VSKA1066 Features: * Safe lithium-ion technology * Smart technology communicates accurate information to the computer * No memory-effect * Overcharge protection built in * 6 Cells * Provides 5200mAh of capacity * Lithium-ion rechargeable * Replaces the following TOSHIBA part numbers: PA3399U, PA3399U-1BRS, PA3399U-2BRS, PABAS076 * Fits the following TOSHIBA models: TOSHIBA SATELLITE A100-ST8211, TOSHIBA SATELLITE A105-S4XXX, TOSHIBA SATELLITE M40-S4111TD, TOSHIBA SATELLITE M40-S4112TD, TOSHIBA SATELLITE M40-S417TD, TOSHIBA SATELLITE M45-S265, TOSHIBA SATELLITE M45-S2651, TOSHIBA SA