Key Features
- 3400mAh protected 18650 lithium-ion cell
- Button top terminal for compatible devices
- 6A max continuous output (PCB-limited)
- Integrated PCB protection for safer operation
- Rechargeable design rated up to 500 cycles
Note: This is a button top protected 18650 battery which is longer than a standard flat top unprotected 18650 battery.
Overview
The Nitecore NL1834 is a protected button top 18650 battery built for reliable runtime and added safety. Its PCB protection helps reduce risk from overcharge and over-discharge in supported devices, while the 3400mAh capacity makes it a solid choice when longer runtime matters.
Applications / Uses
- Button top 18650-compatible flashlights
- Portable lighting equipment
- Emergency power kits
- Field gear and outdoor electronics
- General rechargeable power applications
SPECIFICATIONS
| Manufacturer | Nitecore |
| Model | NL1834 |
| Size | 18650 |
| Positive Terminal | Button Top |
| Nominal Capacity | 3400mAh |
| Continuous Discharge Rating | 6A Max Continuous (PCB limitation) |
| Nominal Voltage | 3.7V |
| Maximum Voltage | 4.2V |
| Protected | Yes (PCB) |
| Rechargeable | Yes |
| Approx. Dimensions | 18.4mm × 69.1mm |
| Approx. Weight | 47.4g |
| Data Specification Sheet | Nitecore NL1834 18650 3400mAh Battery Datasheet |
⚠ 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 the battery overheats, emits smoke, or shows other signs of failure, stop using it immediately. Move the battery to a safe, non-flammable surface (e.g., sand or concrete) and follow emergency protocols.
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.