sony-vaio-laptop-battery-4400mah-pcg-6c1n-vgn-ar21b
 "Replacement 4400mAh Laptop Battery VGP-BPL2C for SONY VAIO PCG-6C1N VGN-AR21B")
 "Replacement 4400mAh Laptop Battery VGP-BPL2C for SONY VAIO PCG-6C1N VGN-AR21B")
 "Replacement 4400mAh Laptop Battery VGP-BPL2C for SONY VAIO PCG-6C1N VGN-AR21B")