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- Max continuous discharge current of 10A to easily power your high-drain devices
- 4000mAh and 3.6V 18650 battery provides reliable power for flashlights and more
- Cadmium, mercury, and lead free for an environmentally safe design
- Rechargeable with super long lifespan of 500 charge cycles - years of use for your gear!
- Size: 18650
- Voltage: 3.6
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 4000
- Terminal Type: Button Top
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Description
Nitecore NL1840HP Li-Ion Battery
Power for High Drain Devices
If your favorite flashlight has high power drain demands, use the Nitecore NL1840HP! With a maximum capacity of 4000mAh, voltage of 3.6V, and discharge current of 10A, this 18650 battery is the ideal power source for high drain flashlights or other heavy duty devices. Its lifespan of 500 charge cycles makes it a reliable, reusable 18650 for years of use, and so your flashlight never stays dead for long!
Safe Power
With its abrasion resistant metallic film and nickel-plated stainless steel protectors, this battery resists scratches, oxidation, or falls with ease, keeping your gear going in tough conditions. Its internal protections prevent over discharge, overcharge, and short-circuiting, letting your flashlight perform at peak condition for hours on end. This 18650 is also constructed without cadmium, lead, or mercury, making it environmentally friendly and safe for use in your most demanding devices.
Item Details
| Brand | Nitecore |
| SKU | NITECORE-NL1840HP |
| Series | NL |
| MPN | NL1840HP |
| UPC | 6952506496402 |
| Size | 18650 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 4000 |
| Chemistry | Li-Ion |
| Packaging | Boxed |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 18650 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 4000 |
| Watt Hours (wH) | 14.4 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Max. Discharge Rate | 5 |
| Equivalent Types | 168A, 18650, 19670, Protected 18650, Unprotected 18650 |
Unit Dimensions
| Length | 2.75 in (70 mm) |
| Diameter | 0.73 in (19 mm) |
| Weight | 1.76 oz (50 g) |
Certifications & Transport
| Certifications/Standards | ANSI, CE |
| Country Of Origin | China |
| HTS Code | 85076000 |
Packaging/Shipping Dimensions
| Length | 5.58 in |
| Width | 3.15 in |
| Height | 1.01 in |
| Shipping Weight | 0.15 lb |
Additional Details
| Packaging | Boxed |
| Warranty |
Nitecore 1 Year Warranty Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime
- Upgraded to output up to 3,100 lumens with a 1,000ft throw for optimal spotting!
- Offers fast, direct USB-C recharging from outlets, power banks, and more
- Ultra-slim design provides an easy-to-hold, simple EDC lighting solution
- OLED screen monitors performance, including charge level, brightness & beyond
- Pre-shrink wrapped Panasonic CR123A batteries great for OEM use & more
- 1550mAh high capacity keeps lights, alarms & more running longer
- Lithium cells with stable 3V output and strong discharge performance
- Storage life of up to 10 years ensures backups remain ready for use


















