11,1V (compatible 10.8V) 4400mAh .Li-Ion, generic, compatible . Part Number (P/N): 3UR18650F-2-QC-11, 90-NFV6B1000Z, 90-NFY6B1000Z, 90-NI11B1000, 90-NIA1B1000, 90NITLILD4SU, 90NITLILD4SU1, A32-Z94, A32-Z96, A33-F3, S9N-0362210-CE1 , SQU-524 , 3UR18650F-2-QC-11,90-NE51B2000,90-NFV6B1000Z,90-NFY6B1000Z,90-NI11B1000, 90-NIA1B1000, 90NITLILD4SU1, A32-F2, A32-F3, SQU-503, SQU-528, BATEL80L6, S9N-0362210-CE1, 916C5080F, A42-A9, 90-NI11B1000, 90-NIFY6B1000Z, BATEL80L6, 90NITLILD4SU1, 906C5040F, 90NITLILG2SU1, 906C5050F, 908C3500F, 90-NFY6B1000, 90NFV6B1000Z, 90-NFY6B1000Z, BATFT10L61, BATEL80L9 , 70-NX01B1000Z, 70-NXH1B1000Z, 70-NZY1B1000Z, 70-NZYB1000Z, A32-N71 , A32-K72 , A32-F3