This is a genuine ASUS A32N1405 Battery with a battery capacity of 56WH. It is compatible with ASUS laptops such as the G551, G771 series, and other brands like HP ProBook. The battery is made of Li-ion material and comes with six battery cells. Furthermore, the battery has a voltage of 10.8V and a unit quantity of one. It is a unit type and was manufactured in China. This battery has no California Prop 65 Warning and no manufacturer warranty. Buy this OEM ASUS laptop battery for long-lasting power supply and uninterrupted workflow.