SOBPL9-12BK - 12 cells - Laptop Battery For Sony Vaio PCG VGN-AR VGN-NR VGN-SZ VGN-CR Series P/N's: VGP-BPS10 VGP-BPS9 VGP-BPS9A/B VGP-BPS9/B VGP-BPS9/S VGP-BPL9 (8800mAh)