
Nitecore NL166 RCR123A 16340 650mAh Battery - Protected Button Top
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

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

Original: $5.95
-70%$5.95
$1.78Description
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












