Replacement Laptop Battery for Sony Vaio VGP-BPS21 VGP-BPS13 VGP-BPS13A VGP-BPS13A/B (10pc)

Laptop Battery replacement for Sony Vaio VGP-BPS21A VGP-BPS13 S VGP-BPS13 Q VGP-BPS13 VGP-BPS13A B VGP-BPL21 VGP-BPS13B S VGP-BPS21B VGP-BPS21 VGP-BPS13A S [6 Cells/4400mAh/11.1V] Black. Specifications: Attention: For the new battery, we suggest all of our customers fully charge it by AC power adapter. Maybe it take a long period, the capacity was strain out by inner PCB circuit. In order to protect your battery life, you can fully charge it to 100% and drain to 2% ,it's a cycle and the capacity will recover. it's better to make normal use after 2 cycles and charge the battery regularly at least once a month. Battery Type: Li-ion Voltage: 11.1V; Capacity: 4400mAh; Cells: 6-cell Color: Black; 100% Brand New Cells. Rechargeable Up to 500 cycls over life of battery; High energy efficiency and extended battery life. Compatible with the following models:Vaio FW, Vaio SR, Vaio VGN-AW11M/H, Vaio VGN-AW11S/B, Vaio VGN-AW11XU/Q, Vaio VGN-AW11Z/B, Vaio VGN-AW170C, Vaio VGN-AW19, Vaio VGN-AW19/