5800mAh 21700-58E ultra-high-capacity lithium battery

**5800 mAh ultra-high capacity, 3.6 V voltage, 12.0 mΩ internal resistance**, 6 A charging / 20 A discharging, ≤75.0 g, NCM/NCA ternary chemistry, Changhong Sanjie’s top‑tier high‑capacity cells, optimized for ultra‑long‑life applications, safe and stable.

Product Features

High charge–discharge rates: Designed for the most demanding professional power‑tool and other application scenarios, it can deliver ultra‑high discharge rates of up to 10–15C and support charging rates exceeding 2C.

Ultra-wide temperature performance: The battery can discharge at an ultra-low temperature of −40°C and operate at a high temperature of up to 80°C, while also delivering high‑rate discharge capability at low temperatures.

High Consistency: Produced on an intelligent manufacturing line, with end-to-end digitalization and high-precision control across all process steps, ensuring superior consistency and enhanced safety.

High Security: A fully integrated information system (CRM, PLM, SRM, MES, ERP) ensures high security.

产品分类：

Cylindrical lithium battery

21700

Keywords:

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5800mAh 21700-58E ultra-high-capacity lithium battery
5800mAh 21700-58E ultra-high-capacity lithium battery
5800mAh 21700-58E ultra-high-capacity lithium battery
5800mAh 21700-58E ultra-high-capacity lithium battery

The 21700-58E is an ultra‑high‑capacity cell in the 21700 format, based on an NCM/NCA ternary chemistry. Its key advantages include a top‑tier capacity of 5,800 mAh, a stable 3.6 V nominal voltage, an internal resistance of 12.0 mΩ, and support for 6 A charging and 20 A discharging. Designed to deliver exceptionally long endurance, it is ideally suited for high‑end energy storage systems and large portable devices. The cell employs a high‑energy‑density, high‑nickel NCM ternary cathode material, with optimized electrode thickness and porosity to maximize capacity. Production utilizes industry‑leading manufacturing processes, with end‑to‑end quality control ensuring consistent performance and robust sealing. Each cell undergoes 100% full inspection and passes rigorous cycling and safety tests, guaranteeing reliable long‑term operation. Its core competitive edge lies in its industry‑leading capacity within this form factor, coupled with outstanding cycle life—retaining over 80% of its initial capacity after 500 cycles—and weighing no more than 75.0 g, making it compatible with 21700‑size applications. It also exhibits excellent low‑temperature performance. Applications span high‑end energy storage, large portable power supplies, and electric‑powered devices, with customizable solutions available to meet overseas demand for premium, long‑duration battery solutions.