BND Laptop Battery [with Samsung Cells] for Asus UL80JT UL30A UL30V U30JC UL50 UL50V UL80 UL80V UL80VL UL80J, fits P/N A42-UL50 A42-UL30-24 Months Warranty [8-Cell 5200mAh/77Wh] Battery type: Li-ion; Cells: 8-cell; Capacity:5200mAh / 77Wh; Voltage: 14.8V Equipped with Samsung grade A cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles. Compatible Models: Asus UL80JT UL30A UL30V U30JC UL50 UL50V UL80 UL80V UL80VL UL80J etc. Compatible Part Numbers: A31-UL30 / A31-UL50 / A31-UL80 / A32-UL30 / A32-UL50 / A32-UL80 / A41-UL30 / A41-UL50 / A41-UL80 / A42-UL30 / A42-UL50 / A42-UL80 / A32-UL5 / 90-NWT3B3000Y 24 months hassle-free warranty service.We provide best prices possible on the highest quality products and the most popular brands. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.