SHEN ZHEN YUNDA CENTURY ELECTRONIC Co., LTD Is a professional manufacturer dedicated to producing high and stable quality laptop batteries for replacement. With an independent R&D group, an advanced manufacturing factory, a professional sales team and an excellent after-sales service group, our company is a full-service vendor with complete development, production, sales and service capabilities. Our laptop batteries own perfect over-charge, over-discharge, over-temperature and other basic protection functions and double-protection performance. Our replacement batteries are completely compatible with products of famous brands such as HP, DELL, ACER, TOSHIBA, LENOVO (IBM), FUJITSU, SONY, APPLE, ASUS, SAMSUNG, etc. Our products have passed CE & RoHS certifications. The product performance is stable, secure and reliable. With the support of a powerful R&D group, we can launch 15 new models each month. We also provide value-added services such as brand design, package box design, sticker design and production for our customers.