargeable li-ion battery features a high-capacity 4,000mAh design that delivers extended runtimes and dependable performance for compatible devices. With a continuous discharge current of 5A, the NL1840 provides stable power for everyday and professional lighting applications alike. Multiple built-in safety protections help guard against overcharging, over-discharging, and short circuits, while its durable construction is designed for long-term reliability. Rated for more than 500 charge cycles, this rechargeable battery offers a cost-effective and environmentally friendly alternative to disposable batteries.

  • Notable Features
  • » Integrated protection circuit guards against overcharging, over-discharging, and short circuits
  • » Pressure relief valve enhances safety during rapid temperature changes
  • » Durable metallic protection on both ends improves impact and oxidation resistance
  • » Rated for 500+ charge cycles for years of dependable rechargeable power
collection: 10% Applicable; product type: Batteries - Li-Ion Rechargeable
Item Details
Brand Nitecore
SKU NITECORE-NL1840R
Series NL
MPN NL1840R
UPC 6952506497515
Size 18650
Voltage 3.6
Battery Rechargeable Yes
Capacity (mAh) 4000
Chemistry Li-Ion
Packaging Boxed
California Residentssee Prop 65 WARNINGS
Specifications
Size 18650
Voltage 3.6
Battery Rechargeable Yes
Capacity (mAh) 4000
Terminal Type Button Top
Protected true
Unit Dimensions
Length 2.75 in (70 mm)
Diameter 0.73 in (19 mm)
Weight 1.96 oz (56 g)
Certifications & Transport
Certifications/Standards ANSI, CE
HTS Code 850650
Packaging/Shipping Dimensions
Length 4 in
Width 3 in
Height 3 in
Shipping Weight 0.0 lb
Additional Details
Packaging Boxed
Warranty Nitecore 1 Year Warranty
Battery Junction Warranty
Return Policy Return Policy

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