4 Cell Battery for Acer Aspire V5 AL12A31 AL12A32 AL12A72 notebookThis brand new Acer replacement notebook battery features lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This notebook battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 year warranty.Brand: Voltage: Battery Capacity: Battery Type: Cell Origin: Color: Assembly Origin: Warranty: Guarantee: Useful Life: XTend replacement computer battery 14.8 Volts - also compatible with 14.4 Volt systems 2500 mAh, 37 Whr4 Cell Li-ion Samsung (South Korea) Black Assembled in China 2 Year Warranty 30 day full satisfaction guarantee 300-500 recharge cycles You can expect up to 5 hours of run time with this computer battery when new, depending on your energy use. Like all Li-ion primary batteries, your run time will decline over time.This battery replaces the Acer Aspire V5 series netbook batteries as well as the Aspire MS2361 modelsReplaces these many Acer V5 netbook battery part numbers:AL12A32AL12A31AL12A724UR16650-1-T0877NP.BTP11.004Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.