This Acer One replacement laptop battery features Li-ion chemistry within its cells. Li-ion battery technology provides longer run times with less weight. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty. This is a extended run 6 cell battery rated at 4400 mAh capacity which will rum twice as long as the standard 3 cell battery. The additional cells make the battery casing larger than the original battery and it will protrude from the laptop as it is twice the thickness of the original. It weighs about 8 ounces. It has a black exterior shell to match the laptop case. Fits the Acer One line of laptops. Also available in white. (see part number ACE-1W) Compatible with Acer Laptop battery part numbers:

UM08A31,UM08A51,UM08A71,UM08A72,UM08A73, UM08A74, UM08B31, UM08B71, UM08B72, UM08B73, UM08B74, LC.BTP00.017, LC.BTP00.018, 934T2780F, UM08B51, UM08B52