Key Features

• High-energy 3350mAh nominal capacity for extended runtime
• Optimized for low-to-moderate current applications
• Nickel-based positive electrode for improved cycle life
• Panasonic Heat Resistance Layer (HRL) for enhanced safety
• Flat top, unprotected design for battery pack integration

Overview

The Panasonic NCR18650B is a high-capacity lithium-ion battery engineered for applications that prioritize long runtime and energy density. Featuring a nominal capacity of 3350mAh and Panasonic’s advanced internal safety technologies, this cell delivers stable, efficient power with excellent cycle life and reliability.

Applications / Uses

• Battery pack assemblies
• Portable power banks
• Energy storage modules
• High-efficiency electronic devices
• Backup and standby power systems

SPECIFICATIONS

Manufacturer	Panasonic
Model	NCR18650B
Size	18650
Positive Terminal	Flat Top
Nominal Capacity	3350mAh (Typical)
Continuous Discharge Rating	4.87A
Nominal Voltage	3.6V
Maximum Voltage	4.2V
Discharge Cut-Off Voltage	2.5V
Protected	No (Unprotected)
Rechargeable	Yes
Approx. Dimensions	18.63mm × 65.08mm
Approx. Weight	47.5g
Data Specification Sheet	Panasonic NCR18650B Datasheet