Description
Nitecore NL166 RCR123 650mAh – Protected Button Top Battery
Overview
The Nitecore NL166 RCR123 is a high-quality rechargeable lithium-ion battery, designed for high-performance flashlights, cameras, and electronic devices. With a 650mAh capacity, this protected button top battery delivers stable and reliable power output, making it an ideal choice for demanding applications.
Equipped with built-in protection circuitry, the NL166 ensures overcharge, over-discharge, short circuit, and thermal protection, extending battery lifespan and ensuring maximum safety.
Key Features
Reliable 650mAh Capacity: Provides long-lasting power for high-drain devices.
Protected Button Top Design: Built-in PCB protection safeguards against overcharge, over-discharge, and short circuits.
Stable Performance: Maintains consistent voltage output, ensuring device reliability.
High-Quality Construction: Uses premium-grade lithium-ion cells for enhanced durability and longevity.
Rechargeable & Eco-Friendly: Supports hundreds of charge cycles, reducing battery waste.
Specifications
| Specification | Details |
|---|---|
| Brand | Nitecore |
| Model | NL166 |
| Battery Type | RCR123 (16340) Lithium-Ion |
| Capacity | 650mAh |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.75V |
| Continuous Discharge Rate | 2A (Max) |
| Protection Circuit | Yes (Overcharge, Over-Discharge, Short Circuit) |
| Rechargeable | Yes |
| Button Top | Yes |
| Diameter | 16.6mm |
| Length | 34mm |
| Weight | ~18g |
Applications
The Nitecore NL166 RCR123 Battery is widely used in:
Flashlights & Tactical Gear – Powers high-performance LED flashlights and optics.
Cameras & Security Systems – Ideal for digital cameras, security devices, and sensors.
Medical Devices – Supports critical medical equipment requiring reliable power.
Portable Electronics – Suitable for wireless accessories and high-drain electronics.
Safety Guidelines & Warnings
IMPORTANT SAFETY NOTICE ️
The Nitecore NL166 RCR123 Battery is designed for use in compatible lithium-ion devices only. Mishandling may result in fire, explosion, or injury.
General Safety Guidelines
Use only with compatible devices and chargers.
Charge with a smart lithium-ion charger designed for RCR123 batteries.
Store in a cool, dry place away from metal objects to prevent short circuits.
Do not mix with primary (non-rechargeable) CR123A batteries.
Inspect battery regularly—replace if damaged or swollen.
Prohibited Uses & Handling
DO NOT expose to fire, water, or extreme temperatures.
DO NOT puncture, crush, or attempt to disassemble.
DO NOT overcharge or over-discharge the battery.
DO NOT carry loose batteries in pockets or bags without a protective case.
User Responsibility & Risk Acknowledgment
- The user assumes full responsibility for proper handling, usage, and storage of lithium-ion batteries.
- Failure to follow safety precautions may result in serious injury or damage.
- Nitecore is not responsible for damages caused by misuse or mishandling of this battery.
By purchasing and using the Nitecore NL166 RCR123 650mAh Battery, you acknowledge and agree to follow all safety guidelines. Failure to comply may result in hazardous consequences.
Power your devices with confidence using the reliable Nitecore NL166 RCR123 Battery! ⚡
WARNING:
The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium ion battery. Do not mix and match old and new, used and unused batteries.
- DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE
- MISUSING OR MISHANDLING LITHIUM ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY DAMAGE, OR DEATH
- BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
- ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK
- ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS
- DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX
- KEEP AWAY from metal objects to prevent short circuiting
- DO NOT short circuit
- DO NOT use if wrapper or insulator is damaged or torn
- DO NOT use if damaged in any way
- DO NOT overcharge or over-discharge
- DO NOT modify, disassemble, puncture, cut, crush, or incinerate
- DO NOT expose to liquids or high temperatures
- DO NOT solder, spot weld only
- User must be familiar with handling lithium ion batteries before purchase
- Usage of batteries is AT YOUR OWN RISK
- ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended
- RESELLERS MUST FORWARD ALL WARNINGS TO ALL CUSTOMERS FOR THEIR REFERENCE AND SAFETY