KSTAR Battery products mainly include the GFM series of valve-regulated sealed lead-acid batteries, the GFMHR high-rate battery series, and the FML medium-density battery series.

GFM Series Valve-Regulated Sealed Lead-Acid Batteries
The GFM series of valve-regulated sealed lead-acid batteries is one of KSTAR's star products, ranking first among domestic brands in the Chinese mainland market for 11 consecutive years. This series features patented safety valves and battery trays, which automatically regulate internal pressure, isolate external contamination, prevent acid mist leakage, and ensure stable operation under extreme conditions. With a design life of up to 20 years, it adapts to extreme environments ranging from -20°C to 50°C, supports multiple installation orientations (vertical or horizontal), and offers maintenance-free and explosion-proof design features.
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GFMHR High-Rate Battery Series
The GFMHR high-rate battery series has a design float service life of up to 10 years and is suitable for applications such as data centers and UPS. This series employs unique gas recombination technology, eliminating the need for regular fluid maintenance. Its high-reliability design includes VRLA automatic safety valves and anti-slip, acid-resistant safety trays, ensuring a high level of safety and reliability. In environments of 20-25°C, it meets high-power discharge requirements within 15 minutes.
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FML Medium-Density Battery Series
The FML medium-density battery series redefines the technical boundaries of industrial energy storage foundations with its core features: medium-density plate technology, full lifecycle health management, and industrial-grade structural protection. This series offers long cycle life and safe stability, making it suitable for various applications.