Key Features

USB-C Rechargeable 21700 Battery: Integrated charging port simplifies power management.
High-Capacity Output: 4000mAh lithium-ion cell for extended device operation.
Protected Button Top Configuration: Designed for systems requiring enhanced safety controls.
Consistent Performance: Rated for 5A continuous discharge.
Durable Construction: Built for long-term reliability and repeated use.

Overview

The Nitecore NL2140R is a protected 21700 lithium-ion battery built for professional and consumer applications where convenience, safety, and runtime are critical. Its integrated USB-C charging capability and robust protection circuitry deliver dependable power in a user-friendly format, making it ideal for modern rechargeable power systems.

Applications / Uses

Commercial and consumer lighting equipment
Portable electronic devices
Emergency preparedness systems
OEM and R&D applications
USB-C rechargeable battery solutions

SPECIFICATIONS

Manufacturer:	Nitecore
Model:	NL2140R
Size:	21700
Positive Terminal:	Button Top
Nominal Capacity:	4000mAh
Continuous Discharge Rating (max):	5A
Nominal Voltage:	3.6V
Maximum Voltage:	4.2V
Protected:	Yes (PCB)
Rechargeable:	Yes
Approx. Dimensions:	22.3mm x 77.3mm
Approx. Weight:	73.3g

Nitecore NL2140R 21700 4000mAh Data Specification Sheet

Nitecore NL2140R 21700 4000mAh USB-C Battery

21700 Flashlight Batteries

Nitecore NL2140R 21700 4000mAh USB-C Battery - Protected Button Top