Gateway NV54 Laptop Battery (Replacement) Battery type: Li-ion; Capacity: 56Wh; Cells:6-cell; Voltage: 10.8V;Capacity:5200mah. High quality grade "A" cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles.All products are Certified by CE ROHS UL1642 FCC for safety. Operation time for standard batteries(6-cell 5200mah): Around 1-2 hours the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support 12-month service. Compatible Models: For ACER Series 4732Z-432G25MN 4732Z-431G16Mn 5332-312G32Mn 5516-5063 5516-5128 5516-5196 5516-5474 5516-5640 5517-1127 5517-5078 5517-5086 5517-5136 5517-5535 5517-5700 Aspire 4732 Aspire 4732Z Aspire 4732Z-452G32Mnbs Aspire 5332 Aspire 5334 Aspire 5516 Aspire 5517 Aspire 5517-1208 Aspire 5517-1216 Aspire 5517-1502 replacement notebook laptop battery batteries 12-months hassle-free warranty service. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.