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High-capacity 2.7 V battery for high-power industrial applications

Jun 22,2026

2.7 V supercapacitor series, with capacitance ranging from 1 F to 3400 F, is specifically designed for heavy‑duty applications requiring high‑current pulses. These capacitors can power engine start‑stop systems, regenerative braking, and factory automation systems, delivering currents of several hundred amperes with extremely low internal resistance.

In high‑current applications, 2.7 V cells are the workhorse. Cells ranging from 1 F to 500 F are well suited for small power tools and portable welders, while those from 1,500 F to 3,400 F meet the demands of mild‑hybrid vehicles and bus regenerative braking systems. Their ultra‑low equivalent series resistance (ESR) ensures rapid charge–discharge rates, minimal heat generation, and stable cycling over 500,000 cycles. Automated winding and impregnation processes guarantee consistent performance across batches. Moreover, these cells can be deployed in industrial cranes and robotics to shave peak loads and smooth power demand, thereby reducing strain on grid‑connection points. With ongoing advances in materials—such as advanced activated carbon and hybrid electrolytes—energy density is steadily increasing, enhancing their competitiveness in short‑duration, high‑power applications and positioning them to vie more aggressively with batteries.

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Chengdu Hejia Polymer Materials Co., Ltd.

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