7.5V, 6250mAh, Li-Polymer Battery fits Acer, Aspire S7-391-6822, Aspire S7-392, 46.875WhBattery Fits Models: Aspire S7 391 6822, Aspire S7 392, Aspire S7 392 Ultrabook, Aspire S7 392 54208g12tws, Aspire S7 392 54208g25tws, Aspire S7 392 5427, Aspire S7 392 5626, Aspire S7 392 6402, Aspire S7 392 6411, Aspire S7 392 6832, Aspire S7 392 74508g25tws, Aspire S7 392 7836, Aspire S7 392 9404, Aspire S7 392 9460, Aspire S7 392 9877, Aspire S7 392 9890, Aspire S7 393, Aspire S7 393 55204g25ews, Aspire S7 393 55208g25ews, Aspire S7 393 5853,