Far East Battery Manuals

Far East Battery 21700-5000mAh Lithium-ion Cell Specification

This document details the technical specifications for Far East Battery’s 21700-5000mAh lithium-ion rechargeable cell. It covers nominal capacity, voltage, internal resistance, charge/discharge currents, temperature ranges, and performance metrics such as cycle life and storage characteristics. The cell is designed for applications requiring high energy density and reliable performance across a wide temperature range.

The document also outlines testing conditions, measurement equipment requirements, and safety guidelines for charger and battery pack design. It includes performance data for different discharge rates, temperature-dependent efficiency, and long-term storage behavior under both standard and elevated temperatures. This manual is written in Chinese.

Covers: Preface · Cell type, Barcode, Color · Nominal Specification · Technical requirements · Cell safety criterion · The restriction for the use of hazardous substances