-40℃ low-temperature 3000mAh 18650-30L lithium battery


**-40°C low-temperature compatibility, 3,000 mAh capacity, 3.6 V voltage**, with an internal resistance of ≤17.0 mΩ, supporting 3 A charging and 10 A discharging, weighing as little as ≤49.0 g, featuring an NCM/NCA ternary chemistry, and equipped with Changhong Sanjie’s high-capacity, low-temperature‑optimized cells—designed for cold‑weather applications while delivering safe and stable performance.

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 18650‑30L is a low‑temperature, high‑capacity cell based on an NCM/NCA ternary chemistry. Its key advantages include exceptional low‑temperature performance down to –40°C and a large 3,000 mAh capacity, with a stable 3.6 V nominal voltage and an internal resistance of 17.0 mΩ. It supports 3 A charging and 10 A discharging, making it ideal for long‑life applications in cold‑environment outdoor settings and cold‑chain logistics. The cell employs a low‑temperature‑optimized NCM ternary cathode material and a dedicated electrolyte formulation, enhancing both low‑temperature discharge performance and cycle life. Production utilizes a specialized low‑temperature manufacturing process, with end‑to‑end quality control to ensure consistent cell-to‑cell uniformity. Each unit undergoes 100% full inspection and passes rigorous low‑temperature environmental testing, guaranteeing reliable operation under extreme cold conditions. Its core competitive edge lies in balancing superior low‑temperature performance with high energy density: it delivers stable discharge even at –40°C, maintains over 80% of its initial capacity after 500 cycles, and weighs as little as 49.0 g, enabling lightweight integration into outdoor devices. Applications span low‑temperature energy storage, outdoor electronic equipment, cold‑chain monitoring, and more. OEM/ODM customization is available, backed by expert technical support.