Key Features

• 4200mAh Capacity: Provides long-lasting power for devices that require extended runtime.
• 25A Continuous Discharge: Designed to support high-drain applications with steady output.
• Flat-Top Design: Compatible with devices that require flat-top 26650 lithium-ion batteries.
• IMR Lithium-Ion Chemistry: Built for stable and dependable performance under load.
• Rechargeable Cell: Supports repeated charging for long-term use.

Overview

The Efest IMR 26650 4200mAh rechargeable battery delivers dependable high-capacity power in a rugged 26650 format. Featuring a 25A maximum continuous discharge rating and pulse capability rated up to 50A by Efest, this flat-top, unprotected cell is intended for devices designed to manage high-current lithium-ion power. It’s a reliable option for users who need sustained energy and consistent performance.

Applications / Uses

• 26650-compatible flashlights
• Portable power tools and equipment
• DIY electronics and custom battery assemblies
• Bench testing and evaluation projects
• Replacement batteries for compatible lithium-ion devices

Specifications

Manufacturer:	Efest
Model:	IMR26650-4200
Size:	26650
Positive Terminal:	Flat Top
Nominal Capacity:	4200mAh
Nominal Voltage:	3.7V
Maximum Voltage:	4.2V
Continuous Discharge Rating (Max):	25A Continuous, 50A Max Pulse (Rated by Efest)
Cut-off Voltage:	2.5V
Protected:	No
Rechargeable:	Yes
Approx. Dimensions:	26.5mm x 66.38mm
Approx. Weight:	88.4g

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