Key Features
- Protected High-Drain Cell: Integrated PCB enhances operational safety.
- Compact 16340 Format: Optimized for professional-grade portable equipment.
- Consistent Output: Rated for controlled high-current discharge.
- Button Top Configuration: Designed for compatibility with protected battery systems.
- Durable Construction: Built for repeatable performance and longevity.
Overview
The Nitecore NL166 is a protected lithium-ion RCR123A / 16340 battery designed for commercial and professional applications where dependable high-drain performance is essential. With integrated protection circuitry and a compact footprint, it delivers stable power while supporting safe operation. This battery is ideal for systems engineered around protected lithium-ion cells.
Applications / Uses
- Commercial and professional lighting systems
- Tactical and utility equipment
- Portable electronic devices
- OEM and R&D applications
- Rechargeable 16340 battery systems
SPECIFICATIONS
| Manufacturer: | Nitecore |
| Model: | NL166 |
| Size: | RCR123A / 16340 |
| Positive Terminal: | Button Top |
| Nominal Capacity: | 650mAh |
| Continuous Discharge Rating (max): | 5A Maximum Continuous |
| Nominal Voltage: | 3.7V |
| Maximum Voltage: | 4.2V |
| Discharge Cut-off Voltage: | 2.75V |
| Protected: | Yes (PCB) |
| Rechargeable: | Yes |
| Approx. Dimensions: | 16.6mm x 35mm |
| Approx. Weight: | 17.85g |
Nitecore NL166 RCR123A / 16340 650mAh Data Specification Sheet
⚠ 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 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.
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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
18650Battery.com 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 safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.