Key Features

• High-Capacity Energy Storage: 5000mAh nominal capacity delivers extended runtime for energy-demanding applications.
• Stable Continuous Output: Supports up to 9.8A maximum continuous discharge for consistent power delivery.
• Integrated Protection Circuit: Built-in PCB safeguards against overcharge, over-discharge, over-current, and short circuits.
• Button Top Protected Design: Button top configuration with added PCB results in increased overall cell length.
• Proven Cycle Life: Designed for up to 500 charge cycles while retaining approximately 80% capacity.

Overview

The Samsung INR21700-50E is a high-capacity lithium-ion battery engineered for applications that demand long runtime and dependable output. With a nominal capacity of 5000mAh and a continuous discharge rating of 9.8A, this protected button top cell is well-suited for systems requiring stable energy delivery. The integrated protection PCB enhances operational safety, while the additional outer wrapper and insulator must remain intact to ensure proper performance and protection.

Applications / Uses

• Electric mobility and light electric vehicle battery packs
• Large-scale energy storage systems
• Industrial electronics and equipment
• Battery packs for commercial devices
• Custom lithium-ion battery assemblies

Specifications

Manufacturer	Samsung SDI
Model	INR21700-50E (50E)
Size	21700
Positive Terminal	Button Top
Nominal Capacity	5000mAh
Continuous Discharge Rating (Max)	9.8A
Nominal Voltage	3.6V
Maximum Voltage	4.2V
Discharge Cut-off Voltage	2.65V
Protected	Yes (PCB)
Rechargeable	Yes
Approx. Dimensions	21.1mm x 74.5mm
Approx. Weight	68.7g

Samsung 50E Datasheet