we are manufacturer for replacement battery for laptop, the battery for different brand, such as DELL, Toshiba, HP, ASUS, SAMSUNG, IBM, ACER and so on many kinds battery, as a factory we requires serious quality control systern, and we use best materia to produce them, for example, we use standard original cell A+ grade 2200mAh, be sure of all battery enough of capacity, and we use best PVC mateira package for battery cover, and high quality PCB board and cables, and so on, about the quality ,we promise 18months guaranty. About the rpcies, we offer competitive prices to every customers,be sure the prices are lowest here now, as a factory ,we just sell with quantities with lower profit,and let much more profit to our customers. About after selling service, we offer 24/7service to our customers, to deal with all questiones on after selling. we accept OEM/ ODM , becasue we have more than 10 engineers at our factory to develop the programme on battery! it's a strong team!