+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Nitecore batteries are accurately power rated !! - Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery

by Jack G., Verified Owner from GA, United States Written on December 2, 2025
Review for Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery
Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery
Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery
$32.81 $23.95 Save 27%
View Product
Write a Review View All Reviews
Compare (0)
1 item has been added
Add at least two items to compare

Jack G.'s Review of Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery

4000 mAh Nitecore runs my 850 mw 940 NM Illuminator for 5 hours at full power, so it is properly rated as to battery capacity, which is more than I can say for many battery manufacturers!
Pros:
  • You get what you pay for
Cons:
  • none can see
  • None can see
Best Used for:
  • Heavy draw devices
Would Recommend: Yes
Was it helpful to you? Yes | No
Share
Last updated 2025-12-03 UTC.