Susing Technology (HK) Limited is a professional manufacturer dedicated to producing high quality laptop replacement batteries and Portable Power packs. All our products have perfect over-charge, over-discharge and over-temperature protection functions and double protection performance. There are 7 engineers in our R&D team. We are committed to product development. We have 200 workers and we can ensure stable supply and product quality. Our company integrates development, production, sale and service. Our products are 100% new and are compatible with APPLE, HP, DELL, ACER, TOSHIBA, LENOVO (IBM), FUJITSU, SONY, APPLE, ASUS and SAMSUNG. Guarantee period: 1 Year Monthly production capacity: 40000pcs In stock: 8000pcs Certifications: CE, FC, UL, RoHS and ISO9002 We monthly develop 5 -10 pieces of new products. We also provide brand design, package box design, sticker design and production and other value-added services for our customers.