Kung Long Batteries Industrial Co., Ltd. manufactures and sells lead-acid batteries primarily for backup power, security, data centers, telecommunications, deep-cycle applications, renewable energy, solar energy, electric vehicles, multipurpose uses, boats and campers; the company offers valve-regulated lead-acid (VRLA) batteries under its LONG brand, including series such as PXL and WXL for high-capacity UPS systems, high-temperature (HTP) variants, electronic sealed batteries, locomotive sealed batteries and traditional motorcycle batteries. Founded in 1990 and headquartered in Nantou City, Taiwan, the Taiwan-listed company (1537.TW) operates production facilities in Taiwan and two modern plants in Vietnam's Ben Luc and Duc Hoa Districts, serving customers in Oceania, Asia, Europe, the Middle East, North America, Africa and South America with certifications including ISO9001, ISO14001, UL and VdS. Recent developments include its Vietnamese subsidiary Le Long ranking 297th in Vietnam's VNR500 in 2024, the LONG brand recognized among the top 100 ASEAN famous brands in 2024, awards such as the 2025 Potential Mid-Level Enterprise-Popular Rising Star and 2025 D&B Taiwan SME Elite Sustainable Excellence, and participation in the 2025 Yushan Financial Holdings ESG Sustainability Initiative.