Samsung 25S 18650 2500mAh 25A Battery

Key Features

• 2500mAh nominal capacity optimized for high-output operation
• 25A continuous discharge capability with thermal headroom
• Stable voltage delivery across demanding load profiles
• Flat top, unprotected design for battery pack integration
• Wide operating temperature range for industrial use

Overview

The Samsung 25S is a high-performance 18650 lithium-ion battery engineered for applications requiring strong continuous output and thermal stability. With a 2500mAh capacity and up to 25A continuous discharge capability, this cell delivers reliable power under sustained load while maintaining efficiency and consistency.

Applications / Uses

• Power tool battery packs
• High-output portable equipment
• Energy storage modules
• Custom battery pack assemblies
• Industrial and professional electronics

SPECIFICATIONS

Manufacturer	Samsung SDI
Model	INR18650-25S (25S)
Size	18650
Positive Terminal	Flat Top
Nominal Capacity	2500mAh
Continuous Discharge Rating	25A (35A with 80°C cutoff)
Nominal Voltage	3.6V
Maximum Voltage	4.2V
Discharge Cut-Off Voltage	2.5V
Protected	No (Unprotected)
Rechargeable	Yes
Approx. Dimensions	18.3mm × 65.0mm
Approx. Weight	45.78g
Data Specification Sheet	Samsung 25S Datasheet