3000mAh 21700-30S high-rate power lithium battery


**3000 mAh capacity, 3.6 V voltage, 10.5 mΩ internal resistance**, 6 A charging / 40 A high‑rate discharge, ≤68.0 g, NCM/NCA ternary chemistry, Changhong Sanjie 21700 high‑rate battery cell, optimized for high‑power applications with excellent cycle life.

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 21700-30S is a high‑rate, 21700‑format cell based on an NCM/NCA ternary chemistry. Its key advantages include 40 A high‑rate discharge capability, a 3,000 mAh capacity, a stable 3.6 V nominal voltage, an internal resistance of 10.5 mΩ, and 6 A charging. It is well suited for high‑power applications such as power tools and drones. The cell employs a high‑nickel NCM ternary cathode material and a high‑conductivity electrolyte, with an optimized electrode design that enhances rate performance. Production utilizes a fully automated line, ensuring stringent control over cell assembly accuracy, and incorporates multiple built-in safety features. Each cell undergoes 100% full inspection and passes rigorous safety testing. Its core competitive edge lies in balancing high rate capability with exceptional stability: after 500 cycles, the capacity retention exceeds 80%, and its weight of ≤68.0 g makes it ideal for 21700‑compatible devices. The cell also delivers excellent low‑temperature performance, supporting applications across power tools, drones, portable energy storage, and more. OEM/ODM customization is available, along with end-to-end technical support.