Sony Genuine Brand VGP-BPS21 VGP-BPS21A 6 cell battery for VGN-F NW NS CW AW BZ and SR series Laptop Battery also Replaces VPC-CW VPC-F VPC-S VPC-Y Series computer batteries
SellZone Replacement Laptop Battery for Sony VAIO VGP-BPS21B : Amazon.in: Computers & Accessories
Battery for Sony Vaio VGP-BPS13 VGP-BPS13B/Q VGP-BPS21 VGP-BPS21A VGP-BPS21B | eBay
Laptop battery For SONY Vaio BPS13/B VGP BPS13/Q VGP BPS13B/B BPS21B/B BPS21 GN AW VGN CS VGN FW VGN NS VGN NW|laptop battery for sony|laptop batterybattery for sony vaio - AliExpress