Toshiba PA3537U-1BAS Battery. This is a 10.8 Volt 6600.00 mAh, Li-Ion Battery. Dimensions: 8.17 x 2.89 x 0.81. This battery delivers 9% more power than the original. Comes with 12 months warranty and 30 day money back guarantee on Toshiba PA3537U-1BAS Ba