GH 4.25V 21000F Supercapacitor is a high-performance energy storage solution designed for precision instruments and advanced power systems. Featuring an ultra-high capacitance of 21000F, this graphene-based supercapacitor delivers exceptional energy density, rapid charge/discharge capabilities within 30 minutes, and a long operational lifespan. With a low ESR of 1mΩ and a wide operating temperature range (-20°C to +65°C), it ensures reliable performance in demanding environments. Ideal for applications in renewable energy systems, industrial automation, and backup power supplies, this supercapacitor offers high safety, minimal maintenance, and RoHS/CE/ISO9001 compliance for global market use.More