2200mAh 18650-22R long-cycle lithium battery


**2200 mAh high capacity, 3.6 V nominal voltage, 15.0 mΩ internal resistance**, 2.2 A charging / 20 A discharging, lightweight at ≤45.5 g, NCM/NCA ternary chemistry, Changhong Sanjie long-life cells, suitable for long‑cycle applications such as energy storage and consumer electronics, with excellent cycle life and outstanding safety and stability.

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.


Keywords:

The 18650‑22R is a long‑life cell based on an NCM/NCA ternary chemistry, with key advantages including exceptionally long cycle life and a high capacity of 2,200 mAh. It delivers a stable 3.6 V nominal voltage and an internal resistance of 15.0 mΩ, enabling 2.2 A charging and 20 A discharging. It is well suited for long‑duration applications such as portable energy storage and smart home systems. The cell employs a highly stable NCM ternary cathode material and an optimized SEI‑formation process, significantly enhancing cycle performance. Manufacturing utilizes high‑precision coating and fully automated winding, with end‑to‑end quality control to ensure consistent cell-to‑cell uniformity. Each unit undergoes 100% full inspection and passes a 1,000‑cycle endurance test, maintaining over 80% of its initial capacity. Weighing no more than 45.5 g, the product features a lightweight design that accommodates a wide range of devices. It also exhibits excellent low‑temperature performance, making it ideal for applications in energy storage, consumer electronics, power tools, and more. OEM/ODM customization is available, and comprehensive lifecycle technical support is provided to meet the demands of overseas long‑life use cases.