Key Features

50A High-Output Performance: Built for extreme power delivery in professional systems.
4500mAh Capacity: Optimized balance of energy density and discharge capability.
Flat Top Industrial Cell: Ideal for welded packs and OEM battery assemblies.
Samsung SDI Manufacturing: Trusted quality from a global lithium-ion leader.
Unprotected for System Control: Designed for use with external protection and BMS solutions.

Overview

The Samsung INR21700-45T is a premium high-drain lithium-ion battery engineered for commercial, industrial, and advanced consumer applications. Delivering an exceptional 50A continuous discharge, this cell is purpose-built for systems that demand maximum power, efficiency, and reliability when integrated into properly protected battery packs.

Applications / Uses

Commercial UAV and drone platforms
Electric vehicle battery modules
Industrial power tools
Energy storage and backup systems
OEM and R&D battery development

SPECIFICATIONS

Manufacturer:	Samsung SDI
Model:	INR21700-45T (45T)
Size:	21700
Positive Terminal:	Flat Top
Nominal Capacity:	4500mAh
Continuous Discharge Rating (max):	50A
Nominal Voltage:	3.6V
Maximum Voltage:	4.2V
Discharge Cut-off Voltage:	2.5V
Protected:	No, unprotected
Rechargeable:	Yes
Approx. Dimensions:	70.5mm x 21.35mm
Approx. Weight:	72.0g

Samsung INR21700-45T Data Specification Sheet

South Korea Lithium-Ion Batteries