Laptop Battery Pros Replacement Battery for Sony Laptops: * Lithium-ion * Power: 11.1V * 9-cells * Compatible with Sony VAIO BPS9, BPL9, BPS10, VGN-AR41E, VAIO VGN-AR41L, VAIO VGN-AR41M, VAIO VGN-AR47G and VAIO VGN-AR49G laptops * Color: Black