Specifications: Capacity: 4400mAh Chemistry: Li-ion Voltage: 11.1 Cell: 6 cells Compatible Models: ACER Acer Extensa 5230, Acer Extensa 5230E, Acer Extensa 5420, Acer Extensa 5430, Acer Extensa 5610, Acer Extensa 5620, Acer Extensa 5630EZ, Acer Extensa 5630Z, Acer Extensa 5630ZG, Acer Extensa 7620Z, Acer TravelMate 6552, Acer TravelMate 7520-502G25Mn, Acer TravelMate 7720G-702G50Mn, Acer TravelMate TM5730-662G25Mn Acer Extensa 5420G Series, Acer Extensa 5620G Series, Acer Extensa 5630 Series Acer Extensa 5210 Series Extensa 5210-300508 Acer Extensa 5220 Series Extensa 5220-051G08Mi, Extensa 5220-100508, Extensa 5220-100508Mi, Extensa 5220-101G08Mi, Extensa 5220-1A1G12, Extensa 5220-1A1G16, Extensa 5220-200508, Extensa 5220-201G08, Extensa 5220-201G12Mi, Extensa 5220-301G12 Acer Extensa 5235 Series Extensa 5235, Extensa 5235-302G25Mn, Extensa 5235-312G25Mn, Extensa 5235-901G16Mn, Extensa 5235-902G16Mn, Extensa 5635-652G25Mn, Extensa 5635-654G50Mn, Extensa 5635-663G32Mn Acer Extensa 5620Z Series Extensa 5620Z-1A2G08Mi, Extensa 5620Z-1A2G12Mi, Extensa 5620Z-2A1G08Mi, Extensa 5620Z-2A1G16, Extensa 5620Z-2A2G08Mi, Extensa 5620Z-3A1G16, Extensa 5620Z-4A1G16, Extensa 5620Z-4A2G16 Acer Extensa 5635G Series Extensa 5635G-654G64Mn, Extensa 5635G-664G32Mn Acer Extensa 5635Z Series Extensa 5635Z, Extensa 5635Z-451G16Mnkk, Extensa 5635Z-4686 Acer TravelMate 5330 Series TravelMate 5330, TravelMate 5330-332G16MN, TravelMate 5330-902G25Mn Acer TravelMate 5520 Series TravelMate 5520-501G12Mi, TravelMate 5520-502G16Mi Acer TravelMate 5730 Series TravelMate 5730 3G, TravelMate 5730-662G25Mn, TravelMate 5730-662G32Mn,TravelMate 5730-663G32Mn Acer TravelMate TM5330 Series TravelMate TM5330-332G16Mn, TravelMate TM5330-902G25M Please carefully check your battery's Compatible Model

battery picture to ensure compatibility with your Laptop. What's in the box 1 x Replacement laptop battery for acer