Laptop Battery for Acer Aspire One A110, A150, AOA110 AOA150 ZG5 Series, UM08A31, UM08A51, UM08A71, UM08A72, UM08A73, UM08A74, UM08B31, UM08B71, UM08B72, UM08B73, UM08B74 (White, 3 cells) Replacement Laptop Battery for Acer Aspire One A110, A110L, A110X, A150, A150L, A150X, AOA110, AOA150, ZG5, 8GB 8.9" Laptop Series. Compatible Part Numbers: UM08A31, UM08A51, UM08A71, UM08A72, UM08A73, UM08A74, UM08B31, UM08B71, UM08B72, UM08B73, UM08B74, LC.BTP00.017, LC.BTP00.018, 934T2780F. Li-ion, 11.1V, 2400mAh, White, 3 Cells. Brand new, one year warranty!