Key Features

• 2500mAh lithium-ion capacity for reliable runtime
• High 20A maximum continuous discharge capability
• Flat top 18650 format for pack and device integration
• Stable IMR chemistry for high-current performance
• Unprotected design for use in properly managed systems

Overview

The Efest IMR18650V1 is a high-output lithium-ion battery engineered for applications that require strong, consistent current delivery. With a nominal capacity of 2500mAh and a 20A continuous discharge rating, this flat top 18650 cell provides dependable power in compact energy systems. Its IMR chemistry supports stable operation under demanding loads, making it well-suited for regulated battery packs and power-managed electronics.

Applications / Uses

• High-output flashlights and lighting systems
• Portable power banks and battery packs
• Power tools and regulated electronic equipment
• DIY and custom battery pack builds
• High-current electronic applications

SPECIFICATIONS

Manufacturer:	Efest
Model:	IMR18650V1
Battery Size:	18650
Positive Terminal:	Flat Top
Nominal Capacity:	2500mAh
Continuous Discharge Rating:	20A
Nominal Voltage:	3.7V
Maximum Voltage:	4.2V
Cut-off Voltage:	2.5V
Protected:	No, unprotected
Rechargeable:	Yes
Approx. Dimensions:	18.42mm x 65.1mm
Approx. Weight:	44.4g