Built-in protection circuit for safer charging and discharging
6A regulated output for stable performance
Button top design for wide device compatibility
Long service life with 500+ recharge cycles
Note: This is a button top protected 18650 battery which is longer than a standard flat top unprotected 18650 battery.
Overview
The Nitecore NL1823 protected 18650 battery is designed for users who want reliability, safety, and long-term performance. Its integrated protection circuit helps prevent overcharging and deep discharge, while the 2300mAh capacity delivers consistent power for everyday and professional applications.
Applications / Uses
Rechargeable flashlights
Portable lighting solutions
Emergency preparedness equipment
Electronics requiring protected 18650 batteries
Backup power systems
SPECIFICATIONS
Manufacturer
Nitecore
Model
NL1823 (NL183)
Size
18650
Positive Terminal
Button Top
Nominal Capacity
2300mAh
Continuous Discharge Rating
6A Max Continuous (PCB Limited)
Nominal Voltage
3.7V
Maximum Voltage
4.2V
Protected
Yes, PCB
Rechargeable
Yes
Approx. Dimensions
18.4mm × 69.6mm
Approx. Weight
47.56g
Roll over image to zoom inClick on image to zoom
/
⚠ Important Safety Warnings
While this battery is equipped with built-in protection circuitry to help prevent
overcharging, over-discharging, and short circuits, improper handling or misuse
can still result in FIRE, EXPLOSION, or THERMAL RUNAWAY,
causing personal injury or property damage. Users must read and follow all safety
guidelines before purchase and use.
Click here to review the
full safety guidelines.
Intended Use: This battery is designed for use in flashlights,
headlamps, and similar devices that require a button top configuration. Ensure
compatibility with your device before purchase or use.
Protection Circuit Limitations: While the protection circuit provides
additional safety, it cannot prevent damage caused by misuse, including exposure to
liquids, extreme heat, or physical damage.
Storage & Transport: Always store batteries in protective cases to
prevent accidental contact with metal objects (e.g., keys, coins, tools) that can
cause a short circuit. Do not store loose batteries in pockets, bags, or other
uncontrolled environments.
Inspection: Do not use if the battery is dented, leaking, bulging,
or if the outer wrapper or button top is damaged.
Charging: Use a smart charger specifically designed for button top
protected batteries. Do not exceed the battery's voltage and current specifications.
Never leave the battery unattended while charging.
Prohibited Activities:
Do not expose the battery to water, fire, or high heat.
Do not modify, puncture, crush, or attempt to disassemble the battery.
Do not use the battery if it becomes unusually hot during use or charging.
Emergency Response: If a cell shows signs of thermal runaway (e.g., smoke, swelling, hissing, or heat), stop use immediately and, if it can be done safely, move it to a non-flammable surface (e.g., concrete or sand) away from combustible materials. Lithium-ion cells burn as Class B fires — use an ABC / dry-chemical fire extinguisher, or douse with large amounts of water to cool the cell and prevent the fire from spreading. Do not rely on a small spray; thorough cooling is required, and cells can reignite from residual heat, so monitor the area afterward. (Class D extinguishers are intended for lithium-metal batteries, not lithium-ion.) For any fire beyond a single small cell, evacuate and call emergency services.
Disclaimer
IMR Batteries is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols.
It is the reseller's responsibility to ensure all product warnings and safety guidelines are effectively communicated to their customers. Some cells are sold in bulk packaging and are not individually packaged. Resellers must provide appropriate packaging for each individual cell sold and must not distribute cells loose, unprotected, or without a proper storage box or case.
Product compatibility is the sole responsibility of the customer. IMR Batteries does not guarantee compatibility with any specific device or application. We are not responsible for the design, assembly, performance, or safety of any battery pack constructed using our cells. It is the customer’s responsibility to ensure proper cell matching, protection circuitry, configuration, and safe construction practices.
Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.
Customer Reviews
Overall rating: 4.7 / 5 from 15 reviews.
Ordered 2 batteries for my Nikecore flashlight. They work perfectly. The shipping was fast and the batteries are the exact batteries that came with the light originally. Definitely would do business with y'all again.
The Nitecore is bit larger than other 18650's (read dimensions). A perfect fit in my old I-Taste 134. Now brought back to new life. So that's good. But to large for other older tube mods. Coil resistance should not be less than 1.3 ohms for this battery.
so far so good. was not sure if they would just sell me dead batteries
but so far so good. have not used them all but the ones ive used were just fine.
I placed my order with ease and receive it in a timely manner. IMR is the only place that had my paticular battery in stock and had it at a good price as well. IMR will be my go to place for rechargeable batteries.
The right battery for what I needed . Price was competitive and shipping time was good. Arrived as planned. I would recommend this store for you speciality batteries
so far so good. was not sure if they would just sell me dead batteries
but so far so good. have not used them all but the ones ive used were just fine.