SKU: 28399880719

NITECORE 4000mAh RECHARGABLE LI-ION 3.7V 18650 BATTERY

Sale price$62.96 Regular price$69.95
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Description

NITECORE 4000mAh RECHARGABLE LI-ION 3.7V 18650 BATTERYNITECORE NL1840HP At A Glance Continuous 10A discharge current Can be recharged over 500 times Built in pressure relief valve Nickel plated stainless steel cathode and anode Next Generation 4000mAh Battery From Nitecore's latest battery generation, the NL1840HP stands out with an impressive 4000mAh capacity, making it an excellent choice for high drain devices due to its continuous 10A discharge current. Endowed with Nitecore's hallmark safety

NITECORE NL1840HP At-A-Glance
Continuous 10A discharge current
Can be recharged over 500 times
Built-in pressure relief valve
Nickel-plated stainless steel cathode and anode
Next-Generation 4000mAh Battery
From Nitecore's latest battery generation, the NL1840HP stands out with an impressive 4000mAh capacity, making it an excellent choice for high-drain devices due to its continuous 10A discharge current. Endowed with Nitecore's hallmark safety features and quality engineering, the NL1840HP stands as a testament to the brand's reputation as a reliable source of rechargeable Li-ion batteries.

Premium Build with Safety Features
The NL1840HP incorporates a built-in intelligent protective circuit and a pressure relief valve, safeguarding it against overcharging, over-discharging, and short circuits. Crafted with top-tier materials, such as nickel-plated stainless steel protectors that fortify it against impacts, ensure efficient conductivity, and fend off oxidation, the battery is further coated with a durable metallic film, bolstering its resilience against abrasion. Notably, it can undergo more than 500 complete recharge cycles, making it both cost-effective and environmentally friendly.

TECHNICAL SPECIFICATIONS
IP Rating IPX6
Capacity 4000mAh 3.6V (14.4Wh)
Diameter 0.73"±0.01" (18.6mm±0.3mm)
Length 2.75"±0.01" (69.8mm±0.3mm)
Weight 1.76 oz
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 28399880719

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4.8 ★★★★★
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Michael McCollum
San Leandro, US
★★★★★ 1
Doesn't work
Item Package Quantity: 1
No effect at all on my headlights. Don't waste your money.
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Reviewed in the United States on April 30, 2026
S
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Stephen Woods
Whiting, US
★★★★★ 5
Well worth the money. And easy to use.
Item Package Quantity: 1
For what it cost, it worked way better than I expected. 👍
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Reviewed in the United States on April 16, 2026
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Athena
Charlottesville, US
★★★★★ 5
The best!
Size: Gravity, Color: Black
Probably the best, most functional, most adaptable (to different cars, going on #3), longest lasting car mount I've tried. Getting another one for my 16 year old who is about to start drinking.
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Reviewed in the United States on April 20, 2026
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Average Consumer
Charlottesville, US
★★★★★ 5
Must have!
Size: Gravity, Color: Black
I couldn't be more happy with this thing.It's been with me for a couple years now.And it's so sturdy, it gets tightened when loose, and it's easy to remove for cleaning
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Reviewed in the United States on December 13, 2025
D
Verified Purchase
David M.
Pawtucket, US
★★★★★ 4
Good for what it is
Size: Gravity, Color: Black
Does it's job, keep phone stable as advertised, seems cheap, but so far so good
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Reviewed in the United States on December 18, 2025

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