Shanghai xiendi battery co., Ltd. is the United States West Prof EndY technology co., Ltd. and Shanghai power transmission and distribution co., Ltd. joint venture specializing in the production of valve-regulated lead-acid battery manufacturers. the company is a famous brand LIBERTYTM lead-acid batteries (formerly DYNASTY Hercules) the only manufacturer in China.

1999 United States C&D to buy United States Johnson (Johnson Controls) DYNASTY departments under it, including Shanghai Johnson battery co., Ltd. 67% shares. companies in innovative technology, high quality of production, effective distribution channels and a reliable after-sales service, is the industry leader.

2000, xiendi from battery quality control, and products development and market promotion, long-term of policy development angle considered, while to further played products of powerful advantage, and in communications, and does not continuous power, and power, related industry in the made leaps of development, to decided in China this important market Shang, will its two a original of brand "DYNASTY vigorously God" and the "LIBERTY" unified for LIBERTYTM。 after the reunification of the brand, with the exception of battery packaging printing unified LIBERTYTM, user xiendi easy battery brands in the industry, a product in terms of design, quality, to post-sale service pledge, and brand in front of (the former DYNASTY Hercules)-produced by exactly the same, and maintain stringent standards. 

Shanghai xiendi as LIBERTYTM the important production base of the pool, the products are exported in large numbers around the world. and LUCENT, APC-MGE, EMERSON, KEHUA, KSTAR and other well-known international and domestic famous companies to establish close cooperation.

in the past few years, in the concerted efforts of all staff and customer support, Shanghai xiendi has been made impressive sales performance, companies from taking into account long-term strategic development, at the same time in order to meet the growing global market demand, further expanding the product power, decided to increase the scale of investment in Shanghai, the establishment of new factories. new plants from the original spark development zone of Pudong's North moved to the now CAI, in March 2007 and put into operation and use. the urban area 40 km to spark development zone, officers attached to the Pudong New District, Shanghai, is one of the focus zone, Shanghai.

xiendi new plant in Shanghai with a total investment of more than $ 50 million, covering an area of 72,000 square meters, construction area of 32,000 square meters, is twice of the original old times, the main factory building with light steel structure, investment 5 valve-regulated lead-acid battery production line design output reached 1.5 million batteries per year, and set aside a 2V battery production line to meet the United States long term sales Development Corporation.